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_Taipan+AI_EQ_mostprecise.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test15_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 03:30:25,539 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 03:30:25,541 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 03:30:25,558 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 03:30:25,559 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 03:30:25,560 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 03:30:25,561 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 03:30:25,563 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 03:30:25,564 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 03:30:25,565 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 03:30:25,566 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 03:30:25,566 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 03:30:25,567 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 03:30:25,569 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 03:30:25,570 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 03:30:25,572 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 03:30:25,574 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 03:30:25,577 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 03:30:25,578 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 03:30:25,579 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 03:30:25,582 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 03:30:25,587 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 03:30:25,588 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 03:30:25,588 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf [2018-01-21 03:30:25,598 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 03:30:25,598 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 03:30:25,599 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 03:30:25,600 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 03:30:25,600 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 03:30:25,600 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 03:30:25,600 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 03:30:25,600 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 03:30:25,601 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 03:30:25,601 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 03:30:25,602 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 03:30:25,602 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 03:30:25,602 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 03:30:25,602 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 03:30:25,602 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 03:30:25,603 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 03:30:25,603 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 03:30:25,603 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 03:30:25,603 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 03:30:25,603 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 03:30:25,603 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 03:30:25,604 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 03:30:25,604 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 03:30:25,604 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 03:30:25,604 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 03:30:25,605 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 03:30:25,605 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 03:30:25,605 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 03:30:25,605 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 03:30:25,605 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 03:30:25,606 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 03:30:25,606 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 03:30:25,606 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 03:30:25,606 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 03:30:25,606 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 03:30:25,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 03:30:25,607 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 03:30:25,607 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 03:30:25,608 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 03:30:25,608 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 03:30:25,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 03:30:25,654 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 03:30:25,658 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 03:30:25,659 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 03:30:25,660 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 03:30:25,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test15_true-valid-memsafety_true-termination.i [2018-01-21 03:30:25,858 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 03:30:25,863 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 03:30:25,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 03:30:25,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 03:30:25,871 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 03:30:25,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 03:30:25" (1/1) ... [2018-01-21 03:30:25,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ce31117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:30:25, skipping insertion in model container [2018-01-21 03:30:25,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 03:30:25" (1/1) ... [2018-01-21 03:30:25,897 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 03:30:25,964 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 03:30:26,119 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 03:30:26,162 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 03:30:26,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:30:26 WrapperNode [2018-01-21 03:30:26,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 03:30:26,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 03:30:26,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 03:30:26,179 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 03:30:26,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:30:26" (1/1) ... [2018-01-21 03:30:26,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:30:26" (1/1) ... [2018-01-21 03:30:26,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:30:26" (1/1) ... [2018-01-21 03:30:26,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:30:26" (1/1) ... [2018-01-21 03:30:26,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:30:26" (1/1) ... [2018-01-21 03:30:26,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:30:26" (1/1) ... [2018-01-21 03:30:26,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:30:26" (1/1) ... [2018-01-21 03:30:26,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 03:30:26,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 03:30:26,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 03:30:26,229 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 03:30:26,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:30:26" (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 [2018-01-21 03:30:26,280 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 03:30:26,280 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 03:30:26,281 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-01-21 03:30:26,281 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-21 03:30:26,281 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-01-21 03:30:26,281 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-01-21 03:30:26,281 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-01-21 03:30:26,281 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_hid_get_drvdata [2018-01-21 03:30:26,281 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_hid_set_drvdata [2018-01-21 03:30:26,281 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_arvo_device_struct [2018-01-21 03:30:26,281 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_specials [2018-01-21 03:30:26,282 INFO L136 BoogieDeclarations]: Found implementation of procedure lvd_arvo_remove_specials [2018-01-21 03:30:26,282 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_probe [2018-01-21 03:30:26,282 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_remove [2018-01-21 03:30:26,282 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-21 03:30:26,282 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 03:30:26,282 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 03:30:26,283 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 03:30:26,283 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 03:30:26,283 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 03:30:26,283 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 03:30:26,283 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 03:30:26,283 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 03:30:26,284 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-01-21 03:30:26,284 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-01-21 03:30:26,284 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 03:30:26,284 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-01-21 03:30:26,284 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 03:30:26,284 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 03:30:26,284 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-01-21 03:30:26,285 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-21 03:30:26,285 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-01-21 03:30:26,285 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-01-21 03:30:26,285 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-01-21 03:30:26,285 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_hid_get_drvdata [2018-01-21 03:30:26,285 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_hid_set_drvdata [2018-01-21 03:30:26,285 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_arvo_device_struct [2018-01-21 03:30:26,286 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_specials [2018-01-21 03:30:26,286 INFO L128 BoogieDeclarations]: Found specification of procedure lvd_arvo_remove_specials [2018-01-21 03:30:26,286 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_probe [2018-01-21 03:30:26,286 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_remove [2018-01-21 03:30:26,286 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-21 03:30:26,286 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 03:30:26,286 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 03:30:26,287 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 03:30:26,784 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 03:30:26,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 03:30:26 BoogieIcfgContainer [2018-01-21 03:30:26,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 03:30:26,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 03:30:26,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 03:30:26,789 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 03:30:26,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 03:30:25" (1/3) ... [2018-01-21 03:30:26,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c67896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 03:30:26, skipping insertion in model container [2018-01-21 03:30:26,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:30:26" (2/3) ... [2018-01-21 03:30:26,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c67896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 03:30:26, skipping insertion in model container [2018-01-21 03:30:26,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 03:30:26" (3/3) ... [2018-01-21 03:30:26,793 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test15_true-valid-memsafety_true-termination.i [2018-01-21 03:30:26,802 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 03:30:26,810 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2018-01-21 03:30:26,851 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:30:26,851 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:30:26,851 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:30:26,851 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:30:26,851 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:30:26,852 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:30:26,852 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:30:26,852 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 03:30:26,852 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:30:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2018-01-21 03:30:26,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-21 03:30:26,891 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:30:26,892 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:30:26,892 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 03:30:26,897 INFO L82 PathProgramCache]: Analyzing trace with hash -98013340, now seen corresponding path program 1 times [2018-01-21 03:30:26,899 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:30:26,949 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:30:26,949 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:30:26,949 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:30:26,949 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:30:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:30:27,018 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:30:27,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:30:27,113 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:30:27,113 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:30:27,114 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:30:27,201 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:30:27,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:30:27,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:30:27,221 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 3 states. [2018-01-21 03:30:27,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:30:27,451 INFO L93 Difference]: Finished difference Result 154 states and 168 transitions. [2018-01-21 03:30:27,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:30:27,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-01-21 03:30:27,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:30:27,459 INFO L225 Difference]: With dead ends: 154 [2018-01-21 03:30:27,459 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:30:27,463 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:30:27,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:30:27,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:30:27,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:30:27,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:30:27,484 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-01-21 03:30:27,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:30:27,485 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:30:27,485 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:30:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:30:27,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:30:27,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:30:27,628 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1533 1535) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,628 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1533 1535) no Hoare annotation was computed. [2018-01-21 03:30:27,628 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1533 1535) no Hoare annotation was computed. [2018-01-21 03:30:27,629 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1533 1535) no Hoare annotation was computed. [2018-01-21 03:30:27,629 INFO L401 ceAbstractionStarter]: For program point L1490(line 1490) no Hoare annotation was computed. [2018-01-21 03:30:27,629 INFO L401 ceAbstractionStarter]: For program point L1486'(line 1486) no Hoare annotation was computed. [2018-01-21 03:30:27,629 INFO L401 ceAbstractionStarter]: For program point L1486''(line 1486) no Hoare annotation was computed. [2018-01-21 03:30:27,629 INFO L397 ceAbstractionStarter]: At program point lvd_arvo_remove_specialsENTRY(lines 1483 1491) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,629 INFO L401 ceAbstractionStarter]: For program point L1484'(line 1484) no Hoare annotation was computed. [2018-01-21 03:30:27,629 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsFINAL(lines 1483 1491) no Hoare annotation was computed. [2018-01-21 03:30:27,630 INFO L401 ceAbstractionStarter]: For program point L1486(line 1486) no Hoare annotation was computed. [2018-01-21 03:30:27,630 INFO L401 ceAbstractionStarter]: For program point L1489'(line 1489) no Hoare annotation was computed. [2018-01-21 03:30:27,630 INFO L401 ceAbstractionStarter]: For program point L1484(line 1484) no Hoare annotation was computed. [2018-01-21 03:30:27,630 INFO L397 ceAbstractionStarter]: At program point L1489(line 1489) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,630 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsErr0EnsuresViolation(lines 1483 1491) no Hoare annotation was computed. [2018-01-21 03:30:27,630 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsEXIT(lines 1483 1491) no Hoare annotation was computed. [2018-01-21 03:30:27,630 INFO L397 ceAbstractionStarter]: At program point L1505(line 1505) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,631 INFO L397 ceAbstractionStarter]: At program point ldv_arvo_removeENTRY(lines 1504 1506) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,631 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeFINAL(lines 1504 1506) no Hoare annotation was computed. [2018-01-21 03:30:27,631 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeErr0EnsuresViolation(lines 1504 1506) no Hoare annotation was computed. [2018-01-21 03:30:27,631 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeEXIT(lines 1504 1506) no Hoare annotation was computed. [2018-01-21 03:30:27,631 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,631 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:30:27,631 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:30:27,632 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:30:27,632 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:30:27,632 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:30:27,632 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:30:27,632 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1535) no Hoare annotation was computed. [2018-01-21 03:30:27,632 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1535) no Hoare annotation was computed. [2018-01-21 03:30:27,632 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1535) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,633 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1535) no Hoare annotation was computed. [2018-01-21 03:30:27,633 INFO L401 ceAbstractionStarter]: For program point L1463'(line 1463) no Hoare annotation was computed. [2018-01-21 03:30:27,633 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specialsErr0EnsuresViolation(lines 1460 1481) no Hoare annotation was computed. [2018-01-21 03:30:27,635 INFO L401 ceAbstractionStarter]: For program point L1465'(line 1465) no Hoare annotation was computed. [2018-01-21 03:30:27,635 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specialsFINAL(lines 1460 1481) no Hoare annotation was computed. [2018-01-21 03:30:27,635 INFO L397 ceAbstractionStarter]: At program point ldv_arvo_init_specialsENTRY(lines 1460 1481) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,635 INFO L397 ceAbstractionStarter]: At program point L1476(line 1476) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,635 INFO L397 ceAbstractionStarter]: At program point L1474(line 1474) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,635 INFO L397 ceAbstractionStarter]: At program point L1472(line 1472) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,636 INFO L401 ceAbstractionStarter]: For program point L1473(lines 1473 1475) no Hoare annotation was computed. [2018-01-21 03:30:27,636 INFO L401 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2018-01-21 03:30:27,636 INFO L401 ceAbstractionStarter]: For program point L1464''(line 1464) no Hoare annotation was computed. [2018-01-21 03:30:27,636 INFO L401 ceAbstractionStarter]: For program point L1464'(line 1464) no Hoare annotation was computed. [2018-01-21 03:30:27,636 INFO L401 ceAbstractionStarter]: For program point L1476'(line 1476) no Hoare annotation was computed. [2018-01-21 03:30:27,636 INFO L401 ceAbstractionStarter]: For program point L1472'(line 1472) no Hoare annotation was computed. [2018-01-21 03:30:27,636 INFO L397 ceAbstractionStarter]: At program point L1465(line 1465) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,637 INFO L401 ceAbstractionStarter]: For program point L1463(line 1463) no Hoare annotation was computed. [2018-01-21 03:30:27,637 INFO L401 ceAbstractionStarter]: For program point L1464(line 1464) no Hoare annotation was computed. [2018-01-21 03:30:27,637 INFO L401 ceAbstractionStarter]: For program point L1468'(line 1468) no Hoare annotation was computed. [2018-01-21 03:30:27,637 INFO L401 ceAbstractionStarter]: For program point L1469(lines 1469 1471) no Hoare annotation was computed. [2018-01-21 03:30:27,637 INFO L397 ceAbstractionStarter]: At program point L1468(line 1468) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,637 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specialsEXIT(lines 1460 1481) no Hoare annotation was computed. [2018-01-21 03:30:27,637 INFO L404 ceAbstractionStarter]: At program point ldv_dev_set_drvdataENTRY(lines 1196 1199) the Hoare annotation is: true [2018-01-21 03:30:27,638 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataEXIT(lines 1196 1199) no Hoare annotation was computed. [2018-01-21 03:30:27,638 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataFINAL(lines 1196 1199) no Hoare annotation was computed. [2018-01-21 03:30:27,638 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataErr0EnsuresViolation(lines 1196 1199) no Hoare annotation was computed. [2018-01-21 03:30:27,640 INFO L401 ceAbstractionStarter]: For program point L1198(line 1198) no Hoare annotation was computed. [2018-01-21 03:30:27,640 INFO L404 ceAbstractionStarter]: At program point ldv_hid_set_drvdataENTRY(lines 1444 1447) the Hoare annotation is: true [2018-01-21 03:30:27,641 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataEXIT(lines 1444 1447) no Hoare annotation was computed. [2018-01-21 03:30:27,641 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataErr0EnsuresViolation(lines 1444 1447) no Hoare annotation was computed. [2018-01-21 03:30:27,641 INFO L404 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: true [2018-01-21 03:30:27,641 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataFINAL(lines 1444 1447) no Hoare annotation was computed. [2018-01-21 03:30:27,641 INFO L401 ceAbstractionStarter]: For program point L1081(line 1081) no Hoare annotation was computed. [2018-01-21 03:30:27,641 INFO L401 ceAbstractionStarter]: For program point L1081''(line 1081) no Hoare annotation was computed. [2018-01-21 03:30:27,641 INFO L401 ceAbstractionStarter]: For program point ldv_zallocEXIT(lines 1080 1082) no Hoare annotation was computed. [2018-01-21 03:30:27,641 INFO L401 ceAbstractionStarter]: For program point ldv_zallocErr0EnsuresViolation(lines 1080 1082) no Hoare annotation was computed. [2018-01-21 03:30:27,642 INFO L404 ceAbstractionStarter]: At program point L1081'(line 1081) the Hoare annotation is: true [2018-01-21 03:30:27,642 INFO L397 ceAbstractionStarter]: At program point ldv_zallocENTRY(lines 1080 1082) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,642 INFO L401 ceAbstractionStarter]: For program point ldv_zallocFINAL(lines 1080 1082) no Hoare annotation was computed. [2018-01-21 03:30:27,642 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveFINAL(lines 1057 1061) no Hoare annotation was computed. [2018-01-21 03:30:27,642 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveErr0EnsuresViolation(lines 1057 1061) no Hoare annotation was computed. [2018-01-21 03:30:27,642 INFO L401 ceAbstractionStarter]: For program point L1059(lines 1059 1060) no Hoare annotation was computed. [2018-01-21 03:30:27,642 INFO L404 ceAbstractionStarter]: At program point ldv_nonpositiveENTRY(lines 1057 1061) the Hoare annotation is: true [2018-01-21 03:30:27,643 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveEXIT(lines 1057 1061) no Hoare annotation was computed. [2018-01-21 03:30:27,643 INFO L401 ceAbstractionStarter]: For program point L1441'(line 1441) no Hoare annotation was computed. [2018-01-21 03:30:27,643 INFO L404 ceAbstractionStarter]: At program point ldv_hid_get_drvdataENTRY(lines 1439 1442) the Hoare annotation is: true [2018-01-21 03:30:27,643 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataFINAL(lines 1439 1442) no Hoare annotation was computed. [2018-01-21 03:30:27,643 INFO L404 ceAbstractionStarter]: At program point L1441(line 1441) the Hoare annotation is: true [2018-01-21 03:30:27,643 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataErr0EnsuresViolation(lines 1439 1442) no Hoare annotation was computed. [2018-01-21 03:30:27,643 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataEXIT(lines 1439 1442) no Hoare annotation was computed. [2018-01-21 03:30:27,644 INFO L404 ceAbstractionStarter]: At program point ldv_dev_get_drvdataENTRY(lines 1191 1194) the Hoare annotation is: true [2018-01-21 03:30:27,644 INFO L401 ceAbstractionStarter]: For program point L1193(line 1193) no Hoare annotation was computed. [2018-01-21 03:30:27,644 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataEXIT(lines 1191 1194) no Hoare annotation was computed. [2018-01-21 03:30:27,645 INFO L401 ceAbstractionStarter]: For program point L1193'(line 1193) no Hoare annotation was computed. [2018-01-21 03:30:27,645 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataFINAL(lines 1191 1194) no Hoare annotation was computed. [2018-01-21 03:30:27,645 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataErr0EnsuresViolation(lines 1191 1194) no Hoare annotation was computed. [2018-01-21 03:30:27,646 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1535) the Hoare annotation is: true [2018-01-21 03:30:27,646 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1535) no Hoare annotation was computed. [2018-01-21 03:30:27,646 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1535) the Hoare annotation is: true [2018-01-21 03:30:27,646 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1535) no Hoare annotation was computed. [2018-01-21 03:30:27,646 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1535) no Hoare annotation was computed. [2018-01-21 03:30:27,646 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:30:27,646 INFO L401 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:30:27,646 INFO L404 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:30:27,647 INFO L401 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:30:27,647 INFO L397 ceAbstractionStarter]: At program point ldv_arvo_probeENTRY(lines 1493 1502) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,647 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probeErr0EnsuresViolation(lines 1493 1502) no Hoare annotation was computed. [2018-01-21 03:30:27,647 INFO L401 ceAbstractionStarter]: For program point L1495'(line 1495) no Hoare annotation was computed. [2018-01-21 03:30:27,647 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probeFINAL(lines 1493 1502) no Hoare annotation was computed. [2018-01-21 03:30:27,647 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probeEXIT(lines 1493 1502) no Hoare annotation was computed. [2018-01-21 03:30:27,647 INFO L401 ceAbstractionStarter]: For program point L1496(lines 1496 1498) no Hoare annotation was computed. [2018-01-21 03:30:27,647 INFO L397 ceAbstractionStarter]: At program point L1497(line 1497) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,648 INFO L397 ceAbstractionStarter]: At program point L1495(line 1495) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,648 INFO L401 ceAbstractionStarter]: For program point L1510(line 1510) no Hoare annotation was computed. [2018-01-21 03:30:27,648 INFO L401 ceAbstractionStarter]: For program point L1516'(line 1516) no Hoare annotation was computed. [2018-01-21 03:30:27,648 INFO L401 ceAbstractionStarter]: For program point L1513''(line 1513) no Hoare annotation was computed. [2018-01-21 03:30:27,648 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1508 1531) no Hoare annotation was computed. [2018-01-21 03:30:27,648 INFO L401 ceAbstractionStarter]: For program point L1516''(line 1516) no Hoare annotation was computed. [2018-01-21 03:30:27,648 INFO L401 ceAbstractionStarter]: For program point L1524'(line 1524) no Hoare annotation was computed. [2018-01-21 03:30:27,648 INFO L401 ceAbstractionStarter]: For program point L1514'(line 1514) no Hoare annotation was computed. [2018-01-21 03:30:27,649 INFO L401 ceAbstractionStarter]: For program point L1517(line 1517) no Hoare annotation was computed. [2018-01-21 03:30:27,649 INFO L401 ceAbstractionStarter]: For program point L1516(line 1516) no Hoare annotation was computed. [2018-01-21 03:30:27,649 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1508 1531) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,651 INFO L397 ceAbstractionStarter]: At program point L1513(line 1513) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,651 INFO L401 ceAbstractionStarter]: For program point L1514(line 1514) no Hoare annotation was computed. [2018-01-21 03:30:27,651 INFO L397 ceAbstractionStarter]: At program point L1511(line 1511) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,651 INFO L401 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2018-01-21 03:30:27,651 INFO L401 ceAbstractionStarter]: For program point L1519(line 1519) no Hoare annotation was computed. [2018-01-21 03:30:27,651 INFO L397 ceAbstractionStarter]: At program point L1520(line 1520) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,651 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1508 1531) no Hoare annotation was computed. [2018-01-21 03:30:27,652 INFO L397 ceAbstractionStarter]: At program point L1517'(line 1517) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:30:27,652 INFO L401 ceAbstractionStarter]: For program point L1511'(line 1511) no Hoare annotation was computed. [2018-01-21 03:30:27,652 INFO L401 ceAbstractionStarter]: For program point L1513'(line 1513) no Hoare annotation was computed. [2018-01-21 03:30:27,652 INFO L404 ceAbstractionStarter]: At program point L1528(line 1528) the Hoare annotation is: true [2018-01-21 03:30:27,652 INFO L404 ceAbstractionStarter]: At program point L1526(line 1526) the Hoare annotation is: true [2018-01-21 03:30:27,652 INFO L401 ceAbstractionStarter]: For program point L1519'(lines 1519 1521) no Hoare annotation was computed. [2018-01-21 03:30:27,652 INFO L401 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2018-01-21 03:30:27,652 INFO L401 ceAbstractionStarter]: For program point L1516'''(line 1516) no Hoare annotation was computed. [2018-01-21 03:30:27,653 INFO L404 ceAbstractionStarter]: At program point L1525(lines 1525 1526) the Hoare annotation is: true [2018-01-21 03:30:27,653 INFO L401 ceAbstractionStarter]: For program point L1523(lines 1523 1524) no Hoare annotation was computed. [2018-01-21 03:30:27,653 INFO L401 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2018-01-21 03:30:27,653 INFO L401 ceAbstractionStarter]: For program point L1454'(line 1454) no Hoare annotation was computed. [2018-01-21 03:30:27,653 INFO L401 ceAbstractionStarter]: For program point L1455'(line 1455) no Hoare annotation was computed. [2018-01-21 03:30:27,653 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_init_arvo_device_structENTRY(lines 1453 1458) the Hoare annotation is: true [2018-01-21 03:30:27,653 INFO L401 ceAbstractionStarter]: For program point L1456(line 1456) no Hoare annotation was computed. [2018-01-21 03:30:27,653 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structFINAL(lines 1453 1458) no Hoare annotation was computed. [2018-01-21 03:30:27,654 INFO L404 ceAbstractionStarter]: At program point L1457(line 1457) the Hoare annotation is: true [2018-01-21 03:30:27,654 INFO L401 ceAbstractionStarter]: For program point L1454(line 1454) no Hoare annotation was computed. [2018-01-21 03:30:27,654 INFO L401 ceAbstractionStarter]: For program point L1455(line 1455) no Hoare annotation was computed. [2018-01-21 03:30:27,654 INFO L401 ceAbstractionStarter]: For program point L1456'(line 1456) no Hoare annotation was computed. [2018-01-21 03:30:27,654 INFO L401 ceAbstractionStarter]: For program point L1457'(line 1457) no Hoare annotation was computed. [2018-01-21 03:30:27,654 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structEXIT(lines 1453 1458) no Hoare annotation was computed. [2018-01-21 03:30:27,654 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structErr0EnsuresViolation(lines 1453 1458) no Hoare annotation was computed. [2018-01-21 03:30:27,663 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:30:27,663 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:30:27,663 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:30:27,663 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:30:27,664 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:30:27,664 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:30:27,664 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:30:27,664 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == lvd_arvo_remove_specialsErr0EnsuresViolation======== [2018-01-21 03:30:27,664 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:30:27,668 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2018-01-21 03:30:27,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-01-21 03:30:27,676 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:30:27,677 INFO L322 BasicCegarLoop]: trace histogram [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] [2018-01-21 03:30:27,677 INFO L371 AbstractCegarLoop]: === Iteration 1 === [lvd_arvo_remove_specialsErr0EnsuresViolation]=== [2018-01-21 03:30:27,677 INFO L82 PathProgramCache]: Analyzing trace with hash -930138460, now seen corresponding path program 1 times [2018-01-21 03:30:27,677 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:30:27,680 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:30:27,680 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:30:27,680 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:30:27,681 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:30:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:30:27,718 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:30:27,907 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-01-21 03:30:27,908 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 03:30:27,908 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 03:30:27,909 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 72 with the following transitions: [2018-01-21 03:30:27,916 INFO L201 CegarAbsIntRunner]: [3], [4], [5], [6], [7], [10], [16], [17], [19], [41], [43], [48], [50], [53], [58], [60], [65], [67], [68], [69], [74], [75], [76], [77], [78], [79], [81], [84], [99], [103], [109], [110], [112], [113], [115], [116], [117], [118], [119], [122], [124], [143], [145], [146], [147], [175], [179], [180], [183], [184], [185], [186], [187], [188], [189], [190], [191], [192], [193], [195], [197], [198], [207], [208], [209] [2018-01-21 03:30:27,981 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 03:30:27,982 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 03:30:28,155 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 03:30:28,157 INFO L268 AbstractInterpreter]: Visited 13 different actions 13 times. Never merged. Never widened. Never found a fixpoint. Largest state had 28 variables. [2018-01-21 03:30:28,185 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 03:30:28,310 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 56.67% of their original sizes. [2018-01-21 03:30:28,310 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 03:30:28,444 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 03:30:28,445 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-21 03:30:28,445 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 13 [2018-01-21 03:30:28,446 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:30:28,446 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-21 03:30:28,446 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-21 03:30:28,446 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-01-21 03:30:28,447 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 10 states. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown