java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test15_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 14:46:47,813 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 14:46:47,815 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 14:46:47,831 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 14:46:47,831 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 14:46:47,832 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 14:46:47,833 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 14:46:47,835 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 14:46:47,837 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 14:46:47,838 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 14:46:47,839 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 14:46:47,839 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 14:46:47,840 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 14:46:47,841 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 14:46:47,842 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 14:46:47,845 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 14:46:47,847 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 14:46:47,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 14:46:47,851 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 14:46:47,852 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 14:46:47,855 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-23 14:46:47,855 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-23 14:46:47,855 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-23 14:46:47,856 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-23 14:46:47,857 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-23 14:46:47,859 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-23 14:46:47,859 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-23 14:46:47,859 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-23 14:46:47,860 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-23 14:46:47,860 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 14:46:47,861 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 14:46:47,861 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf [2018-01-23 14:46:47,869 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 14:46:47,870 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 14:46:47,870 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 14:46:47,871 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 14:46:47,871 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 14:46:47,871 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 14:46:47,871 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 14:46:47,871 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 14:46:47,872 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 14:46:47,872 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 14:46:47,872 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 14:46:47,872 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 14:46:47,872 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 14:46:47,873 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 14:46:47,873 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 14:46:47,873 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 14:46:47,873 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 14:46:47,873 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 14:46:47,873 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 14:46:47,873 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 14:46:47,873 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 14:46:47,874 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 14:46:47,874 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 14:46:47,874 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 14:46:47,874 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 14:46:47,874 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 14:46:47,875 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 14:46:47,875 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 14:46:47,875 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 14:46:47,875 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 14:46:47,875 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 14:46:47,875 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 14:46:47,875 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 14:46:47,875 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 14:46:47,876 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 14:46:47,876 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 14:46:47,876 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 14:46:47,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 14:46:47,921 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 14:46:47,924 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 14:46:47,926 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 14:46:47,926 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 14:46:47,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test15_false-valid-memtrack.i [2018-01-23 14:46:48,123 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 14:46:48,126 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 14:46:48,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 14:46:48,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 14:46:48,132 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 14:46:48,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:46:48" (1/1) ... [2018-01-23 14:46:48,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66067239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:46:48, skipping insertion in model container [2018-01-23 14:46:48,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:46:48" (1/1) ... [2018-01-23 14:46:48,149 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:46:48,201 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:46:48,338 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:46:48,369 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:46:48,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:46:48 WrapperNode [2018-01-23 14:46:48,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 14:46:48,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 14:46:48,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 14:46:48,384 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 14:46:48,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:46:48" (1/1) ... [2018-01-23 14:46:48,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:46:48" (1/1) ... [2018-01-23 14:46:48,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:46:48" (1/1) ... [2018-01-23 14:46:48,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:46:48" (1/1) ... [2018-01-23 14:46:48,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:46:48" (1/1) ... [2018-01-23 14:46:48,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:46:48" (1/1) ... [2018-01-23 14:46:48,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:46:48" (1/1) ... [2018-01-23 14:46:48,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 14:46:48,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 14:46:48,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 14:46:48,430 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 14:46:48,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:46:48" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 14:46:48,480 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 14:46:48,480 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 14:46:48,480 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-01-23 14:46:48,480 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-01-23 14:46:48,481 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-01-23 14:46:48,481 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-01-23 14:46:48,481 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_hid_get_drvdata [2018-01-23 14:46:48,481 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_hid_set_drvdata [2018-01-23 14:46:48,481 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_arvo_device_struct [2018-01-23 14:46:48,481 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_specials_unsafe [2018-01-23 14:46:48,482 INFO L136 BoogieDeclarations]: Found implementation of procedure lvd_arvo_remove_specials [2018-01-23 14:46:48,482 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_probe_unsafe [2018-01-23 14:46:48,482 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_remove [2018-01-23 14:46:48,482 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-23 14:46:48,482 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 14:46:48,483 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-23 14:46:48,483 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-23 14:46:48,483 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-23 14:46:48,483 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-23 14:46:48,483 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 14:46:48,483 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 14:46:48,484 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 14:46:48,484 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-01-23 14:46:48,484 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-01-23 14:46:48,484 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-01-23 14:46:48,484 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-23 14:46:48,485 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 14:46:48,485 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-01-23 14:46:48,485 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-01-23 14:46:48,485 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-01-23 14:46:48,485 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-01-23 14:46:48,485 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_hid_get_drvdata [2018-01-23 14:46:48,485 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_hid_set_drvdata [2018-01-23 14:46:48,486 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_arvo_device_struct [2018-01-23 14:46:48,486 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_specials_unsafe [2018-01-23 14:46:48,486 INFO L128 BoogieDeclarations]: Found specification of procedure lvd_arvo_remove_specials [2018-01-23 14:46:48,486 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_probe_unsafe [2018-01-23 14:46:48,486 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_remove [2018-01-23 14:46:48,486 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-23 14:46:48,487 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 14:46:48,487 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 14:46:48,487 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 14:46:48,882 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 14:46:48,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:46:48 BoogieIcfgContainer [2018-01-23 14:46:48,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 14:46:48,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-23 14:46:48,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-23 14:46:48,886 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-23 14:46:48,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 02:46:48" (1/3) ... [2018-01-23 14:46:48,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd68377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:46:48, skipping insertion in model container [2018-01-23 14:46:48,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:46:48" (2/3) ... [2018-01-23 14:46:48,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd68377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:46:48, skipping insertion in model container [2018-01-23 14:46:48,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:46:48" (3/3) ... [2018-01-23 14:46:48,890 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test15_false-valid-memtrack.i [2018-01-23 14:46:48,897 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-23 14:46:48,904 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-01-23 14:46:48,954 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:46:48,954 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:46:48,954 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:46:48,955 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:46:48,955 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:46:48,955 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:46:48,955 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:46:48,955 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-23 14:46:48,956 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:46:48,977 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-01-23 14:46:48,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-23 14:46:48,985 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:48,986 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:48,986 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-23 14:46:48,992 INFO L82 PathProgramCache]: Analyzing trace with hash -112862679, now seen corresponding path program 1 times [2018-01-23 14:46:48,994 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:48,995 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:49,051 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:49,052 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:49,052 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:49,113 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:49,312 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:46:49,312 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:46:49,314 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:46:49,328 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:46:49,329 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-23 14:46:49,331 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 6 states. [2018-01-23 14:46:49,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:49,394 INFO L93 Difference]: Finished difference Result 144 states and 156 transitions. [2018-01-23 14:46:49,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-23 14:46:49,396 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-01-23 14:46:49,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:49,407 INFO L225 Difference]: With dead ends: 144 [2018-01-23 14:46:49,407 INFO L226 Difference]: Without dead ends: 118 [2018-01-23 14:46:49,410 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-23 14:46:49,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-01-23 14:46:49,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-01-23 14:46:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-01-23 14:46:49,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 130 transitions. [2018-01-23 14:46:49,455 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 130 transitions. Word has length 22 [2018-01-23 14:46:49,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:49,457 INFO L432 AbstractCegarLoop]: Abstraction has 118 states and 130 transitions. [2018-01-23 14:46:49,457 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:46:49,457 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 130 transitions. [2018-01-23 14:46:49,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-23 14:46:49,458 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:49,458 INFO L322 BasicCegarLoop]: trace histogram [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] [2018-01-23 14:46:49,458 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-23 14:46:49,459 INFO L82 PathProgramCache]: Analyzing trace with hash -653559548, now seen corresponding path program 1 times [2018-01-23 14:46:49,459 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:49,459 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:49,460 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:49,460 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:49,460 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:49,477 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:49,521 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-01-23 14:46:49,521 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:49,521 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-01-23 14:46:49,527 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:49,582 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:49,596 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-01-23 14:46:49,618 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-23 14:46:49,618 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2018-01-23 14:46:49,619 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:46:49,619 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:46:49,619 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:46:49,620 INFO L87 Difference]: Start difference. First operand 118 states and 130 transitions. Second operand 4 states. [2018-01-23 14:46:49,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:49,657 INFO L93 Difference]: Finished difference Result 127 states and 140 transitions. [2018-01-23 14:46:49,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:46:49,657 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2018-01-23 14:46:49,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:49,658 INFO L225 Difference]: With dead ends: 127 [2018-01-23 14:46:49,658 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:46:49,659 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:46:49,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:46:49,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:46:49,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:46:49,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:46:49,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-01-23 14:46:49,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:49,660 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:46:49,660 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:46:49,660 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:46:49,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:46:49,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:46:49,726 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1533 1535) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:46:49,726 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1533 1535) no Hoare annotation was computed. [2018-01-23 14:46:49,726 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1533 1535) no Hoare annotation was computed. [2018-01-23 14:46:49,726 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1533 1535) no Hoare annotation was computed. [2018-01-23 14:46:49,727 INFO L401 ceAbstractionStarter]: For program point L1490(line 1490) no Hoare annotation was computed. [2018-01-23 14:46:49,727 INFO L401 ceAbstractionStarter]: For program point L1486'(line 1486) no Hoare annotation was computed. [2018-01-23 14:46:49,727 INFO L401 ceAbstractionStarter]: For program point L1486''(line 1486) no Hoare annotation was computed. [2018-01-23 14:46:49,727 INFO L404 ceAbstractionStarter]: At program point lvd_arvo_remove_specialsENTRY(lines 1483 1491) the Hoare annotation is: true [2018-01-23 14:46:49,727 INFO L401 ceAbstractionStarter]: For program point L1484'(line 1484) no Hoare annotation was computed. [2018-01-23 14:46:49,727 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsFINAL(lines 1483 1491) no Hoare annotation was computed. [2018-01-23 14:46:49,727 INFO L401 ceAbstractionStarter]: For program point L1486(line 1486) no Hoare annotation was computed. [2018-01-23 14:46:49,727 INFO L401 ceAbstractionStarter]: For program point L1489'(line 1489) no Hoare annotation was computed. [2018-01-23 14:46:49,727 INFO L401 ceAbstractionStarter]: For program point L1484(line 1484) no Hoare annotation was computed. [2018-01-23 14:46:49,727 INFO L404 ceAbstractionStarter]: At program point L1489(line 1489) the Hoare annotation is: true [2018-01-23 14:46:49,727 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsErr0EnsuresViolation(lines 1483 1491) no Hoare annotation was computed. [2018-01-23 14:46:49,728 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsEXIT(lines 1483 1491) no Hoare annotation was computed. [2018-01-23 14:46:49,728 INFO L401 ceAbstractionStarter]: For program point L1463'(line 1463) no Hoare annotation was computed. [2018-01-23 14:46:49,728 INFO L401 ceAbstractionStarter]: For program point L1465'(line 1465) no Hoare annotation was computed. [2018-01-23 14:46:49,728 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specials_unsafeFINAL(lines 1460 1481) no Hoare annotation was computed. [2018-01-23 14:46:49,728 INFO L404 ceAbstractionStarter]: At program point L1474(line 1474) the Hoare annotation is: true [2018-01-23 14:46:49,728 INFO L404 ceAbstractionStarter]: At program point L1472(line 1472) the Hoare annotation is: true [2018-01-23 14:46:49,728 INFO L401 ceAbstractionStarter]: For program point L1473(lines 1473 1475) no Hoare annotation was computed. [2018-01-23 14:46:49,728 INFO L401 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2018-01-23 14:46:49,728 INFO L401 ceAbstractionStarter]: For program point L1464''(line 1464) no Hoare annotation was computed. [2018-01-23 14:46:49,728 INFO L401 ceAbstractionStarter]: For program point L1464'(line 1464) no Hoare annotation was computed. [2018-01-23 14:46:49,728 INFO L401 ceAbstractionStarter]: For program point L1472'(line 1472) no Hoare annotation was computed. [2018-01-23 14:46:49,728 INFO L404 ceAbstractionStarter]: At program point L1465(line 1465) the Hoare annotation is: true [2018-01-23 14:46:49,729 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specials_unsafeEXIT(lines 1460 1481) no Hoare annotation was computed. [2018-01-23 14:46:49,729 INFO L401 ceAbstractionStarter]: For program point L1463(line 1463) no Hoare annotation was computed. [2018-01-23 14:46:49,729 INFO L401 ceAbstractionStarter]: For program point L1464(line 1464) no Hoare annotation was computed. [2018-01-23 14:46:49,729 INFO L401 ceAbstractionStarter]: For program point L1468'(line 1468) no Hoare annotation was computed. [2018-01-23 14:46:49,729 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specials_unsafeErr0EnsuresViolation(lines 1460 1481) no Hoare annotation was computed. [2018-01-23 14:46:49,729 INFO L401 ceAbstractionStarter]: For program point L1469(lines 1469 1471) no Hoare annotation was computed. [2018-01-23 14:46:49,729 INFO L404 ceAbstractionStarter]: At program point L1468(line 1468) the Hoare annotation is: true [2018-01-23 14:46:49,729 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_init_specials_unsafeENTRY(lines 1460 1481) the Hoare annotation is: true [2018-01-23 14:46:49,729 INFO L404 ceAbstractionStarter]: At program point L1505(line 1505) the Hoare annotation is: true [2018-01-23 14:46:49,729 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_removeENTRY(lines 1504 1506) the Hoare annotation is: true [2018-01-23 14:46:49,729 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeFINAL(lines 1504 1506) no Hoare annotation was computed. [2018-01-23 14:46:49,729 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeErr0EnsuresViolation(lines 1504 1506) no Hoare annotation was computed. [2018-01-23 14:46:49,730 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeEXIT(lines 1504 1506) no Hoare annotation was computed. [2018-01-23 14:46:49,730 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:49,730 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:49,730 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1535) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:46:49,730 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:49,730 INFO L404 ceAbstractionStarter]: At program point ldv_dev_set_drvdataENTRY(lines 1196 1199) the Hoare annotation is: true [2018-01-23 14:46:49,730 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataEXIT(lines 1196 1199) no Hoare annotation was computed. [2018-01-23 14:46:49,730 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataFINAL(lines 1196 1199) no Hoare annotation was computed. [2018-01-23 14:46:49,730 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataErr0EnsuresViolation(lines 1196 1199) no Hoare annotation was computed. [2018-01-23 14:46:49,730 INFO L401 ceAbstractionStarter]: For program point L1198(line 1198) no Hoare annotation was computed. [2018-01-23 14:46:49,730 INFO L404 ceAbstractionStarter]: At program point ldv_hid_set_drvdataENTRY(lines 1444 1447) the Hoare annotation is: true [2018-01-23 14:46:49,730 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataEXIT(lines 1444 1447) no Hoare annotation was computed. [2018-01-23 14:46:49,731 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataErr0EnsuresViolation(lines 1444 1447) no Hoare annotation was computed. [2018-01-23 14:46:49,731 INFO L404 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: true [2018-01-23 14:46:49,731 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataFINAL(lines 1444 1447) no Hoare annotation was computed. [2018-01-23 14:46:49,731 INFO L401 ceAbstractionStarter]: For program point L1081(line 1081) no Hoare annotation was computed. [2018-01-23 14:46:49,731 INFO L401 ceAbstractionStarter]: For program point L1081''(line 1081) no Hoare annotation was computed. [2018-01-23 14:46:49,731 INFO L401 ceAbstractionStarter]: For program point ldv_zallocEXIT(lines 1080 1082) no Hoare annotation was computed. [2018-01-23 14:46:49,731 INFO L401 ceAbstractionStarter]: For program point ldv_zallocErr0EnsuresViolation(lines 1080 1082) no Hoare annotation was computed. [2018-01-23 14:46:49,731 INFO L397 ceAbstractionStarter]: At program point L1081'(line 1081) the Hoare annotation is: (and (not (= 0 |ldv_zalloc_#t~malloc1.base|)) (not (= |#valid| |old(#valid)|))) [2018-01-23 14:46:49,731 INFO L397 ceAbstractionStarter]: At program point ldv_zallocENTRY(lines 1080 1082) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:46:49,731 INFO L401 ceAbstractionStarter]: For program point ldv_zallocFINAL(lines 1080 1082) no Hoare annotation was computed. [2018-01-23 14:46:49,731 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveFINAL(lines 1057 1061) no Hoare annotation was computed. [2018-01-23 14:46:49,731 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveErr0EnsuresViolation(lines 1057 1061) no Hoare annotation was computed. [2018-01-23 14:46:49,731 INFO L401 ceAbstractionStarter]: For program point L1059(lines 1059 1060) no Hoare annotation was computed. [2018-01-23 14:46:49,732 INFO L404 ceAbstractionStarter]: At program point ldv_nonpositiveENTRY(lines 1057 1061) the Hoare annotation is: true [2018-01-23 14:46:49,732 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveEXIT(lines 1057 1061) no Hoare annotation was computed. [2018-01-23 14:46:49,732 INFO L401 ceAbstractionStarter]: For program point L1441'(line 1441) no Hoare annotation was computed. [2018-01-23 14:46:49,732 INFO L404 ceAbstractionStarter]: At program point ldv_hid_get_drvdataENTRY(lines 1439 1442) the Hoare annotation is: true [2018-01-23 14:46:49,732 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataFINAL(lines 1439 1442) no Hoare annotation was computed. [2018-01-23 14:46:49,732 INFO L404 ceAbstractionStarter]: At program point L1441(line 1441) the Hoare annotation is: true [2018-01-23 14:46:49,732 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataErr0EnsuresViolation(lines 1439 1442) no Hoare annotation was computed. [2018-01-23 14:46:49,732 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataEXIT(lines 1439 1442) no Hoare annotation was computed. [2018-01-23 14:46:49,732 INFO L404 ceAbstractionStarter]: At program point ldv_dev_get_drvdataENTRY(lines 1191 1194) the Hoare annotation is: true [2018-01-23 14:46:49,732 INFO L401 ceAbstractionStarter]: For program point L1193(line 1193) no Hoare annotation was computed. [2018-01-23 14:46:49,732 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataEXIT(lines 1191 1194) no Hoare annotation was computed. [2018-01-23 14:46:49,732 INFO L401 ceAbstractionStarter]: For program point L1193'(line 1193) no Hoare annotation was computed. [2018-01-23 14:46:49,733 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataFINAL(lines 1191 1194) no Hoare annotation was computed. [2018-01-23 14:46:49,733 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataErr0EnsuresViolation(lines 1191 1194) no Hoare annotation was computed. [2018-01-23 14:46:49,733 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1535) the Hoare annotation is: true [2018-01-23 14:46:49,733 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:49,733 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1535) the Hoare annotation is: true [2018-01-23 14:46:49,733 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:49,733 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:49,733 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:46:49,733 INFO L401 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:46:49,733 INFO L404 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:46:49,733 INFO L401 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:46:49,733 INFO L401 ceAbstractionStarter]: For program point L1510(line 1510) no Hoare annotation was computed. [2018-01-23 14:46:49,734 INFO L401 ceAbstractionStarter]: For program point L1516'(line 1516) no Hoare annotation was computed. [2018-01-23 14:46:49,734 INFO L401 ceAbstractionStarter]: For program point L1513''(line 1513) no Hoare annotation was computed. [2018-01-23 14:46:49,734 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1508 1531) no Hoare annotation was computed. [2018-01-23 14:46:49,734 INFO L401 ceAbstractionStarter]: For program point L1516''(line 1516) no Hoare annotation was computed. [2018-01-23 14:46:49,734 INFO L401 ceAbstractionStarter]: For program point L1524'(line 1524) no Hoare annotation was computed. [2018-01-23 14:46:49,734 INFO L401 ceAbstractionStarter]: For program point L1514'(line 1514) no Hoare annotation was computed. [2018-01-23 14:46:49,734 INFO L401 ceAbstractionStarter]: For program point L1517(line 1517) no Hoare annotation was computed. [2018-01-23 14:46:49,734 INFO L401 ceAbstractionStarter]: For program point L1516(line 1516) no Hoare annotation was computed. [2018-01-23 14:46:49,734 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1508 1531) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:46:49,734 INFO L397 ceAbstractionStarter]: At program point L1513(line 1513) the Hoare annotation is: false [2018-01-23 14:46:49,734 INFO L401 ceAbstractionStarter]: For program point L1514(line 1514) no Hoare annotation was computed. [2018-01-23 14:46:49,734 INFO L397 ceAbstractionStarter]: At program point L1511(line 1511) the Hoare annotation is: false [2018-01-23 14:46:49,734 INFO L401 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2018-01-23 14:46:49,735 INFO L401 ceAbstractionStarter]: For program point L1519(line 1519) no Hoare annotation was computed. [2018-01-23 14:46:49,735 INFO L397 ceAbstractionStarter]: At program point L1520(line 1520) the Hoare annotation is: false [2018-01-23 14:46:49,735 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1508 1531) no Hoare annotation was computed. [2018-01-23 14:46:49,735 INFO L397 ceAbstractionStarter]: At program point L1517'(line 1517) the Hoare annotation is: false [2018-01-23 14:46:49,735 INFO L401 ceAbstractionStarter]: For program point L1511'(line 1511) no Hoare annotation was computed. [2018-01-23 14:46:49,735 INFO L401 ceAbstractionStarter]: For program point L1513'(line 1513) no Hoare annotation was computed. [2018-01-23 14:46:49,735 INFO L397 ceAbstractionStarter]: At program point L1528(line 1528) the Hoare annotation is: false [2018-01-23 14:46:49,735 INFO L397 ceAbstractionStarter]: At program point L1526(line 1526) the Hoare annotation is: false [2018-01-23 14:46:49,735 INFO L401 ceAbstractionStarter]: For program point L1519'(lines 1519 1521) no Hoare annotation was computed. [2018-01-23 14:46:49,735 INFO L401 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2018-01-23 14:46:49,735 INFO L401 ceAbstractionStarter]: For program point L1516'''(line 1516) no Hoare annotation was computed. [2018-01-23 14:46:49,735 INFO L397 ceAbstractionStarter]: At program point L1525(lines 1525 1526) the Hoare annotation is: false [2018-01-23 14:46:49,735 INFO L401 ceAbstractionStarter]: For program point L1523(lines 1523 1524) no Hoare annotation was computed. [2018-01-23 14:46:49,735 INFO L401 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2018-01-23 14:46:49,736 INFO L401 ceAbstractionStarter]: For program point L1454'(line 1454) no Hoare annotation was computed. [2018-01-23 14:46:49,736 INFO L401 ceAbstractionStarter]: For program point L1455'(line 1455) no Hoare annotation was computed. [2018-01-23 14:46:49,736 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_init_arvo_device_structENTRY(lines 1453 1458) the Hoare annotation is: true [2018-01-23 14:46:49,736 INFO L401 ceAbstractionStarter]: For program point L1456(line 1456) no Hoare annotation was computed. [2018-01-23 14:46:49,736 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structFINAL(lines 1453 1458) no Hoare annotation was computed. [2018-01-23 14:46:49,736 INFO L404 ceAbstractionStarter]: At program point L1457(line 1457) the Hoare annotation is: true [2018-01-23 14:46:49,736 INFO L401 ceAbstractionStarter]: For program point L1454(line 1454) no Hoare annotation was computed. [2018-01-23 14:46:49,736 INFO L401 ceAbstractionStarter]: For program point L1455(line 1455) no Hoare annotation was computed. [2018-01-23 14:46:49,736 INFO L401 ceAbstractionStarter]: For program point L1456'(line 1456) no Hoare annotation was computed. [2018-01-23 14:46:49,736 INFO L401 ceAbstractionStarter]: For program point L1457'(line 1457) no Hoare annotation was computed. [2018-01-23 14:46:49,736 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structEXIT(lines 1453 1458) no Hoare annotation was computed. [2018-01-23 14:46:49,736 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structErr0EnsuresViolation(lines 1453 1458) no Hoare annotation was computed. [2018-01-23 14:46:49,736 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_probe_unsafeENTRY(lines 1493 1502) the Hoare annotation is: true [2018-01-23 14:46:49,737 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probe_unsafeErr0EnsuresViolation(lines 1493 1502) no Hoare annotation was computed. [2018-01-23 14:46:49,737 INFO L401 ceAbstractionStarter]: For program point L1495'(line 1495) no Hoare annotation was computed. [2018-01-23 14:46:49,737 INFO L401 ceAbstractionStarter]: For program point L1496(lines 1496 1498) no Hoare annotation was computed. [2018-01-23 14:46:49,737 INFO L404 ceAbstractionStarter]: At program point L1497(line 1497) the Hoare annotation is: true [2018-01-23 14:46:49,737 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probe_unsafeFINAL(lines 1493 1502) no Hoare annotation was computed. [2018-01-23 14:46:49,737 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probe_unsafeEXIT(lines 1493 1502) no Hoare annotation was computed. [2018-01-23 14:46:49,737 INFO L404 ceAbstractionStarter]: At program point L1495(line 1495) the Hoare annotation is: true [2018-01-23 14:46:49,740 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:46:49,740 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:46:49,740 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:46:49,740 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:46:49,741 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:46:49,741 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:46:49,741 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:46:49,741 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == lvd_arvo_remove_specialsErr0EnsuresViolation======== [2018-01-23 14:46:49,741 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:46:49,743 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-01-23 14:46:49,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-01-23 14:46:49,746 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:49,747 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:49,747 INFO L371 AbstractCegarLoop]: === Iteration 1 === [lvd_arvo_remove_specialsErr0EnsuresViolation]=== [2018-01-23 14:46:49,747 INFO L82 PathProgramCache]: Analyzing trace with hash 2063323553, now seen corresponding path program 1 times [2018-01-23 14:46:49,747 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:49,747 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:49,748 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:49,749 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:49,749 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:49,775 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-01-23 14:46:49,869 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:49,870 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-01-23 14:46:49,880 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:49,976 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:49,993 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-01-23 14:46:50,019 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-23 14:46:50,020 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2018-01-23 14:46:50,020 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:46:50,021 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:46:50,021 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:46:50,021 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 4 states. [2018-01-23 14:46:50,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:50,065 INFO L93 Difference]: Finished difference Result 145 states and 159 transitions. [2018-01-23 14:46:50,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:46:50,066 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-01-23 14:46:50,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:50,066 INFO L225 Difference]: With dead ends: 145 [2018-01-23 14:46:50,066 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:46:50,067 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:46:50,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:46:50,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:46:50,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:46:50,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:46:50,068 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2018-01-23 14:46:50,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:50,069 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:46:50,069 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:46:50,069 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:46:50,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:46:50,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:46:50,149 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1533 1535) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:46:50,149 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1533 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,149 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1533 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,149 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1533 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,149 INFO L401 ceAbstractionStarter]: For program point L1490(line 1490) no Hoare annotation was computed. [2018-01-23 14:46:50,149 INFO L401 ceAbstractionStarter]: For program point L1486'(line 1486) no Hoare annotation was computed. [2018-01-23 14:46:50,149 INFO L401 ceAbstractionStarter]: For program point L1486''(line 1486) no Hoare annotation was computed. [2018-01-23 14:46:50,149 INFO L404 ceAbstractionStarter]: At program point lvd_arvo_remove_specialsENTRY(lines 1483 1491) the Hoare annotation is: true [2018-01-23 14:46:50,150 INFO L401 ceAbstractionStarter]: For program point L1484'(line 1484) no Hoare annotation was computed. [2018-01-23 14:46:50,150 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsFINAL(lines 1483 1491) no Hoare annotation was computed. [2018-01-23 14:46:50,150 INFO L401 ceAbstractionStarter]: For program point L1486(line 1486) no Hoare annotation was computed. [2018-01-23 14:46:50,150 INFO L401 ceAbstractionStarter]: For program point L1489'(line 1489) no Hoare annotation was computed. [2018-01-23 14:46:50,150 INFO L401 ceAbstractionStarter]: For program point L1484(line 1484) no Hoare annotation was computed. [2018-01-23 14:46:50,150 INFO L404 ceAbstractionStarter]: At program point L1489(line 1489) the Hoare annotation is: true [2018-01-23 14:46:50,150 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsErr0EnsuresViolation(lines 1483 1491) no Hoare annotation was computed. [2018-01-23 14:46:50,150 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsEXIT(lines 1483 1491) no Hoare annotation was computed. [2018-01-23 14:46:50,150 INFO L401 ceAbstractionStarter]: For program point L1463'(line 1463) no Hoare annotation was computed. [2018-01-23 14:46:50,150 INFO L401 ceAbstractionStarter]: For program point L1465'(line 1465) no Hoare annotation was computed. [2018-01-23 14:46:50,150 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specials_unsafeFINAL(lines 1460 1481) no Hoare annotation was computed. [2018-01-23 14:46:50,151 INFO L404 ceAbstractionStarter]: At program point L1474(line 1474) the Hoare annotation is: true [2018-01-23 14:46:50,151 INFO L404 ceAbstractionStarter]: At program point L1472(line 1472) the Hoare annotation is: true [2018-01-23 14:46:50,151 INFO L401 ceAbstractionStarter]: For program point L1473(lines 1473 1475) no Hoare annotation was computed. [2018-01-23 14:46:50,151 INFO L401 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2018-01-23 14:46:50,151 INFO L401 ceAbstractionStarter]: For program point L1464''(line 1464) no Hoare annotation was computed. [2018-01-23 14:46:50,151 INFO L401 ceAbstractionStarter]: For program point L1464'(line 1464) no Hoare annotation was computed. [2018-01-23 14:46:50,151 INFO L401 ceAbstractionStarter]: For program point L1472'(line 1472) no Hoare annotation was computed. [2018-01-23 14:46:50,151 INFO L404 ceAbstractionStarter]: At program point L1465(line 1465) the Hoare annotation is: true [2018-01-23 14:46:50,152 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specials_unsafeEXIT(lines 1460 1481) no Hoare annotation was computed. [2018-01-23 14:46:50,152 INFO L401 ceAbstractionStarter]: For program point L1463(line 1463) no Hoare annotation was computed. [2018-01-23 14:46:50,152 INFO L401 ceAbstractionStarter]: For program point L1464(line 1464) no Hoare annotation was computed. [2018-01-23 14:46:50,152 INFO L401 ceAbstractionStarter]: For program point L1468'(line 1468) no Hoare annotation was computed. [2018-01-23 14:46:50,152 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specials_unsafeErr0EnsuresViolation(lines 1460 1481) no Hoare annotation was computed. [2018-01-23 14:46:50,152 INFO L401 ceAbstractionStarter]: For program point L1469(lines 1469 1471) no Hoare annotation was computed. [2018-01-23 14:46:50,152 INFO L404 ceAbstractionStarter]: At program point L1468(line 1468) the Hoare annotation is: true [2018-01-23 14:46:50,152 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_init_specials_unsafeENTRY(lines 1460 1481) the Hoare annotation is: true [2018-01-23 14:46:50,152 INFO L404 ceAbstractionStarter]: At program point L1505(line 1505) the Hoare annotation is: true [2018-01-23 14:46:50,152 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_removeENTRY(lines 1504 1506) the Hoare annotation is: true [2018-01-23 14:46:50,152 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeFINAL(lines 1504 1506) no Hoare annotation was computed. [2018-01-23 14:46:50,153 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeErr0EnsuresViolation(lines 1504 1506) no Hoare annotation was computed. [2018-01-23 14:46:50,153 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeEXIT(lines 1504 1506) no Hoare annotation was computed. [2018-01-23 14:46:50,153 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,153 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,153 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1535) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:46:50,153 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,153 INFO L404 ceAbstractionStarter]: At program point ldv_dev_set_drvdataENTRY(lines 1196 1199) the Hoare annotation is: true [2018-01-23 14:46:50,153 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataEXIT(lines 1196 1199) no Hoare annotation was computed. [2018-01-23 14:46:50,154 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataFINAL(lines 1196 1199) no Hoare annotation was computed. [2018-01-23 14:46:50,154 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataErr0EnsuresViolation(lines 1196 1199) no Hoare annotation was computed. [2018-01-23 14:46:50,154 INFO L401 ceAbstractionStarter]: For program point L1198(line 1198) no Hoare annotation was computed. [2018-01-23 14:46:50,154 INFO L404 ceAbstractionStarter]: At program point ldv_hid_set_drvdataENTRY(lines 1444 1447) the Hoare annotation is: true [2018-01-23 14:46:50,154 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataEXIT(lines 1444 1447) no Hoare annotation was computed. [2018-01-23 14:46:50,154 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataErr0EnsuresViolation(lines 1444 1447) no Hoare annotation was computed. [2018-01-23 14:46:50,154 INFO L404 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: true [2018-01-23 14:46:50,155 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataFINAL(lines 1444 1447) no Hoare annotation was computed. [2018-01-23 14:46:50,155 INFO L401 ceAbstractionStarter]: For program point L1081(line 1081) no Hoare annotation was computed. [2018-01-23 14:46:50,155 INFO L401 ceAbstractionStarter]: For program point L1081''(line 1081) no Hoare annotation was computed. [2018-01-23 14:46:50,155 INFO L401 ceAbstractionStarter]: For program point ldv_zallocEXIT(lines 1080 1082) no Hoare annotation was computed. [2018-01-23 14:46:50,155 INFO L401 ceAbstractionStarter]: For program point ldv_zallocErr0EnsuresViolation(lines 1080 1082) no Hoare annotation was computed. [2018-01-23 14:46:50,155 INFO L397 ceAbstractionStarter]: At program point L1081'(line 1081) the Hoare annotation is: (and (not (= 0 |ldv_zalloc_#t~malloc1.base|)) (not (= |#valid| |old(#valid)|))) [2018-01-23 14:46:50,155 INFO L397 ceAbstractionStarter]: At program point ldv_zallocENTRY(lines 1080 1082) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:46:50,155 INFO L401 ceAbstractionStarter]: For program point ldv_zallocFINAL(lines 1080 1082) no Hoare annotation was computed. [2018-01-23 14:46:50,155 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveFINAL(lines 1057 1061) no Hoare annotation was computed. [2018-01-23 14:46:50,155 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveErr0EnsuresViolation(lines 1057 1061) no Hoare annotation was computed. [2018-01-23 14:46:50,155 INFO L401 ceAbstractionStarter]: For program point L1059(lines 1059 1060) no Hoare annotation was computed. [2018-01-23 14:46:50,156 INFO L404 ceAbstractionStarter]: At program point ldv_nonpositiveENTRY(lines 1057 1061) the Hoare annotation is: true [2018-01-23 14:46:50,156 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveEXIT(lines 1057 1061) no Hoare annotation was computed. [2018-01-23 14:46:50,156 INFO L401 ceAbstractionStarter]: For program point L1441'(line 1441) no Hoare annotation was computed. [2018-01-23 14:46:50,156 INFO L404 ceAbstractionStarter]: At program point ldv_hid_get_drvdataENTRY(lines 1439 1442) the Hoare annotation is: true [2018-01-23 14:46:50,156 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataFINAL(lines 1439 1442) no Hoare annotation was computed. [2018-01-23 14:46:50,156 INFO L404 ceAbstractionStarter]: At program point L1441(line 1441) the Hoare annotation is: true [2018-01-23 14:46:50,156 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataErr0EnsuresViolation(lines 1439 1442) no Hoare annotation was computed. [2018-01-23 14:46:50,157 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataEXIT(lines 1439 1442) no Hoare annotation was computed. [2018-01-23 14:46:50,157 INFO L404 ceAbstractionStarter]: At program point ldv_dev_get_drvdataENTRY(lines 1191 1194) the Hoare annotation is: true [2018-01-23 14:46:50,157 INFO L401 ceAbstractionStarter]: For program point L1193(line 1193) no Hoare annotation was computed. [2018-01-23 14:46:50,157 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataEXIT(lines 1191 1194) no Hoare annotation was computed. [2018-01-23 14:46:50,157 INFO L401 ceAbstractionStarter]: For program point L1193'(line 1193) no Hoare annotation was computed. [2018-01-23 14:46:50,157 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataFINAL(lines 1191 1194) no Hoare annotation was computed. [2018-01-23 14:46:50,158 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataErr0EnsuresViolation(lines 1191 1194) no Hoare annotation was computed. [2018-01-23 14:46:50,158 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1535) the Hoare annotation is: true [2018-01-23 14:46:50,158 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,158 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1535) the Hoare annotation is: true [2018-01-23 14:46:50,158 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,158 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,158 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:46:50,159 INFO L401 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:46:50,159 INFO L404 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:46:50,159 INFO L401 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:46:50,159 INFO L401 ceAbstractionStarter]: For program point L1510(line 1510) no Hoare annotation was computed. [2018-01-23 14:46:50,159 INFO L401 ceAbstractionStarter]: For program point L1516'(line 1516) no Hoare annotation was computed. [2018-01-23 14:46:50,159 INFO L401 ceAbstractionStarter]: For program point L1513''(line 1513) no Hoare annotation was computed. [2018-01-23 14:46:50,159 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1508 1531) no Hoare annotation was computed. [2018-01-23 14:46:50,159 INFO L401 ceAbstractionStarter]: For program point L1516''(line 1516) no Hoare annotation was computed. [2018-01-23 14:46:50,159 INFO L401 ceAbstractionStarter]: For program point L1524'(line 1524) no Hoare annotation was computed. [2018-01-23 14:46:50,160 INFO L401 ceAbstractionStarter]: For program point L1514'(line 1514) no Hoare annotation was computed. [2018-01-23 14:46:50,160 INFO L401 ceAbstractionStarter]: For program point L1517(line 1517) no Hoare annotation was computed. [2018-01-23 14:46:50,160 INFO L401 ceAbstractionStarter]: For program point L1516(line 1516) no Hoare annotation was computed. [2018-01-23 14:46:50,160 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1508 1531) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:46:50,160 INFO L397 ceAbstractionStarter]: At program point L1513(line 1513) the Hoare annotation is: false [2018-01-23 14:46:50,160 INFO L401 ceAbstractionStarter]: For program point L1514(line 1514) no Hoare annotation was computed. [2018-01-23 14:46:50,160 INFO L397 ceAbstractionStarter]: At program point L1511(line 1511) the Hoare annotation is: false [2018-01-23 14:46:50,160 INFO L401 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2018-01-23 14:46:50,160 INFO L401 ceAbstractionStarter]: For program point L1519(line 1519) no Hoare annotation was computed. [2018-01-23 14:46:50,160 INFO L397 ceAbstractionStarter]: At program point L1520(line 1520) the Hoare annotation is: false [2018-01-23 14:46:50,160 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1508 1531) no Hoare annotation was computed. [2018-01-23 14:46:50,161 INFO L397 ceAbstractionStarter]: At program point L1517'(line 1517) the Hoare annotation is: false [2018-01-23 14:46:50,161 INFO L401 ceAbstractionStarter]: For program point L1511'(line 1511) no Hoare annotation was computed. [2018-01-23 14:46:50,161 INFO L401 ceAbstractionStarter]: For program point L1513'(line 1513) no Hoare annotation was computed. [2018-01-23 14:46:50,161 INFO L397 ceAbstractionStarter]: At program point L1528(line 1528) the Hoare annotation is: false [2018-01-23 14:46:50,161 INFO L397 ceAbstractionStarter]: At program point L1526(line 1526) the Hoare annotation is: false [2018-01-23 14:46:50,161 INFO L401 ceAbstractionStarter]: For program point L1519'(lines 1519 1521) no Hoare annotation was computed. [2018-01-23 14:46:50,161 INFO L401 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2018-01-23 14:46:50,161 INFO L401 ceAbstractionStarter]: For program point L1516'''(line 1516) no Hoare annotation was computed. [2018-01-23 14:46:50,161 INFO L397 ceAbstractionStarter]: At program point L1525(lines 1525 1526) the Hoare annotation is: false [2018-01-23 14:46:50,161 INFO L401 ceAbstractionStarter]: For program point L1523(lines 1523 1524) no Hoare annotation was computed. [2018-01-23 14:46:50,161 INFO L401 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2018-01-23 14:46:50,162 INFO L401 ceAbstractionStarter]: For program point L1454'(line 1454) no Hoare annotation was computed. [2018-01-23 14:46:50,162 INFO L401 ceAbstractionStarter]: For program point L1455'(line 1455) no Hoare annotation was computed. [2018-01-23 14:46:50,162 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_init_arvo_device_structENTRY(lines 1453 1458) the Hoare annotation is: true [2018-01-23 14:46:50,162 INFO L401 ceAbstractionStarter]: For program point L1456(line 1456) no Hoare annotation was computed. [2018-01-23 14:46:50,162 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structFINAL(lines 1453 1458) no Hoare annotation was computed. [2018-01-23 14:46:50,162 INFO L404 ceAbstractionStarter]: At program point L1457(line 1457) the Hoare annotation is: true [2018-01-23 14:46:50,162 INFO L401 ceAbstractionStarter]: For program point L1454(line 1454) no Hoare annotation was computed. [2018-01-23 14:46:50,163 INFO L401 ceAbstractionStarter]: For program point L1455(line 1455) no Hoare annotation was computed. [2018-01-23 14:46:50,163 INFO L401 ceAbstractionStarter]: For program point L1456'(line 1456) no Hoare annotation was computed. [2018-01-23 14:46:50,163 INFO L401 ceAbstractionStarter]: For program point L1457'(line 1457) no Hoare annotation was computed. [2018-01-23 14:46:50,163 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structEXIT(lines 1453 1458) no Hoare annotation was computed. [2018-01-23 14:46:50,163 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structErr0EnsuresViolation(lines 1453 1458) no Hoare annotation was computed. [2018-01-23 14:46:50,163 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_probe_unsafeENTRY(lines 1493 1502) the Hoare annotation is: true [2018-01-23 14:46:50,163 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probe_unsafeErr0EnsuresViolation(lines 1493 1502) no Hoare annotation was computed. [2018-01-23 14:46:50,164 INFO L401 ceAbstractionStarter]: For program point L1495'(line 1495) no Hoare annotation was computed. [2018-01-23 14:46:50,164 INFO L401 ceAbstractionStarter]: For program point L1496(lines 1496 1498) no Hoare annotation was computed. [2018-01-23 14:46:50,164 INFO L404 ceAbstractionStarter]: At program point L1497(line 1497) the Hoare annotation is: true [2018-01-23 14:46:50,164 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probe_unsafeFINAL(lines 1493 1502) no Hoare annotation was computed. [2018-01-23 14:46:50,164 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probe_unsafeEXIT(lines 1493 1502) no Hoare annotation was computed. [2018-01-23 14:46:50,164 INFO L404 ceAbstractionStarter]: At program point L1495(line 1495) the Hoare annotation is: true [2018-01-23 14:46:50,167 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:46:50,167 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:46:50,167 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:46:50,167 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:46:50,167 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:46:50,167 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:46:50,167 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:46:50,168 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_arvo_init_specials_unsafeErr0EnsuresViolation======== [2018-01-23 14:46:50,168 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:46:50,170 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-01-23 14:46:50,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-01-23 14:46:50,173 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:50,174 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:50,174 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_arvo_init_specials_unsafeErr0EnsuresViolation]=== [2018-01-23 14:46:50,174 INFO L82 PathProgramCache]: Analyzing trace with hash 439095343, now seen corresponding path program 1 times [2018-01-23 14:46:50,174 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:50,174 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:50,176 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:50,176 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:50,176 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:50,201 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-01-23 14:46:50,277 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:50,277 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-01-23 14:46:50,289 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:50,365 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:50,375 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-01-23 14:46:50,407 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-23 14:46:50,408 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2018-01-23 14:46:50,408 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:46:50,409 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:46:50,409 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:46:50,409 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 4 states. [2018-01-23 14:46:50,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:50,456 INFO L93 Difference]: Finished difference Result 145 states and 159 transitions. [2018-01-23 14:46:50,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:46:50,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2018-01-23 14:46:50,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:50,457 INFO L225 Difference]: With dead ends: 145 [2018-01-23 14:46:50,457 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:46:50,458 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:46:50,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:46:50,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:46:50,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:46:50,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:46:50,459 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2018-01-23 14:46:50,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:50,460 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:46:50,460 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:46:50,460 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:46:50,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:46:50,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:46:50,530 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1533 1535) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:46:50,530 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1533 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,530 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1533 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,530 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1533 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,530 INFO L401 ceAbstractionStarter]: For program point L1490(line 1490) no Hoare annotation was computed. [2018-01-23 14:46:50,531 INFO L401 ceAbstractionStarter]: For program point L1486'(line 1486) no Hoare annotation was computed. [2018-01-23 14:46:50,531 INFO L401 ceAbstractionStarter]: For program point L1486''(line 1486) no Hoare annotation was computed. [2018-01-23 14:46:50,531 INFO L404 ceAbstractionStarter]: At program point lvd_arvo_remove_specialsENTRY(lines 1483 1491) the Hoare annotation is: true [2018-01-23 14:46:50,531 INFO L401 ceAbstractionStarter]: For program point L1484'(line 1484) no Hoare annotation was computed. [2018-01-23 14:46:50,531 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsFINAL(lines 1483 1491) no Hoare annotation was computed. [2018-01-23 14:46:50,531 INFO L401 ceAbstractionStarter]: For program point L1486(line 1486) no Hoare annotation was computed. [2018-01-23 14:46:50,531 INFO L401 ceAbstractionStarter]: For program point L1489'(line 1489) no Hoare annotation was computed. [2018-01-23 14:46:50,531 INFO L401 ceAbstractionStarter]: For program point L1484(line 1484) no Hoare annotation was computed. [2018-01-23 14:46:50,531 INFO L404 ceAbstractionStarter]: At program point L1489(line 1489) the Hoare annotation is: true [2018-01-23 14:46:50,531 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsErr0EnsuresViolation(lines 1483 1491) no Hoare annotation was computed. [2018-01-23 14:46:50,532 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsEXIT(lines 1483 1491) no Hoare annotation was computed. [2018-01-23 14:46:50,532 INFO L401 ceAbstractionStarter]: For program point L1463'(line 1463) no Hoare annotation was computed. [2018-01-23 14:46:50,532 INFO L401 ceAbstractionStarter]: For program point L1465'(line 1465) no Hoare annotation was computed. [2018-01-23 14:46:50,532 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specials_unsafeFINAL(lines 1460 1481) no Hoare annotation was computed. [2018-01-23 14:46:50,532 INFO L404 ceAbstractionStarter]: At program point L1474(line 1474) the Hoare annotation is: true [2018-01-23 14:46:50,532 INFO L404 ceAbstractionStarter]: At program point L1472(line 1472) the Hoare annotation is: true [2018-01-23 14:46:50,532 INFO L401 ceAbstractionStarter]: For program point L1473(lines 1473 1475) no Hoare annotation was computed. [2018-01-23 14:46:50,532 INFO L401 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2018-01-23 14:46:50,532 INFO L401 ceAbstractionStarter]: For program point L1464''(line 1464) no Hoare annotation was computed. [2018-01-23 14:46:50,532 INFO L401 ceAbstractionStarter]: For program point L1464'(line 1464) no Hoare annotation was computed. [2018-01-23 14:46:50,532 INFO L401 ceAbstractionStarter]: For program point L1472'(line 1472) no Hoare annotation was computed. [2018-01-23 14:46:50,532 INFO L404 ceAbstractionStarter]: At program point L1465(line 1465) the Hoare annotation is: true [2018-01-23 14:46:50,532 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specials_unsafeEXIT(lines 1460 1481) no Hoare annotation was computed. [2018-01-23 14:46:50,533 INFO L401 ceAbstractionStarter]: For program point L1463(line 1463) no Hoare annotation was computed. [2018-01-23 14:46:50,533 INFO L401 ceAbstractionStarter]: For program point L1464(line 1464) no Hoare annotation was computed. [2018-01-23 14:46:50,533 INFO L401 ceAbstractionStarter]: For program point L1468'(line 1468) no Hoare annotation was computed. [2018-01-23 14:46:50,533 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specials_unsafeErr0EnsuresViolation(lines 1460 1481) no Hoare annotation was computed. [2018-01-23 14:46:50,533 INFO L401 ceAbstractionStarter]: For program point L1469(lines 1469 1471) no Hoare annotation was computed. [2018-01-23 14:46:50,533 INFO L404 ceAbstractionStarter]: At program point L1468(line 1468) the Hoare annotation is: true [2018-01-23 14:46:50,533 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_init_specials_unsafeENTRY(lines 1460 1481) the Hoare annotation is: true [2018-01-23 14:46:50,533 INFO L404 ceAbstractionStarter]: At program point L1505(line 1505) the Hoare annotation is: true [2018-01-23 14:46:50,533 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_removeENTRY(lines 1504 1506) the Hoare annotation is: true [2018-01-23 14:46:50,533 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeFINAL(lines 1504 1506) no Hoare annotation was computed. [2018-01-23 14:46:50,533 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeErr0EnsuresViolation(lines 1504 1506) no Hoare annotation was computed. [2018-01-23 14:46:50,533 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeEXIT(lines 1504 1506) no Hoare annotation was computed. [2018-01-23 14:46:50,533 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,533 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,534 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1535) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:46:50,534 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,534 INFO L404 ceAbstractionStarter]: At program point ldv_dev_set_drvdataENTRY(lines 1196 1199) the Hoare annotation is: true [2018-01-23 14:46:50,534 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataEXIT(lines 1196 1199) no Hoare annotation was computed. [2018-01-23 14:46:50,534 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataFINAL(lines 1196 1199) no Hoare annotation was computed. [2018-01-23 14:46:50,534 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataErr0EnsuresViolation(lines 1196 1199) no Hoare annotation was computed. [2018-01-23 14:46:50,534 INFO L401 ceAbstractionStarter]: For program point L1198(line 1198) no Hoare annotation was computed. [2018-01-23 14:46:50,534 INFO L404 ceAbstractionStarter]: At program point ldv_hid_set_drvdataENTRY(lines 1444 1447) the Hoare annotation is: true [2018-01-23 14:46:50,534 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataEXIT(lines 1444 1447) no Hoare annotation was computed. [2018-01-23 14:46:50,534 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataErr0EnsuresViolation(lines 1444 1447) no Hoare annotation was computed. [2018-01-23 14:46:50,534 INFO L404 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: true [2018-01-23 14:46:50,534 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataFINAL(lines 1444 1447) no Hoare annotation was computed. [2018-01-23 14:46:50,534 INFO L401 ceAbstractionStarter]: For program point L1081(line 1081) no Hoare annotation was computed. [2018-01-23 14:46:50,534 INFO L401 ceAbstractionStarter]: For program point L1081''(line 1081) no Hoare annotation was computed. [2018-01-23 14:46:50,534 INFO L401 ceAbstractionStarter]: For program point ldv_zallocEXIT(lines 1080 1082) no Hoare annotation was computed. [2018-01-23 14:46:50,535 INFO L401 ceAbstractionStarter]: For program point ldv_zallocErr0EnsuresViolation(lines 1080 1082) no Hoare annotation was computed. [2018-01-23 14:46:50,535 INFO L397 ceAbstractionStarter]: At program point L1081'(line 1081) the Hoare annotation is: (and (not (= 0 |ldv_zalloc_#t~malloc1.base|)) (not (= |#valid| |old(#valid)|))) [2018-01-23 14:46:50,535 INFO L397 ceAbstractionStarter]: At program point ldv_zallocENTRY(lines 1080 1082) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:46:50,535 INFO L401 ceAbstractionStarter]: For program point ldv_zallocFINAL(lines 1080 1082) no Hoare annotation was computed. [2018-01-23 14:46:50,535 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveFINAL(lines 1057 1061) no Hoare annotation was computed. [2018-01-23 14:46:50,535 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveErr0EnsuresViolation(lines 1057 1061) no Hoare annotation was computed. [2018-01-23 14:46:50,535 INFO L401 ceAbstractionStarter]: For program point L1059(lines 1059 1060) no Hoare annotation was computed. [2018-01-23 14:46:50,535 INFO L404 ceAbstractionStarter]: At program point ldv_nonpositiveENTRY(lines 1057 1061) the Hoare annotation is: true [2018-01-23 14:46:50,535 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveEXIT(lines 1057 1061) no Hoare annotation was computed. [2018-01-23 14:46:50,535 INFO L401 ceAbstractionStarter]: For program point L1441'(line 1441) no Hoare annotation was computed. [2018-01-23 14:46:50,535 INFO L404 ceAbstractionStarter]: At program point ldv_hid_get_drvdataENTRY(lines 1439 1442) the Hoare annotation is: true [2018-01-23 14:46:50,535 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataFINAL(lines 1439 1442) no Hoare annotation was computed. [2018-01-23 14:46:50,535 INFO L404 ceAbstractionStarter]: At program point L1441(line 1441) the Hoare annotation is: true [2018-01-23 14:46:50,536 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataErr0EnsuresViolation(lines 1439 1442) no Hoare annotation was computed. [2018-01-23 14:46:50,536 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataEXIT(lines 1439 1442) no Hoare annotation was computed. [2018-01-23 14:46:50,536 INFO L404 ceAbstractionStarter]: At program point ldv_dev_get_drvdataENTRY(lines 1191 1194) the Hoare annotation is: true [2018-01-23 14:46:50,536 INFO L401 ceAbstractionStarter]: For program point L1193(line 1193) no Hoare annotation was computed. [2018-01-23 14:46:50,536 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataEXIT(lines 1191 1194) no Hoare annotation was computed. [2018-01-23 14:46:50,536 INFO L401 ceAbstractionStarter]: For program point L1193'(line 1193) no Hoare annotation was computed. [2018-01-23 14:46:50,536 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataFINAL(lines 1191 1194) no Hoare annotation was computed. [2018-01-23 14:46:50,536 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataErr0EnsuresViolation(lines 1191 1194) no Hoare annotation was computed. [2018-01-23 14:46:50,536 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1535) the Hoare annotation is: true [2018-01-23 14:46:50,536 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,536 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1535) the Hoare annotation is: true [2018-01-23 14:46:50,536 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,536 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,536 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:46:50,537 INFO L401 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:46:50,537 INFO L404 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:46:50,537 INFO L401 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:46:50,537 INFO L401 ceAbstractionStarter]: For program point L1510(line 1510) no Hoare annotation was computed. [2018-01-23 14:46:50,537 INFO L401 ceAbstractionStarter]: For program point L1516'(line 1516) no Hoare annotation was computed. [2018-01-23 14:46:50,537 INFO L401 ceAbstractionStarter]: For program point L1513''(line 1513) no Hoare annotation was computed. [2018-01-23 14:46:50,537 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1508 1531) no Hoare annotation was computed. [2018-01-23 14:46:50,537 INFO L401 ceAbstractionStarter]: For program point L1516''(line 1516) no Hoare annotation was computed. [2018-01-23 14:46:50,537 INFO L401 ceAbstractionStarter]: For program point L1524'(line 1524) no Hoare annotation was computed. [2018-01-23 14:46:50,537 INFO L401 ceAbstractionStarter]: For program point L1514'(line 1514) no Hoare annotation was computed. [2018-01-23 14:46:50,537 INFO L401 ceAbstractionStarter]: For program point L1517(line 1517) no Hoare annotation was computed. [2018-01-23 14:46:50,537 INFO L401 ceAbstractionStarter]: For program point L1516(line 1516) no Hoare annotation was computed. [2018-01-23 14:46:50,537 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1508 1531) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:46:50,537 INFO L397 ceAbstractionStarter]: At program point L1513(line 1513) the Hoare annotation is: false [2018-01-23 14:46:50,537 INFO L401 ceAbstractionStarter]: For program point L1514(line 1514) no Hoare annotation was computed. [2018-01-23 14:46:50,538 INFO L397 ceAbstractionStarter]: At program point L1511(line 1511) the Hoare annotation is: false [2018-01-23 14:46:50,538 INFO L401 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2018-01-23 14:46:50,538 INFO L401 ceAbstractionStarter]: For program point L1519(line 1519) no Hoare annotation was computed. [2018-01-23 14:46:50,538 INFO L397 ceAbstractionStarter]: At program point L1520(line 1520) the Hoare annotation is: false [2018-01-23 14:46:50,538 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1508 1531) no Hoare annotation was computed. [2018-01-23 14:46:50,538 INFO L397 ceAbstractionStarter]: At program point L1517'(line 1517) the Hoare annotation is: false [2018-01-23 14:46:50,538 INFO L401 ceAbstractionStarter]: For program point L1511'(line 1511) no Hoare annotation was computed. [2018-01-23 14:46:50,538 INFO L401 ceAbstractionStarter]: For program point L1513'(line 1513) no Hoare annotation was computed. [2018-01-23 14:46:50,538 INFO L397 ceAbstractionStarter]: At program point L1528(line 1528) the Hoare annotation is: false [2018-01-23 14:46:50,538 INFO L397 ceAbstractionStarter]: At program point L1526(line 1526) the Hoare annotation is: false [2018-01-23 14:46:50,538 INFO L401 ceAbstractionStarter]: For program point L1519'(lines 1519 1521) no Hoare annotation was computed. [2018-01-23 14:46:50,538 INFO L401 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2018-01-23 14:46:50,538 INFO L401 ceAbstractionStarter]: For program point L1516'''(line 1516) no Hoare annotation was computed. [2018-01-23 14:46:50,538 INFO L397 ceAbstractionStarter]: At program point L1525(lines 1525 1526) the Hoare annotation is: false [2018-01-23 14:46:50,538 INFO L401 ceAbstractionStarter]: For program point L1523(lines 1523 1524) no Hoare annotation was computed. [2018-01-23 14:46:50,539 INFO L401 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2018-01-23 14:46:50,539 INFO L401 ceAbstractionStarter]: For program point L1454'(line 1454) no Hoare annotation was computed. [2018-01-23 14:46:50,539 INFO L401 ceAbstractionStarter]: For program point L1455'(line 1455) no Hoare annotation was computed. [2018-01-23 14:46:50,539 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_init_arvo_device_structENTRY(lines 1453 1458) the Hoare annotation is: true [2018-01-23 14:46:50,539 INFO L401 ceAbstractionStarter]: For program point L1456(line 1456) no Hoare annotation was computed. [2018-01-23 14:46:50,539 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structFINAL(lines 1453 1458) no Hoare annotation was computed. [2018-01-23 14:46:50,539 INFO L404 ceAbstractionStarter]: At program point L1457(line 1457) the Hoare annotation is: true [2018-01-23 14:46:50,539 INFO L401 ceAbstractionStarter]: For program point L1454(line 1454) no Hoare annotation was computed. [2018-01-23 14:46:50,539 INFO L401 ceAbstractionStarter]: For program point L1455(line 1455) no Hoare annotation was computed. [2018-01-23 14:46:50,539 INFO L401 ceAbstractionStarter]: For program point L1456'(line 1456) no Hoare annotation was computed. [2018-01-23 14:46:50,540 INFO L401 ceAbstractionStarter]: For program point L1457'(line 1457) no Hoare annotation was computed. [2018-01-23 14:46:50,540 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structEXIT(lines 1453 1458) no Hoare annotation was computed. [2018-01-23 14:46:50,540 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structErr0EnsuresViolation(lines 1453 1458) no Hoare annotation was computed. [2018-01-23 14:46:50,540 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_probe_unsafeENTRY(lines 1493 1502) the Hoare annotation is: true [2018-01-23 14:46:50,540 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probe_unsafeErr0EnsuresViolation(lines 1493 1502) no Hoare annotation was computed. [2018-01-23 14:46:50,540 INFO L401 ceAbstractionStarter]: For program point L1495'(line 1495) no Hoare annotation was computed. [2018-01-23 14:46:50,540 INFO L401 ceAbstractionStarter]: For program point L1496(lines 1496 1498) no Hoare annotation was computed. [2018-01-23 14:46:50,540 INFO L404 ceAbstractionStarter]: At program point L1497(line 1497) the Hoare annotation is: true [2018-01-23 14:46:50,540 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probe_unsafeFINAL(lines 1493 1502) no Hoare annotation was computed. [2018-01-23 14:46:50,541 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probe_unsafeEXIT(lines 1493 1502) no Hoare annotation was computed. [2018-01-23 14:46:50,541 INFO L404 ceAbstractionStarter]: At program point L1495(line 1495) the Hoare annotation is: true [2018-01-23 14:46:50,543 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:46:50,543 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:46:50,544 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:46:50,544 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:46:50,544 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:46:50,544 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:46:50,544 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:46:50,544 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_arvo_removeErr0EnsuresViolation======== [2018-01-23 14:46:50,544 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:46:50,546 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-01-23 14:46:50,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-01-23 14:46:50,550 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:50,550 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:50,551 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_arvo_removeErr0EnsuresViolation]=== [2018-01-23 14:46:50,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1420951302, now seen corresponding path program 1 times [2018-01-23 14:46:50,551 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:50,551 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:50,552 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:50,553 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:50,553 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:50,568 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:50,649 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-01-23 14:46:50,649 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:50,649 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-01-23 14:46:50,663 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:50,733 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:50,745 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-01-23 14:46:50,768 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-23 14:46:50,768 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2018-01-23 14:46:50,768 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:46:50,769 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:46:50,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:46:50,769 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 4 states. [2018-01-23 14:46:50,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:50,808 INFO L93 Difference]: Finished difference Result 145 states and 159 transitions. [2018-01-23 14:46:50,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:46:50,809 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-01-23 14:46:50,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:50,809 INFO L225 Difference]: With dead ends: 145 [2018-01-23 14:46:50,809 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:46:50,810 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:46:50,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:46:50,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:46:50,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:46:50,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:46:50,811 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2018-01-23 14:46:50,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:50,811 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:46:50,811 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:46:50,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:46:50,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:46:50,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:46:50,852 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1533 1535) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:46:50,852 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1533 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,852 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1533 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,852 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1533 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,852 INFO L401 ceAbstractionStarter]: For program point L1490(line 1490) no Hoare annotation was computed. [2018-01-23 14:46:50,852 INFO L401 ceAbstractionStarter]: For program point L1486'(line 1486) no Hoare annotation was computed. [2018-01-23 14:46:50,852 INFO L401 ceAbstractionStarter]: For program point L1486''(line 1486) no Hoare annotation was computed. [2018-01-23 14:46:50,852 INFO L404 ceAbstractionStarter]: At program point lvd_arvo_remove_specialsENTRY(lines 1483 1491) the Hoare annotation is: true [2018-01-23 14:46:50,852 INFO L401 ceAbstractionStarter]: For program point L1484'(line 1484) no Hoare annotation was computed. [2018-01-23 14:46:50,853 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsFINAL(lines 1483 1491) no Hoare annotation was computed. [2018-01-23 14:46:50,853 INFO L401 ceAbstractionStarter]: For program point L1486(line 1486) no Hoare annotation was computed. [2018-01-23 14:46:50,853 INFO L401 ceAbstractionStarter]: For program point L1489'(line 1489) no Hoare annotation was computed. [2018-01-23 14:46:50,853 INFO L401 ceAbstractionStarter]: For program point L1484(line 1484) no Hoare annotation was computed. [2018-01-23 14:46:50,853 INFO L404 ceAbstractionStarter]: At program point L1489(line 1489) the Hoare annotation is: true [2018-01-23 14:46:50,853 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsErr0EnsuresViolation(lines 1483 1491) no Hoare annotation was computed. [2018-01-23 14:46:50,853 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsEXIT(lines 1483 1491) no Hoare annotation was computed. [2018-01-23 14:46:50,853 INFO L401 ceAbstractionStarter]: For program point L1463'(line 1463) no Hoare annotation was computed. [2018-01-23 14:46:50,853 INFO L401 ceAbstractionStarter]: For program point L1465'(line 1465) no Hoare annotation was computed. [2018-01-23 14:46:50,853 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specials_unsafeFINAL(lines 1460 1481) no Hoare annotation was computed. [2018-01-23 14:46:50,853 INFO L404 ceAbstractionStarter]: At program point L1474(line 1474) the Hoare annotation is: true [2018-01-23 14:46:50,854 INFO L404 ceAbstractionStarter]: At program point L1472(line 1472) the Hoare annotation is: true [2018-01-23 14:46:50,854 INFO L401 ceAbstractionStarter]: For program point L1473(lines 1473 1475) no Hoare annotation was computed. [2018-01-23 14:46:50,854 INFO L401 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2018-01-23 14:46:50,854 INFO L401 ceAbstractionStarter]: For program point L1464''(line 1464) no Hoare annotation was computed. [2018-01-23 14:46:50,854 INFO L401 ceAbstractionStarter]: For program point L1464'(line 1464) no Hoare annotation was computed. [2018-01-23 14:46:50,854 INFO L401 ceAbstractionStarter]: For program point L1472'(line 1472) no Hoare annotation was computed. [2018-01-23 14:46:50,854 INFO L404 ceAbstractionStarter]: At program point L1465(line 1465) the Hoare annotation is: true [2018-01-23 14:46:50,854 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specials_unsafeEXIT(lines 1460 1481) no Hoare annotation was computed. [2018-01-23 14:46:50,854 INFO L401 ceAbstractionStarter]: For program point L1463(line 1463) no Hoare annotation was computed. [2018-01-23 14:46:50,855 INFO L401 ceAbstractionStarter]: For program point L1464(line 1464) no Hoare annotation was computed. [2018-01-23 14:46:50,855 INFO L401 ceAbstractionStarter]: For program point L1468'(line 1468) no Hoare annotation was computed. [2018-01-23 14:46:50,855 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specials_unsafeErr0EnsuresViolation(lines 1460 1481) no Hoare annotation was computed. [2018-01-23 14:46:50,855 INFO L401 ceAbstractionStarter]: For program point L1469(lines 1469 1471) no Hoare annotation was computed. [2018-01-23 14:46:50,855 INFO L404 ceAbstractionStarter]: At program point L1468(line 1468) the Hoare annotation is: true [2018-01-23 14:46:50,855 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_init_specials_unsafeENTRY(lines 1460 1481) the Hoare annotation is: true [2018-01-23 14:46:50,855 INFO L404 ceAbstractionStarter]: At program point L1505(line 1505) the Hoare annotation is: true [2018-01-23 14:46:50,855 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_removeENTRY(lines 1504 1506) the Hoare annotation is: true [2018-01-23 14:46:50,855 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeFINAL(lines 1504 1506) no Hoare annotation was computed. [2018-01-23 14:46:50,856 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeErr0EnsuresViolation(lines 1504 1506) no Hoare annotation was computed. [2018-01-23 14:46:50,856 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeEXIT(lines 1504 1506) no Hoare annotation was computed. [2018-01-23 14:46:50,856 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,856 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,856 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1535) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:46:50,856 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,856 INFO L404 ceAbstractionStarter]: At program point ldv_dev_set_drvdataENTRY(lines 1196 1199) the Hoare annotation is: true [2018-01-23 14:46:50,856 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataEXIT(lines 1196 1199) no Hoare annotation was computed. [2018-01-23 14:46:50,856 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataFINAL(lines 1196 1199) no Hoare annotation was computed. [2018-01-23 14:46:50,857 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataErr0EnsuresViolation(lines 1196 1199) no Hoare annotation was computed. [2018-01-23 14:46:50,857 INFO L401 ceAbstractionStarter]: For program point L1198(line 1198) no Hoare annotation was computed. [2018-01-23 14:46:50,857 INFO L404 ceAbstractionStarter]: At program point ldv_hid_set_drvdataENTRY(lines 1444 1447) the Hoare annotation is: true [2018-01-23 14:46:50,857 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataEXIT(lines 1444 1447) no Hoare annotation was computed. [2018-01-23 14:46:50,857 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataErr0EnsuresViolation(lines 1444 1447) no Hoare annotation was computed. [2018-01-23 14:46:50,857 INFO L404 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: true [2018-01-23 14:46:50,857 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataFINAL(lines 1444 1447) no Hoare annotation was computed. [2018-01-23 14:46:50,857 INFO L401 ceAbstractionStarter]: For program point L1081(line 1081) no Hoare annotation was computed. [2018-01-23 14:46:50,857 INFO L401 ceAbstractionStarter]: For program point L1081''(line 1081) no Hoare annotation was computed. [2018-01-23 14:46:50,858 INFO L401 ceAbstractionStarter]: For program point ldv_zallocEXIT(lines 1080 1082) no Hoare annotation was computed. [2018-01-23 14:46:50,858 INFO L401 ceAbstractionStarter]: For program point ldv_zallocErr0EnsuresViolation(lines 1080 1082) no Hoare annotation was computed. [2018-01-23 14:46:50,858 INFO L397 ceAbstractionStarter]: At program point L1081'(line 1081) the Hoare annotation is: (and (not (= 0 |ldv_zalloc_#t~malloc1.base|)) (not (= |#valid| |old(#valid)|))) [2018-01-23 14:46:50,858 INFO L397 ceAbstractionStarter]: At program point ldv_zallocENTRY(lines 1080 1082) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:46:50,858 INFO L401 ceAbstractionStarter]: For program point ldv_zallocFINAL(lines 1080 1082) no Hoare annotation was computed. [2018-01-23 14:46:50,858 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveFINAL(lines 1057 1061) no Hoare annotation was computed. [2018-01-23 14:46:50,858 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveErr0EnsuresViolation(lines 1057 1061) no Hoare annotation was computed. [2018-01-23 14:46:50,858 INFO L401 ceAbstractionStarter]: For program point L1059(lines 1059 1060) no Hoare annotation was computed. [2018-01-23 14:46:50,859 INFO L404 ceAbstractionStarter]: At program point ldv_nonpositiveENTRY(lines 1057 1061) the Hoare annotation is: true [2018-01-23 14:46:50,859 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveEXIT(lines 1057 1061) no Hoare annotation was computed. [2018-01-23 14:46:50,859 INFO L401 ceAbstractionStarter]: For program point L1441'(line 1441) no Hoare annotation was computed. [2018-01-23 14:46:50,859 INFO L404 ceAbstractionStarter]: At program point ldv_hid_get_drvdataENTRY(lines 1439 1442) the Hoare annotation is: true [2018-01-23 14:46:50,859 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataFINAL(lines 1439 1442) no Hoare annotation was computed. [2018-01-23 14:46:50,859 INFO L404 ceAbstractionStarter]: At program point L1441(line 1441) the Hoare annotation is: true [2018-01-23 14:46:50,859 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataErr0EnsuresViolation(lines 1439 1442) no Hoare annotation was computed. [2018-01-23 14:46:50,859 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataEXIT(lines 1439 1442) no Hoare annotation was computed. [2018-01-23 14:46:50,859 INFO L404 ceAbstractionStarter]: At program point ldv_dev_get_drvdataENTRY(lines 1191 1194) the Hoare annotation is: true [2018-01-23 14:46:50,859 INFO L401 ceAbstractionStarter]: For program point L1193(line 1193) no Hoare annotation was computed. [2018-01-23 14:46:50,860 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataEXIT(lines 1191 1194) no Hoare annotation was computed. [2018-01-23 14:46:50,860 INFO L401 ceAbstractionStarter]: For program point L1193'(line 1193) no Hoare annotation was computed. [2018-01-23 14:46:50,860 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataFINAL(lines 1191 1194) no Hoare annotation was computed. [2018-01-23 14:46:50,860 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataErr0EnsuresViolation(lines 1191 1194) no Hoare annotation was computed. [2018-01-23 14:46:50,860 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1535) the Hoare annotation is: true [2018-01-23 14:46:50,860 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,860 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1535) the Hoare annotation is: true [2018-01-23 14:46:50,860 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,860 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1535) no Hoare annotation was computed. [2018-01-23 14:46:50,861 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:46:50,861 INFO L401 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:46:50,861 INFO L404 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:46:50,861 INFO L401 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:46:50,861 INFO L401 ceAbstractionStarter]: For program point L1510(line 1510) no Hoare annotation was computed. [2018-01-23 14:46:50,861 INFO L401 ceAbstractionStarter]: For program point L1516'(line 1516) no Hoare annotation was computed. [2018-01-23 14:46:50,861 INFO L401 ceAbstractionStarter]: For program point L1513''(line 1513) no Hoare annotation was computed. [2018-01-23 14:46:50,861 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1508 1531) no Hoare annotation was computed. [2018-01-23 14:46:50,861 INFO L401 ceAbstractionStarter]: For program point L1516''(line 1516) no Hoare annotation was computed. [2018-01-23 14:46:50,862 INFO L401 ceAbstractionStarter]: For program point L1524'(line 1524) no Hoare annotation was computed. [2018-01-23 14:46:50,862 INFO L401 ceAbstractionStarter]: For program point L1514'(line 1514) no Hoare annotation was computed. [2018-01-23 14:46:50,862 INFO L401 ceAbstractionStarter]: For program point L1517(line 1517) no Hoare annotation was computed. [2018-01-23 14:46:50,862 INFO L401 ceAbstractionStarter]: For program point L1516(line 1516) no Hoare annotation was computed. [2018-01-23 14:46:50,862 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1508 1531) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:46:50,862 INFO L397 ceAbstractionStarter]: At program point L1513(line 1513) the Hoare annotation is: false [2018-01-23 14:46:50,862 INFO L401 ceAbstractionStarter]: For program point L1514(line 1514) no Hoare annotation was computed. [2018-01-23 14:46:50,862 INFO L397 ceAbstractionStarter]: At program point L1511(line 1511) the Hoare annotation is: false [2018-01-23 14:46:50,862 INFO L401 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2018-01-23 14:46:50,863 INFO L401 ceAbstractionStarter]: For program point L1519(line 1519) no Hoare annotation was computed. [2018-01-23 14:46:50,863 INFO L397 ceAbstractionStarter]: At program point L1520(line 1520) the Hoare annotation is: false [2018-01-23 14:46:50,863 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1508 1531) no Hoare annotation was computed. [2018-01-23 14:46:50,863 INFO L397 ceAbstractionStarter]: At program point L1517'(line 1517) the Hoare annotation is: false [2018-01-23 14:46:50,863 INFO L401 ceAbstractionStarter]: For program point L1511'(line 1511) no Hoare annotation was computed. [2018-01-23 14:46:50,863 INFO L401 ceAbstractionStarter]: For program point L1513'(line 1513) no Hoare annotation was computed. [2018-01-23 14:46:50,863 INFO L397 ceAbstractionStarter]: At program point L1528(line 1528) the Hoare annotation is: false [2018-01-23 14:46:50,864 INFO L397 ceAbstractionStarter]: At program point L1526(line 1526) the Hoare annotation is: false [2018-01-23 14:46:50,864 INFO L401 ceAbstractionStarter]: For program point L1519'(lines 1519 1521) no Hoare annotation was computed. [2018-01-23 14:46:50,864 INFO L401 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2018-01-23 14:46:50,864 INFO L401 ceAbstractionStarter]: For program point L1516'''(line 1516) no Hoare annotation was computed. [2018-01-23 14:46:50,864 INFO L397 ceAbstractionStarter]: At program point L1525(lines 1525 1526) the Hoare annotation is: false [2018-01-23 14:46:50,864 INFO L401 ceAbstractionStarter]: For program point L1523(lines 1523 1524) no Hoare annotation was computed. [2018-01-23 14:46:50,864 INFO L401 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2018-01-23 14:46:50,864 INFO L401 ceAbstractionStarter]: For program point L1454'(line 1454) no Hoare annotation was computed. [2018-01-23 14:46:50,865 INFO L401 ceAbstractionStarter]: For program point L1455'(line 1455) no Hoare annotation was computed. [2018-01-23 14:46:50,865 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_init_arvo_device_structENTRY(lines 1453 1458) the Hoare annotation is: true [2018-01-23 14:46:50,865 INFO L401 ceAbstractionStarter]: For program point L1456(line 1456) no Hoare annotation was computed. [2018-01-23 14:46:50,865 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structFINAL(lines 1453 1458) no Hoare annotation was computed. [2018-01-23 14:46:50,865 INFO L404 ceAbstractionStarter]: At program point L1457(line 1457) the Hoare annotation is: true [2018-01-23 14:46:50,865 INFO L401 ceAbstractionStarter]: For program point L1454(line 1454) no Hoare annotation was computed. [2018-01-23 14:46:50,865 INFO L401 ceAbstractionStarter]: For program point L1455(line 1455) no Hoare annotation was computed. [2018-01-23 14:46:50,866 INFO L401 ceAbstractionStarter]: For program point L1456'(line 1456) no Hoare annotation was computed. [2018-01-23 14:46:50,866 INFO L401 ceAbstractionStarter]: For program point L1457'(line 1457) no Hoare annotation was computed. [2018-01-23 14:46:50,866 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structEXIT(lines 1453 1458) no Hoare annotation was computed. [2018-01-23 14:46:50,866 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structErr0EnsuresViolation(lines 1453 1458) no Hoare annotation was computed. [2018-01-23 14:46:50,866 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_probe_unsafeENTRY(lines 1493 1502) the Hoare annotation is: true [2018-01-23 14:46:50,866 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probe_unsafeErr0EnsuresViolation(lines 1493 1502) no Hoare annotation was computed. [2018-01-23 14:46:50,866 INFO L401 ceAbstractionStarter]: For program point L1495'(line 1495) no Hoare annotation was computed. [2018-01-23 14:46:50,866 INFO L401 ceAbstractionStarter]: For program point L1496(lines 1496 1498) no Hoare annotation was computed. [2018-01-23 14:46:50,867 INFO L404 ceAbstractionStarter]: At program point L1497(line 1497) the Hoare annotation is: true [2018-01-23 14:46:50,867 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probe_unsafeFINAL(lines 1493 1502) no Hoare annotation was computed. [2018-01-23 14:46:50,867 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probe_unsafeEXIT(lines 1493 1502) no Hoare annotation was computed. [2018-01-23 14:46:50,867 INFO L404 ceAbstractionStarter]: At program point L1495(line 1495) the Hoare annotation is: true [2018-01-23 14:46:50,869 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:46:50,869 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:46:50,869 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:46:50,869 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:46:50,869 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:46:50,870 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:46:50,870 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:46:50,870 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-23 14:46:50,870 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:46:50,872 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-01-23 14:46:50,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-23 14:46:50,873 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:50,873 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-23 14:46:50,873 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-23 14:46:50,873 INFO L82 PathProgramCache]: Analyzing trace with hash 218145, now seen corresponding path program 1 times [2018-01-23 14:46:50,874 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:50,874 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:50,875 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:50,875 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:50,875 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:46:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:46:50,896 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:46:50,899 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:46:50,903 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:46:50,903 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:46:50,904 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:46:50,904 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:46:50,904 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:46:50,904 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:46:50,904 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:46:50,904 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_dev_set_drvdataErr0EnsuresViolation======== [2018-01-23 14:46:50,904 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:46:50,905 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-01-23 14:46:50,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-01-23 14:46:50,907 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:50,907 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:50,907 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_dev_set_drvdataErr0EnsuresViolation]=== [2018-01-23 14:46:50,907 INFO L82 PathProgramCache]: Analyzing trace with hash 89376685, now seen corresponding path program 1 times [2018-01-23 14:46:50,907 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:50,907 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:50,908 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:50,908 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:50,908 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:50,922 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-01-23 14:46:50,983 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:50,983 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:46:50,992 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:51,048 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:51,056 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-01-23 14:46:51,085 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-23 14:46:51,085 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [4] total 4 [2018-01-23 14:46:51,086 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:46:51,086 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:46:51,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:46:51,086 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 4 states. [2018-01-23 14:46:51,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:51,118 INFO L93 Difference]: Finished difference Result 145 states and 159 transitions. [2018-01-23 14:46:51,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:46:51,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-01-23 14:46:51,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:51,119 INFO L225 Difference]: With dead ends: 145 [2018-01-23 14:46:51,119 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:46:51,120 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:46:51,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:46:51,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:46:51,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:46:51,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:46:51,121 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2018-01-23 14:46:51,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:51,121 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:46:51,121 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:46:51,121 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:46:51,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:46:51,123 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:46:51,123 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:46:51,123 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:46:51,123 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:46:51,123 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:46:51,123 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:46:51,123 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:46:51,123 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_hid_set_drvdataErr0EnsuresViolation======== [2018-01-23 14:46:51,123 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:46:51,124 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-01-23 14:46:51,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-01-23 14:46:51,159 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:51,159 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:51,159 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_hid_set_drvdataErr0EnsuresViolation]=== [2018-01-23 14:46:51,159 INFO L82 PathProgramCache]: Analyzing trace with hash -8347123, now seen corresponding path program 1 times [2018-01-23 14:46:51,159 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:51,159 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:51,160 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:51,160 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:51,160 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:51,168 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:51,209 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-01-23 14:46:51,209 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:51,209 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:46:51,215 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:51,270 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:51,278 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-01-23 14:46:51,312 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-23 14:46:51,313 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [4] total 4 [2018-01-23 14:46:51,313 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:46:51,313 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:46:51,313 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:46:51,314 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 4 states. [2018-01-23 14:46:51,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:51,361 INFO L93 Difference]: Finished difference Result 145 states and 159 transitions. [2018-01-23 14:46:51,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:46:51,361 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 69 [2018-01-23 14:46:51,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:51,362 INFO L225 Difference]: With dead ends: 145 [2018-01-23 14:46:51,362 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:46:51,362 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:46:51,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:46:51,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:46:51,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:46:51,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:46:51,363 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2018-01-23 14:46:51,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:51,363 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:46:51,363 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:46:51,364 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:46:51,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:46:51,365 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:46:51,365 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:46:51,365 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:46:51,366 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:46:51,366 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:46:51,366 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:46:51,366 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:46:51,366 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_zallocErr0EnsuresViolation======== [2018-01-23 14:46:51,366 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:46:51,368 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-01-23 14:46:51,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-23 14:46:51,369 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:51,369 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:51,369 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_zallocErr0EnsuresViolation]=== [2018-01-23 14:46:51,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1863043761, now seen corresponding path program 1 times [2018-01-23 14:46:51,369 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:51,369 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:51,371 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:51,371 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:51,371 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:51,383 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:51,497 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:46:51,497 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-23 14:46:51,497 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-23 14:46:51,497 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-23 14:46:51,497 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-01-23 14:46:51,498 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 7 states. [2018-01-23 14:46:51,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:51,561 INFO L93 Difference]: Finished difference Result 266 states and 303 transitions. [2018-01-23 14:46:51,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-23 14:46:51,562 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2018-01-23 14:46:51,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:51,564 INFO L225 Difference]: With dead ends: 266 [2018-01-23 14:46:51,564 INFO L226 Difference]: Without dead ends: 53 [2018-01-23 14:46:51,565 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-01-23 14:46:51,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-01-23 14:46:51,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2018-01-23 14:46:51,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-01-23 14:46:51,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-01-23 14:46:51,572 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 16 [2018-01-23 14:46:51,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:51,572 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-01-23 14:46:51,573 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-23 14:46:51,573 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-01-23 14:46:51,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-23 14:46:51,573 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:51,573 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:51,573 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_zallocErr0EnsuresViolation]=== [2018-01-23 14:46:51,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1857994318, now seen corresponding path program 1 times [2018-01-23 14:46:51,574 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:51,574 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:51,575 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:51,575 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:51,575 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:51,583 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:51,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:51,723 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:51,724 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:46:51,731 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:51,747 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:51,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:51,864 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:46:51,864 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2018-01-23 14:46:51,864 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-23 14:46:51,865 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-23 14:46:51,865 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-01-23 14:46:51,865 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 10 states. [2018-01-23 14:46:52,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:52,083 INFO L93 Difference]: Finished difference Result 101 states and 112 transitions. [2018-01-23 14:46:52,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:46:52,083 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2018-01-23 14:46:52,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:52,085 INFO L225 Difference]: With dead ends: 101 [2018-01-23 14:46:52,085 INFO L226 Difference]: Without dead ends: 56 [2018-01-23 14:46:52,085 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-01-23 14:46:52,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-01-23 14:46:52,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2018-01-23 14:46:52,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-01-23 14:46:52,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2018-01-23 14:46:52,091 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 17 [2018-01-23 14:46:52,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:52,091 INFO L432 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2018-01-23 14:46:52,092 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-23 14:46:52,092 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2018-01-23 14:46:52,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-23 14:46:52,092 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:52,092 INFO L322 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:52,092 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_zallocErr0EnsuresViolation]=== [2018-01-23 14:46:52,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1701461585, now seen corresponding path program 2 times [2018-01-23 14:46:52,093 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:52,093 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:52,094 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:52,094 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:52,094 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:52,104 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:52,278 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:52,278 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:46:52,286 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-23 14:46:52,301 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:46:52,308 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:46:52,309 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-23 14:46:52,311 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:52,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:52,378 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:46:52,378 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2018-01-23 14:46:52,378 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-01-23 14:46:52,378 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-01-23 14:46:52,379 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-01-23 14:46:52,379 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 12 states. [2018-01-23 14:46:52,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:52,548 INFO L93 Difference]: Finished difference Result 105 states and 118 transitions. [2018-01-23 14:46:52,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-23 14:46:52,549 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2018-01-23 14:46:52,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:52,550 INFO L225 Difference]: With dead ends: 105 [2018-01-23 14:46:52,550 INFO L226 Difference]: Without dead ends: 59 [2018-01-23 14:46:52,551 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2018-01-23 14:46:52,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-01-23 14:46:52,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 54. [2018-01-23 14:46:52,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-01-23 14:46:52,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2018-01-23 14:46:52,558 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 18 [2018-01-23 14:46:52,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:52,558 INFO L432 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2018-01-23 14:46:52,558 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-01-23 14:46:52,558 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2018-01-23 14:46:52,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-23 14:46:52,558 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:52,559 INFO L322 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:52,559 INFO L371 AbstractCegarLoop]: === Iteration 4 === [ldv_zallocErr0EnsuresViolation]=== [2018-01-23 14:46:52,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1143914158, now seen corresponding path program 3 times [2018-01-23 14:46:52,559 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:52,559 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:52,560 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:52,561 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-23 14:46:52,561 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:52,575 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:52,759 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:52,760 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:52,760 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:46:52,765 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-23 14:46:52,775 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-23 14:46:52,777 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-23 14:46:52,781 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-23 14:46:52,782 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-23 14:46:52,783 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:52,845 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:52,866 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:46:52,866 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-01-23 14:46:52,866 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-01-23 14:46:52,866 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-01-23 14:46:52,866 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-01-23 14:46:52,867 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand 14 states. [2018-01-23 14:46:52,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:52,995 INFO L93 Difference]: Finished difference Result 109 states and 124 transitions. [2018-01-23 14:46:52,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-01-23 14:46:52,995 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 19 [2018-01-23 14:46:52,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:52,996 INFO L225 Difference]: With dead ends: 109 [2018-01-23 14:46:52,996 INFO L226 Difference]: Without dead ends: 62 [2018-01-23 14:46:52,997 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2018-01-23 14:46:52,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-01-23 14:46:53,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 55. [2018-01-23 14:46:53,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-01-23 14:46:53,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2018-01-23 14:46:53,003 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 19 [2018-01-23 14:46:53,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:53,004 INFO L432 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2018-01-23 14:46:53,004 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-01-23 14:46:53,004 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2018-01-23 14:46:53,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-23 14:46:53,004 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:53,004 INFO L322 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:53,004 INFO L371 AbstractCegarLoop]: === Iteration 5 === [ldv_zallocErr0EnsuresViolation]=== [2018-01-23 14:46:53,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1039813105, now seen corresponding path program 4 times [2018-01-23 14:46:53,004 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:53,004 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:53,005 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:53,005 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-23 14:46:53,005 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:53,018 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:53,153 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:53,153 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:46:53,158 INFO L101 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-01-23 14:46:53,184 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-23 14:46:53,186 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:53,251 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:53,272 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:46:53,273 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 16 [2018-01-23 14:46:53,273 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-01-23 14:46:53,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-01-23 14:46:53,273 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-01-23 14:46:53,273 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand 16 states. [2018-01-23 14:46:53,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:53,472 INFO L93 Difference]: Finished difference Result 113 states and 130 transitions. [2018-01-23 14:46:53,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-01-23 14:46:53,472 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 20 [2018-01-23 14:46:53,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:53,473 INFO L225 Difference]: With dead ends: 113 [2018-01-23 14:46:53,474 INFO L226 Difference]: Without dead ends: 65 [2018-01-23 14:46:53,474 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2018-01-23 14:46:53,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-01-23 14:46:53,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 56. [2018-01-23 14:46:53,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-01-23 14:46:53,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 65 transitions. [2018-01-23 14:46:53,482 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 65 transitions. Word has length 20 [2018-01-23 14:46:53,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:53,482 INFO L432 AbstractCegarLoop]: Abstraction has 56 states and 65 transitions. [2018-01-23 14:46:53,482 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-01-23 14:46:53,482 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2018-01-23 14:46:53,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-23 14:46:53,483 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:53,483 INFO L322 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:53,483 INFO L371 AbstractCegarLoop]: === Iteration 6 === [ldv_zallocErr0EnsuresViolation]=== [2018-01-23 14:46:53,483 INFO L82 PathProgramCache]: Analyzing trace with hash 2107647758, now seen corresponding path program 5 times [2018-01-23 14:46:53,483 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:53,483 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:53,485 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:53,485 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-23 14:46:53,485 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:53,500 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:53,735 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:53,735 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:53,735 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:46:53,744 INFO L101 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-01-23 14:46:53,751 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:46:53,753 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:46:53,758 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:46:53,783 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:46:53,785 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-23 14:46:53,788 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:53,935 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:46:53,936 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 18 [2018-01-23 14:46:53,936 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-01-23 14:46:53,936 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-01-23 14:46:53,936 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-01-23 14:46:53,936 INFO L87 Difference]: Start difference. First operand 56 states and 65 transitions. Second operand 18 states. [2018-01-23 14:46:54,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:54,205 INFO L93 Difference]: Finished difference Result 117 states and 136 transitions. [2018-01-23 14:46:54,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-01-23 14:46:54,205 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 21 [2018-01-23 14:46:54,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:54,206 INFO L225 Difference]: With dead ends: 117 [2018-01-23 14:46:54,206 INFO L226 Difference]: Without dead ends: 68 [2018-01-23 14:46:54,207 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2018-01-23 14:46:54,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-01-23 14:46:54,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 57. [2018-01-23 14:46:54,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-01-23 14:46:54,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 67 transitions. [2018-01-23 14:46:54,212 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 67 transitions. Word has length 21 [2018-01-23 14:46:54,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:54,212 INFO L432 AbstractCegarLoop]: Abstraction has 57 states and 67 transitions. [2018-01-23 14:46:54,212 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-01-23 14:46:54,213 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2018-01-23 14:46:54,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-23 14:46:54,213 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:54,213 INFO L322 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:54,213 INFO L371 AbstractCegarLoop]: === Iteration 7 === [ldv_zallocErr0EnsuresViolation]=== [2018-01-23 14:46:54,213 INFO L82 PathProgramCache]: Analyzing trace with hash 850783633, now seen corresponding path program 6 times [2018-01-23 14:46:54,213 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:54,213 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:54,214 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:54,214 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-23 14:46:54,214 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:54,228 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:54,421 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:54,421 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:54,421 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:46:54,428 INFO L101 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-01-23 14:46:54,440 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-23 14:46:54,445 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-23 14:46:54,450 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-23 14:46:54,469 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-23 14:46:54,471 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-23 14:46:54,473 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:54,566 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:54,589 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:46:54,589 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 20 [2018-01-23 14:46:54,589 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-01-23 14:46:54,589 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-01-23 14:46:54,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2018-01-23 14:46:54,590 INFO L87 Difference]: Start difference. First operand 57 states and 67 transitions. Second operand 20 states. [2018-01-23 14:46:54,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:54,958 INFO L93 Difference]: Finished difference Result 121 states and 142 transitions. [2018-01-23 14:46:54,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-01-23 14:46:54,959 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 22 [2018-01-23 14:46:54,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:54,960 INFO L225 Difference]: With dead ends: 121 [2018-01-23 14:46:54,960 INFO L226 Difference]: Without dead ends: 71 [2018-01-23 14:46:54,961 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=599, Unknown=0, NotChecked=0, Total=756 [2018-01-23 14:46:54,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-01-23 14:46:54,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 58. [2018-01-23 14:46:54,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-01-23 14:46:54,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 69 transitions. [2018-01-23 14:46:54,967 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 69 transitions. Word has length 22 [2018-01-23 14:46:54,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:54,967 INFO L432 AbstractCegarLoop]: Abstraction has 58 states and 69 transitions. [2018-01-23 14:46:54,967 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-01-23 14:46:54,968 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2018-01-23 14:46:54,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-23 14:46:54,968 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:54,968 INFO L322 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:54,968 INFO L371 AbstractCegarLoop]: === Iteration 8 === [ldv_zallocErr0EnsuresViolation]=== [2018-01-23 14:46:54,968 INFO L82 PathProgramCache]: Analyzing trace with hash 542701422, now seen corresponding path program 7 times [2018-01-23 14:46:54,968 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:54,968 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:54,969 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:54,969 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-23 14:46:54,969 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:54,984 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:55,198 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:55,198 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:55,198 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:46:55,203 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:55,223 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:55,300 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:55,321 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:46:55,321 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 22 [2018-01-23 14:46:55,321 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-01-23 14:46:55,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-01-23 14:46:55,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2018-01-23 14:46:55,322 INFO L87 Difference]: Start difference. First operand 58 states and 69 transitions. Second operand 22 states. [2018-01-23 14:46:55,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:55,679 INFO L93 Difference]: Finished difference Result 125 states and 148 transitions. [2018-01-23 14:46:55,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-01-23 14:46:55,679 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 23 [2018-01-23 14:46:55,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:55,680 INFO L225 Difference]: With dead ends: 125 [2018-01-23 14:46:55,680 INFO L226 Difference]: Without dead ends: 74 [2018-01-23 14:46:55,681 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=172, Invalid=758, Unknown=0, NotChecked=0, Total=930 [2018-01-23 14:46:55,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-01-23 14:46:55,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 59. [2018-01-23 14:46:55,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-01-23 14:46:55,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2018-01-23 14:46:55,689 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 23 [2018-01-23 14:46:55,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:55,689 INFO L432 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2018-01-23 14:46:55,689 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-01-23 14:46:55,689 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2018-01-23 14:46:55,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-01-23 14:46:55,690 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:55,690 INFO L322 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:55,690 INFO L371 AbstractCegarLoop]: === Iteration 9 === [ldv_zallocErr0EnsuresViolation]=== [2018-01-23 14:46:55,690 INFO L82 PathProgramCache]: Analyzing trace with hash -417912527, now seen corresponding path program 8 times [2018-01-23 14:46:55,690 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:55,690 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:55,691 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:55,691 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:46:55,691 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:55,702 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:55,987 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:55,987 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:55,988 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:46:55,995 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-23 14:46:56,006 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:46:56,013 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:46:56,016 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-23 14:46:56,018 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:56,134 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:56,169 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:46:56,169 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 24 [2018-01-23 14:46:56,169 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-01-23 14:46:56,169 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-01-23 14:46:56,170 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=433, Unknown=0, NotChecked=0, Total=552 [2018-01-23 14:46:56,170 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand 24 states. [2018-01-23 14:46:56,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:56,519 INFO L93 Difference]: Finished difference Result 129 states and 154 transitions. [2018-01-23 14:46:56,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-01-23 14:46:56,519 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 24 [2018-01-23 14:46:56,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:56,520 INFO L225 Difference]: With dead ends: 129 [2018-01-23 14:46:56,520 INFO L226 Difference]: Without dead ends: 77 [2018-01-23 14:46:56,521 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=213, Invalid=909, Unknown=0, NotChecked=0, Total=1122 [2018-01-23 14:46:56,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-01-23 14:46:56,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 60. [2018-01-23 14:46:56,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-01-23 14:46:56,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 73 transitions. [2018-01-23 14:46:56,527 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 73 transitions. Word has length 24 [2018-01-23 14:46:56,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:56,527 INFO L432 AbstractCegarLoop]: Abstraction has 60 states and 73 transitions. [2018-01-23 14:46:56,527 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-01-23 14:46:56,527 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2018-01-23 14:46:56,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-23 14:46:56,527 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:56,528 INFO L322 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:56,528 INFO L371 AbstractCegarLoop]: === Iteration 10 === [ldv_zallocErr0EnsuresViolation]=== [2018-01-23 14:46:56,528 INFO L82 PathProgramCache]: Analyzing trace with hash -132173874, now seen corresponding path program 9 times [2018-01-23 14:46:56,528 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:56,528 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:56,529 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:56,529 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-23 14:46:56,529 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:56,544 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:56,833 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:56,833 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:46:56,845 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-23 14:46:56,860 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-23 14:46:56,864 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-23 14:46:56,870 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-23 14:46:56,919 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-23 14:46:57,046 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-23 14:46:57,400 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-23 14:46:57,401 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-23 14:46:57,404 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:57,557 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:46:57,558 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 26 [2018-01-23 14:46:57,558 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-01-23 14:46:57,558 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-01-23 14:46:57,558 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650 [2018-01-23 14:46:57,558 INFO L87 Difference]: Start difference. First operand 60 states and 73 transitions. Second operand 26 states. [2018-01-23 14:46:58,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:58,006 INFO L93 Difference]: Finished difference Result 133 states and 160 transitions. [2018-01-23 14:46:58,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-01-23 14:46:58,006 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 25 [2018-01-23 14:46:58,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:58,007 INFO L225 Difference]: With dead ends: 133 [2018-01-23 14:46:58,007 INFO L226 Difference]: Without dead ends: 80 [2018-01-23 14:46:58,008 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=268, Invalid=1064, Unknown=0, NotChecked=0, Total=1332 [2018-01-23 14:46:58,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-01-23 14:46:58,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 61. [2018-01-23 14:46:58,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-01-23 14:46:58,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2018-01-23 14:46:58,013 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 75 transitions. Word has length 25 [2018-01-23 14:46:58,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:58,013 INFO L432 AbstractCegarLoop]: Abstraction has 61 states and 75 transitions. [2018-01-23 14:46:58,013 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-01-23 14:46:58,014 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2018-01-23 14:46:58,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-23 14:46:58,014 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:58,014 INFO L322 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:58,014 INFO L371 AbstractCegarLoop]: === Iteration 11 === [ldv_zallocErr0EnsuresViolation]=== [2018-01-23 14:46:58,014 INFO L82 PathProgramCache]: Analyzing trace with hash 135789777, now seen corresponding path program 10 times [2018-01-23 14:46:58,014 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:58,014 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:58,016 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:58,016 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-23 14:46:58,016 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:58,033 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:58,262 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:58,262 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:46:58,269 INFO L101 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-01-23 14:46:58,562 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-23 14:46:58,564 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:58,707 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:58,730 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:46:58,730 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 28 [2018-01-23 14:46:58,731 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-01-23 14:46:58,731 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-01-23 14:46:58,731 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=591, Unknown=0, NotChecked=0, Total=756 [2018-01-23 14:46:58,731 INFO L87 Difference]: Start difference. First operand 61 states and 75 transitions. Second operand 28 states. [2018-01-23 14:46:59,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:46:59,134 INFO L93 Difference]: Finished difference Result 137 states and 166 transitions. [2018-01-23 14:46:59,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-01-23 14:46:59,134 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 26 [2018-01-23 14:46:59,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:46:59,135 INFO L225 Difference]: With dead ends: 137 [2018-01-23 14:46:59,135 INFO L226 Difference]: Without dead ends: 83 [2018-01-23 14:46:59,136 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=379, Invalid=1181, Unknown=0, NotChecked=0, Total=1560 [2018-01-23 14:46:59,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-01-23 14:46:59,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 62. [2018-01-23 14:46:59,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-01-23 14:46:59,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 77 transitions. [2018-01-23 14:46:59,142 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 77 transitions. Word has length 26 [2018-01-23 14:46:59,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:46:59,143 INFO L432 AbstractCegarLoop]: Abstraction has 62 states and 77 transitions. [2018-01-23 14:46:59,143 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-01-23 14:46:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2018-01-23 14:46:59,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-23 14:46:59,143 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:46:59,143 INFO L322 BasicCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:46:59,144 INFO L371 AbstractCegarLoop]: === Iteration 12 === [ldv_zallocErr0EnsuresViolation]=== [2018-01-23 14:46:59,144 INFO L82 PathProgramCache]: Analyzing trace with hash -147271634, now seen corresponding path program 11 times [2018-01-23 14:46:59,144 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:46:59,144 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:46:59,144 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:59,145 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-23 14:46:59,145 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:46:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:46:59,155 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:46:59,408 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:59,408 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:46:59,408 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:46:59,413 INFO L101 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-01-23 14:46:59,419 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:46:59,421 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:46:59,425 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:46:59,438 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:46:59,470 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:46:59,508 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:46:59,738 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:46:59,742 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-23 14:46:59,744 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:46:59,898 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:46:59,920 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:46:59,920 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 30 [2018-01-23 14:46:59,920 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-01-23 14:46:59,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-01-23 14:46:59,921 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2018-01-23 14:46:59,921 INFO L87 Difference]: Start difference. First operand 62 states and 77 transitions. Second operand 30 states. [2018-01-23 14:47:00,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:00,468 INFO L93 Difference]: Finished difference Result 141 states and 172 transitions. [2018-01-23 14:47:00,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-01-23 14:47:00,469 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 27 [2018-01-23 14:47:00,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:00,469 INFO L225 Difference]: With dead ends: 141 [2018-01-23 14:47:00,469 INFO L226 Difference]: Without dead ends: 86 [2018-01-23 14:47:00,470 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=357, Invalid=1449, Unknown=0, NotChecked=0, Total=1806 [2018-01-23 14:47:00,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-01-23 14:47:00,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 63. [2018-01-23 14:47:00,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-01-23 14:47:00,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2018-01-23 14:47:00,474 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 27 [2018-01-23 14:47:00,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:00,475 INFO L432 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2018-01-23 14:47:00,475 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-01-23 14:47:00,475 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2018-01-23 14:47:00,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-01-23 14:47:00,475 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:00,475 INFO L322 BasicCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:00,475 INFO L371 AbstractCegarLoop]: === Iteration 13 === [ldv_zallocErr0EnsuresViolation]=== [2018-01-23 14:47:00,475 INFO L82 PathProgramCache]: Analyzing trace with hash -332240783, now seen corresponding path program 12 times [2018-01-23 14:47:00,475 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:00,476 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:00,476 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:00,476 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-23 14:47:00,477 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:47:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:47:00,524 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:47:00,528 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:00,531 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:00,540 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:00,540 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:00,541 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:00,541 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:00,541 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:00,541 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:00,541 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:00,541 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_nonpositiveErr0EnsuresViolation======== [2018-01-23 14:47:00,541 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:00,542 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-01-23 14:47:00,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-01-23 14:47:00,544 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:00,544 INFO L322 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:00,544 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_nonpositiveErr0EnsuresViolation]=== [2018-01-23 14:47:00,544 INFO L82 PathProgramCache]: Analyzing trace with hash -2015359853, now seen corresponding path program 1 times [2018-01-23 14:47:00,544 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:00,545 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:00,545 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:00,546 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:00,546 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:00,555 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:00,601 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-01-23 14:47:00,602 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:47:00,602 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:47:00,616 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:00,666 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:47:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-01-23 14:47:00,710 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-23 14:47:00,710 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [4] total 4 [2018-01-23 14:47:00,710 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:47:00,711 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:47:00,711 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:47:00,711 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 4 states. [2018-01-23 14:47:00,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:00,782 INFO L93 Difference]: Finished difference Result 145 states and 159 transitions. [2018-01-23 14:47:00,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:47:00,783 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 86 [2018-01-23 14:47:00,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:00,783 INFO L225 Difference]: With dead ends: 145 [2018-01-23 14:47:00,783 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:47:00,784 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:47:00,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:47:00,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:47:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:47:00,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:47:00,785 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2018-01-23 14:47:00,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:00,785 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:47:00,785 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:47:00,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:47:00,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:47:00,787 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:00,787 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:00,787 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:00,787 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:00,787 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:00,787 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:00,787 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:00,788 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_hid_get_drvdataErr0EnsuresViolation======== [2018-01-23 14:47:00,788 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:00,789 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-01-23 14:47:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-01-23 14:47:00,790 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:00,791 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:00,791 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_hid_get_drvdataErr0EnsuresViolation]=== [2018-01-23 14:47:00,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1083740963, now seen corresponding path program 1 times [2018-01-23 14:47:00,791 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:00,791 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:00,792 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:00,792 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:00,792 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:00,802 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:00,882 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-01-23 14:47:00,883 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:47:00,883 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:47:00,890 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:00,960 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:47:00,970 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-01-23 14:47:01,005 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-23 14:47:01,006 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [4] total 4 [2018-01-23 14:47:01,006 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:47:01,006 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:47:01,006 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:47:01,007 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 4 states. [2018-01-23 14:47:01,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:01,043 INFO L93 Difference]: Finished difference Result 145 states and 159 transitions. [2018-01-23 14:47:01,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:47:01,043 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-01-23 14:47:01,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:01,044 INFO L225 Difference]: With dead ends: 145 [2018-01-23 14:47:01,044 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:47:01,044 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:47:01,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:47:01,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:47:01,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:47:01,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:47:01,045 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2018-01-23 14:47:01,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:01,046 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:47:01,046 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:47:01,046 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:47:01,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:47:01,048 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:01,048 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:01,048 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:01,048 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:01,048 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:01,048 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:01,048 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:01,048 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_dev_get_drvdataErr0EnsuresViolation======== [2018-01-23 14:47:01,048 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-01-23 14:47:01,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-01-23 14:47:01,052 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:01,052 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:01,052 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_dev_get_drvdataErr0EnsuresViolation]=== [2018-01-23 14:47:01,052 INFO L82 PathProgramCache]: Analyzing trace with hash 506217105, now seen corresponding path program 1 times [2018-01-23 14:47:01,053 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:01,053 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:01,054 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:01,054 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:01,054 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:01,065 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:01,110 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-01-23 14:47:01,110 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:47:01,110 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:47:01,127 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:01,178 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:47:01,203 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-01-23 14:47:01,224 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-23 14:47:01,225 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [4] total 4 [2018-01-23 14:47:01,225 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:47:01,225 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:47:01,225 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:47:01,226 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 4 states. [2018-01-23 14:47:01,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:01,272 INFO L93 Difference]: Finished difference Result 145 states and 159 transitions. [2018-01-23 14:47:01,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:47:01,273 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2018-01-23 14:47:01,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:01,274 INFO L225 Difference]: With dead ends: 145 [2018-01-23 14:47:01,274 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:47:01,274 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:47:01,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:47:01,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:47:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:47:01,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:47:01,275 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2018-01-23 14:47:01,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:01,275 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:47:01,275 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:47:01,276 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:47:01,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:47:01,277 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:01,277 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:01,277 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:01,277 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:01,277 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:01,278 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:01,278 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:01,278 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-23 14:47:01,278 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:01,279 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-01-23 14:47:01,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-01-23 14:47:01,280 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:01,280 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:01,280 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:47:01,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1086846894, now seen corresponding path program 1 times [2018-01-23 14:47:01,281 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:01,281 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:01,282 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:01,282 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:01,282 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:01,287 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:01,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:47:01,327 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:47:01,327 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:47:01,328 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:47:01,328 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:47:01,328 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-23 14:47:01,328 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 6 states. [2018-01-23 14:47:01,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:01,377 INFO L93 Difference]: Finished difference Result 144 states and 156 transitions. [2018-01-23 14:47:01,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-23 14:47:01,378 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-01-23 14:47:01,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:01,378 INFO L225 Difference]: With dead ends: 144 [2018-01-23 14:47:01,379 INFO L226 Difference]: Without dead ends: 120 [2018-01-23 14:47:01,379 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-23 14:47:01,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-01-23 14:47:01,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-01-23 14:47:01,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-01-23 14:47:01,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 132 transitions. [2018-01-23 14:47:01,386 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 132 transitions. Word has length 24 [2018-01-23 14:47:01,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:01,386 INFO L432 AbstractCegarLoop]: Abstraction has 120 states and 132 transitions. [2018-01-23 14:47:01,386 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:47:01,386 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 132 transitions. [2018-01-23 14:47:01,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-01-23 14:47:01,387 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:01,387 INFO L322 BasicCegarLoop]: trace histogram [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] [2018-01-23 14:47:01,387 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:47:01,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1005495187, now seen corresponding path program 1 times [2018-01-23 14:47:01,387 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:01,387 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:01,388 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:01,388 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:01,389 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:01,395 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:01,422 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-01-23 14:47:01,422 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:47:01,422 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:47:01,437 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:01,466 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:47:01,521 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-01-23 14:47:01,556 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-23 14:47:01,556 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 6 [2018-01-23 14:47:01,557 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:47:01,557 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:47:01,557 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-23 14:47:01,557 INFO L87 Difference]: Start difference. First operand 120 states and 132 transitions. Second operand 6 states. [2018-01-23 14:47:01,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:01,605 INFO L93 Difference]: Finished difference Result 129 states and 142 transitions. [2018-01-23 14:47:01,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:47:01,605 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2018-01-23 14:47:01,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:01,606 INFO L225 Difference]: With dead ends: 129 [2018-01-23 14:47:01,606 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:47:01,606 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-23 14:47:01,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:47:01,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:47:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:47:01,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:47:01,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-01-23 14:47:01,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:01,607 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:47:01,607 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:47:01,607 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:47:01,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:47:01,609 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:01,609 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:01,609 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:01,609 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:01,609 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:01,609 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:01,610 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:01,610 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == entry_pointErr0EnsuresViolation======== [2018-01-23 14:47:01,610 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:01,613 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-01-23 14:47:01,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-23 14:47:01,613 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:01,613 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:01,614 INFO L371 AbstractCegarLoop]: === Iteration 1 === [entry_pointErr0EnsuresViolation]=== [2018-01-23 14:47:01,614 INFO L82 PathProgramCache]: Analyzing trace with hash 437870893, now seen corresponding path program 1 times [2018-01-23 14:47:01,614 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:01,614 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:01,615 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:01,615 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:01,615 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:01,621 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:47:01,665 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:47:01,665 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:47:01,665 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:47:01,665 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:47:01,665 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-23 14:47:01,665 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 6 states. [2018-01-23 14:47:01,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:01,697 INFO L93 Difference]: Finished difference Result 144 states and 156 transitions. [2018-01-23 14:47:01,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-23 14:47:01,698 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-01-23 14:47:01,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:01,699 INFO L225 Difference]: With dead ends: 144 [2018-01-23 14:47:01,699 INFO L226 Difference]: Without dead ends: 116 [2018-01-23 14:47:01,699 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-23 14:47:01,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-01-23 14:47:01,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-01-23 14:47:01,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-01-23 14:47:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 128 transitions. [2018-01-23 14:47:01,706 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 128 transitions. Word has length 20 [2018-01-23 14:47:01,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:01,706 INFO L432 AbstractCegarLoop]: Abstraction has 116 states and 128 transitions. [2018-01-23 14:47:01,706 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:47:01,707 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 128 transitions. [2018-01-23 14:47:01,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-01-23 14:47:01,707 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:01,707 INFO L322 BasicCegarLoop]: trace histogram [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] [2018-01-23 14:47:01,707 INFO L371 AbstractCegarLoop]: === Iteration 2 === [entry_pointErr0EnsuresViolation]=== [2018-01-23 14:47:01,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1797326136, now seen corresponding path program 1 times [2018-01-23 14:47:01,708 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:01,708 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:01,709 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:01,709 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:01,709 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:01,715 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:01,732 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-01-23 14:47:01,732 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:47:01,732 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:47:01,745 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:01,770 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:47:01,778 WARN L1029 $PredicateComparison]: unable to prove that (exists ((|ldv_zalloc_#t~malloc1.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |ldv_zalloc_#t~malloc1.base| 1)) (<= (select |c_old(#valid)| |ldv_zalloc_#t~malloc1.base|) 0))) is different from true [2018-01-23 14:47:01,798 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:47:01,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 13 [2018-01-23 14:47:01,808 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:47:01,812 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:47:01,813 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-23 14:47:01,870 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-01-23 14:47:01,906 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-23 14:47:01,906 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 7 [2018-01-23 14:47:01,907 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-23 14:47:01,907 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-23 14:47:01,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=19, Unknown=2, NotChecked=8, Total=42 [2018-01-23 14:47:01,907 INFO L87 Difference]: Start difference. First operand 116 states and 128 transitions. Second operand 7 states. [2018-01-23 14:47:01,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:01,979 INFO L93 Difference]: Finished difference Result 125 states and 138 transitions. [2018-01-23 14:47:01,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:47:01,980 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2018-01-23 14:47:01,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:01,980 INFO L225 Difference]: With dead ends: 125 [2018-01-23 14:47:01,980 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:47:01,981 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=27, Unknown=2, NotChecked=10, Total=56 [2018-01-23 14:47:01,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:47:01,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:47:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:47:01,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:47:01,981 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-01-23 14:47:01,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:01,981 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:47:01,981 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-23 14:47:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:47:01,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:47:01,982 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:01,983 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:01,983 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:01,983 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:01,983 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:01,983 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:01,983 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:01,983 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_arvo_init_arvo_device_structErr0EnsuresViolation======== [2018-01-23 14:47:01,983 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:01,985 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-01-23 14:47:01,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-01-23 14:47:01,986 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:01,986 INFO L322 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:01,986 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_arvo_init_arvo_device_structErr0EnsuresViolation]=== [2018-01-23 14:47:01,987 INFO L82 PathProgramCache]: Analyzing trace with hash -237385611, now seen corresponding path program 1 times [2018-01-23 14:47:01,987 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:01,987 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:01,987 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:01,988 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:01,988 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:01,995 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:02,042 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-01-23 14:47:02,042 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:47:02,042 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:47:02,054 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:02,111 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:47:02,119 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-01-23 14:47:02,155 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-23 14:47:02,155 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [4] total 4 [2018-01-23 14:47:02,155 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:47:02,156 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:47:02,156 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:47:02,156 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 4 states. [2018-01-23 14:47:02,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:02,182 INFO L93 Difference]: Finished difference Result 145 states and 159 transitions. [2018-01-23 14:47:02,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:47:02,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-01-23 14:47:02,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:02,182 INFO L225 Difference]: With dead ends: 145 [2018-01-23 14:47:02,182 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:47:02,183 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:47:02,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:47:02,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:47:02,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:47:02,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:47:02,183 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2018-01-23 14:47:02,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:02,183 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:47:02,184 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:47:02,184 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:47:02,184 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:47:02,185 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:02,185 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:02,185 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:02,186 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:02,186 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:02,186 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:02,186 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:02,186 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_arvo_probe_unsafeErr0EnsuresViolation======== [2018-01-23 14:47:02,186 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:02,187 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-01-23 14:47:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-01-23 14:47:02,188 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:02,188 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:02,188 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_arvo_probe_unsafeErr0EnsuresViolation]=== [2018-01-23 14:47:02,188 INFO L82 PathProgramCache]: Analyzing trace with hash 143202533, now seen corresponding path program 1 times [2018-01-23 14:47:02,188 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:02,188 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:02,189 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:02,189 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:02,189 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:02,194 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-01-23 14:47:02,215 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:47:02,215 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:47:02,231 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:02,275 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:47:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-01-23 14:47:02,303 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-23 14:47:02,303 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2018-01-23 14:47:02,303 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:47:02,303 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:47:02,304 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:47:02,304 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 4 states. [2018-01-23 14:47:02,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:02,323 INFO L93 Difference]: Finished difference Result 145 states and 159 transitions. [2018-01-23 14:47:02,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:47:02,323 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 76 [2018-01-23 14:47:02,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:02,324 INFO L225 Difference]: With dead ends: 145 [2018-01-23 14:47:02,324 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:47:02,324 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:47:02,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:47:02,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:47:02,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:47:02,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:47:02,324 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2018-01-23 14:47:02,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:02,325 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:47:02,325 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:47:02,325 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:47:02,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:47:02,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.01 02:47:02 BoogieIcfgContainer [2018-01-23 14:47:02,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-23 14:47:02,329 INFO L168 Benchmark]: Toolchain (without parser) took 14205.41 ms. Allocated memory was 302.5 MB in the beginning and 604.0 MB in the end (delta: 301.5 MB). Free memory was 261.4 MB in the beginning and 312.0 MB in the end (delta: -50.6 MB). Peak memory consumption was 250.9 MB. Max. memory is 5.3 GB. [2018-01-23 14:47:02,330 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 302.5 MB. Free memory is still 267.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 14:47:02,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.57 ms. Allocated memory is still 302.5 MB. Free memory was 261.4 MB in the beginning and 245.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 5.3 GB. [2018-01-23 14:47:02,331 INFO L168 Benchmark]: Boogie Preprocessor took 45.95 ms. Allocated memory is still 302.5 MB. Free memory was 245.4 MB in the beginning and 243.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:47:02,331 INFO L168 Benchmark]: RCFGBuilder took 453.03 ms. Allocated memory is still 302.5 MB. Free memory was 243.4 MB in the beginning and 210.4 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 5.3 GB. [2018-01-23 14:47:02,332 INFO L168 Benchmark]: TraceAbstraction took 13444.12 ms. Allocated memory was 302.5 MB in the beginning and 604.0 MB in the end (delta: 301.5 MB). Free memory was 210.4 MB in the beginning and 312.0 MB in the end (delta: -101.6 MB). Peak memory consumption was 199.9 MB. Max. memory is 5.3 GB. [2018-01-23 14:47:02,333 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 302.5 MB. Free memory is still 267.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 256.57 ms. Allocated memory is still 302.5 MB. Free memory was 261.4 MB in the beginning and 245.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 45.95 ms. Allocated memory is still 302.5 MB. Free memory was 245.4 MB in the beginning and 243.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 453.03 ms. Allocated memory is still 302.5 MB. Free memory was 243.4 MB in the beginning and 210.4 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 13444.12 ms. Allocated memory was 302.5 MB in the beginning and 604.0 MB in the end (delta: 301.5 MB). Free memory was 210.4 MB in the beginning and 312.0 MB in the end (delta: -101.6 MB). Peak memory consumption was 199.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1533]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 16 procedures, 135 locations, 15 error locations. SAFE Result, 0.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 149 SDtfs, 32 SDslu, 514 SDs, 0 SdLazy, 38 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 45 PreInvPairs, 45 NumberOfFragments, 53 HoareAnnotationTreeSize, 45 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 37 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 3934 SizeOfPredicates, 0 NumberOfNonLiveVariables, 165 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 14/20 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1483]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: lvd_arvo_remove_specialsErr0EnsuresViolation CFG has 16 procedures, 135 locations, 15 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 5 SDslu, 2 SDs, 0 SdLazy, 22 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 45 PreInvPairs, 45 NumberOfFragments, 48 HoareAnnotationTreeSize, 45 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 37 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 17864 SizeOfPredicates, 0 NumberOfNonLiveVariables, 395 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 48/60 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1460]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_arvo_init_specials_unsafeErr0EnsuresViolation CFG has 16 procedures, 135 locations, 15 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 5 SDslu, 2 SDs, 0 SdLazy, 22 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 45 PreInvPairs, 45 NumberOfFragments, 48 HoareAnnotationTreeSize, 45 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 37 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 12283 SizeOfPredicates, 0 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 48/60 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1504]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_arvo_removeErr0EnsuresViolation CFG has 16 procedures, 135 locations, 15 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 5 SDslu, 2 SDs, 0 SdLazy, 22 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 45 PreInvPairs, 45 NumberOfFragments, 48 HoareAnnotationTreeSize, 45 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 37 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 19350 SizeOfPredicates, 0 NumberOfNonLiveVariables, 397 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 48/60 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 16 procedures, 135 locations, 15 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, 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, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1196]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_dev_set_drvdataErr0EnsuresViolation CFG has 16 procedures, 135 locations, 15 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 5 SDslu, 2 SDs, 0 SdLazy, 22 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 9570 SizeOfPredicates, 0 NumberOfNonLiveVariables, 331 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 48/60 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1444]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_hid_set_drvdataErr0EnsuresViolation CFG has 16 procedures, 135 locations, 15 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 5 SDslu, 2 SDs, 0 SdLazy, 22 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 10132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 333 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 48/60 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1080]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1534] CALL entry_point() [L1509] CALL ldv_zalloc(sizeof(struct ldv_hid_device)) VAL [\old(size)=12] [L1081] EXPR, FCALL calloc(size, 1) VAL [\old(size)=12, calloc(size, 1)={14:0}, size=12] [L1081] EXPR, FCALL calloc(size, 1) VAL [\old(size)=12, calloc(size, 1)={14:0}, size=12] [L1081] return calloc(size, 1); VAL [\old(size)=12, \result={14:0}, calloc(size, 1)={14:0}, size=12] - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_zallocErr0EnsuresViolation CFG has 16 procedures, 135 locations, 15 error locations. UNSAFE Result, 9.1s OverallTime, 13 OverallIterations, 12 TraceHistogramMax, 3.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 626 SDtfs, 408 SDslu, 7118 SDs, 0 SdLazy, 3607 SolverSat, 173 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 471 GetRequests, 156 SyntacticMatches, 22 SemanticMatches, 293 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2049 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 144 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 528 NumberOfCodeBlocks, 528 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 54616 SizeOfPredicates, 33 NumberOfNonLiveVariables, 1375 ConjunctsInSsa, 226 ConjunctsInUnsatCore, 23 InterpolantComputations, 1 PerfectInterpolantSequences, 0/572 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1057]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_nonpositiveErr0EnsuresViolation CFG has 16 procedures, 135 locations, 15 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 4 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 5 SDslu, 2 SDs, 0 SdLazy, 22 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 15555 SizeOfPredicates, 0 NumberOfNonLiveVariables, 379 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 102/120 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1439]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_hid_get_drvdataErr0EnsuresViolation CFG has 16 procedures, 135 locations, 15 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 5 SDslu, 2 SDs, 0 SdLazy, 22 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 20079 SizeOfPredicates, 0 NumberOfNonLiveVariables, 431 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 48/60 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1191]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_dev_get_drvdataErr0EnsuresViolation CFG has 16 procedures, 135 locations, 15 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 5 SDslu, 2 SDs, 0 SdLazy, 22 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 18894 SizeOfPredicates, 0 NumberOfNonLiveVariables, 422 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 48/60 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 16 procedures, 135 locations, 15 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 149 SDtfs, 32 SDslu, 517 SDs, 0 SdLazy, 54 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 97 ConstructedInterpolants, 1 QuantifiedInterpolants, 6900 SizeOfPredicates, 4 NumberOfNonLiveVariables, 167 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 14/20 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1508]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: entry_pointErr0EnsuresViolation CFG has 16 procedures, 135 locations, 15 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 149 SDtfs, 34 SDslu, 517 SDs, 0 SdLazy, 50 SolverSat, 7 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 85 ConstructedInterpolants, 7 QuantifiedInterpolants, 5290 SizeOfPredicates, 3 NumberOfNonLiveVariables, 163 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 14/20 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1453]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_arvo_init_arvo_device_structErr0EnsuresViolation CFG has 16 procedures, 135 locations, 15 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 4 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 5 SDslu, 2 SDs, 0 SdLazy, 22 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 16632 SizeOfPredicates, 0 NumberOfNonLiveVariables, 386 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 102/120 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1493]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_arvo_probe_unsafeErr0EnsuresViolation CFG has 16 procedures, 135 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 5 SDslu, 2 SDs, 0 SdLazy, 22 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 14475 SizeOfPredicates, 0 NumberOfNonLiveVariables, 348 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 48/60 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - InvariantResult [Line: 1525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1474]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-23_14-47-02-347.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-23_14-47-02-347.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-23_14-47-02-347.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-23_14-47-02-347.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-23_14-47-02-347.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-23_14-47-02-347.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-23_14-47-02-347.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-23_14-47-02-347.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-23_14-47-02-347.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-23_14-47-02-347.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-23_14-47-02-347.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-23_14-47-02-347.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-23_14-47-02-347.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-23_14-47-02-347.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-23_14-47-02-347.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-14-2018-01-23_14-47-02-347.csv Received shutdown request...