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/svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test15_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 20:38:03,888 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 20:38:03,890 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 20:38:03,904 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 20:38:03,904 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 20:38:03,905 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 20:38:03,906 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 20:38:03,908 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 20:38:03,909 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 20:38:03,910 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 20:38:03,911 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 20:38:03,911 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 20:38:03,912 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 20:38:03,913 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 20:38:03,914 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 20:38:03,917 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 20:38:03,918 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 20:38:03,920 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 20:38:03,922 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 20:38:03,923 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 20:38:03,925 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 20:38:03,926 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 20:38:03,926 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 20:38:03,927 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 20:38:03,928 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 20:38:03,929 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 20:38:03,929 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 20:38:03,930 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 20:38:03,930 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 20:38:03,930 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 20:38:03,931 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 20:38:03,931 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf [2018-01-24 20:38:03,941 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 20:38:03,941 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 20:38:03,942 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 20:38:03,942 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 20:38:03,942 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 20:38:03,942 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-24 20:38:03,942 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 20:38:03,943 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-24 20:38:03,943 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 20:38:03,943 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 20:38:03,944 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 20:38:03,944 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 20:38:03,944 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 20:38:03,944 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 20:38:03,944 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 20:38:03,945 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 20:38:03,945 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 20:38:03,945 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 20:38:03,945 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 20:38:03,945 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 20:38:03,946 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 20:38:03,946 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 20:38:03,946 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 20:38:03,946 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 20:38:03,946 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 20:38:03,946 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 20:38:03,947 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 20:38:03,947 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 20:38:03,947 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 20:38:03,947 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 20:38:03,947 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-24 20:38:03,948 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 20:38:03,948 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 20:38:03,948 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 20:38:03,948 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-24 20:38:03,949 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 20:38:03,949 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 20:38:03,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 20:38:03,996 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 20:38:04,000 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 20:38:04,002 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 20:38:04,002 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 20:38:04,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test15_false-valid-memtrack.i [2018-01-24 20:38:04,207 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 20:38:04,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 20:38:04,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 20:38:04,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 20:38:04,221 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 20:38:04,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 08:38:04" (1/1) ... [2018-01-24 20:38:04,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d434187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:38:04, skipping insertion in model container [2018-01-24 20:38:04,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 08:38:04" (1/1) ... [2018-01-24 20:38:04,244 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 20:38:04,298 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 20:38:04,416 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 20:38:04,440 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 20:38:04,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:38:04 WrapperNode [2018-01-24 20:38:04,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 20:38:04,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 20:38:04,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 20:38:04,453 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 20:38:04,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:38:04" (1/1) ... [2018-01-24 20:38:04,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:38:04" (1/1) ... [2018-01-24 20:38:04,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:38:04" (1/1) ... [2018-01-24 20:38:04,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:38:04" (1/1) ... [2018-01-24 20:38:04,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:38:04" (1/1) ... [2018-01-24 20:38:04,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:38:04" (1/1) ... [2018-01-24 20:38:04,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:38:04" (1/1) ... [2018-01-24 20:38:04,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 20:38:04,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 20:38:04,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 20:38:04,495 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 20:38:04,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:38:04" (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 [2018-01-24 20:38:04,540 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 20:38:04,540 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 20:38:04,540 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-01-24 20:38:04,541 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-01-24 20:38:04,541 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-01-24 20:38:04,541 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-01-24 20:38:04,541 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_hid_get_drvdata [2018-01-24 20:38:04,541 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_hid_set_drvdata [2018-01-24 20:38:04,541 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_arvo_device_struct [2018-01-24 20:38:04,541 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_specials_unsafe [2018-01-24 20:38:04,541 INFO L136 BoogieDeclarations]: Found implementation of procedure lvd_arvo_remove_specials [2018-01-24 20:38:04,541 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_probe_unsafe [2018-01-24 20:38:04,541 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_remove [2018-01-24 20:38:04,542 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-24 20:38:04,542 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 20:38:04,542 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 20:38:04,542 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 20:38:04,542 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 20:38:04,542 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 20:38:04,543 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 20:38:04,543 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 20:38:04,543 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 20:38:04,543 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-01-24 20:38:04,543 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-01-24 20:38:04,543 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-01-24 20:38:04,544 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 20:38:04,544 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 20:38:04,544 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-01-24 20:38:04,544 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-01-24 20:38:04,544 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-01-24 20:38:04,544 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-01-24 20:38:04,545 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_hid_get_drvdata [2018-01-24 20:38:04,545 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_hid_set_drvdata [2018-01-24 20:38:04,545 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_arvo_device_struct [2018-01-24 20:38:04,545 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_specials_unsafe [2018-01-24 20:38:04,545 INFO L128 BoogieDeclarations]: Found specification of procedure lvd_arvo_remove_specials [2018-01-24 20:38:04,545 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_probe_unsafe [2018-01-24 20:38:04,545 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_remove [2018-01-24 20:38:04,546 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-24 20:38:04,546 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 20:38:04,546 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 20:38:04,546 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 20:38:05,047 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 20:38:05,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 08:38:05 BoogieIcfgContainer [2018-01-24 20:38:05,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 20:38:05,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-24 20:38:05,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-24 20:38:05,051 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-24 20:38:05,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 08:38:04" (1/3) ... [2018-01-24 20:38:05,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53652742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 08:38:05, skipping insertion in model container [2018-01-24 20:38:05,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:38:04" (2/3) ... [2018-01-24 20:38:05,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53652742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 08:38:05, skipping insertion in model container [2018-01-24 20:38:05,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 08:38:05" (3/3) ... [2018-01-24 20:38:05,056 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test15_false-valid-memtrack.i [2018-01-24 20:38:05,062 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-24 20:38:05,068 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations. [2018-01-24 20:38:05,119 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-24 20:38:05,119 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-24 20:38:05,119 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-24 20:38:05,119 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-24 20:38:05,120 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-24 20:38:05,120 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-24 20:38:05,120 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-24 20:38:05,120 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-24 20:38:05,121 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-24 20:38:05,145 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2018-01-24 20:38:05,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-24 20:38:05,152 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:38:05,153 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] [2018-01-24 20:38:05,154 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation, ldv_arvo_init_specials_unsafeErr3RequiresViolation, ldv_arvo_init_specials_unsafeErr1RequiresViolation, ldv_arvo_init_specials_unsafeErr5RequiresViolation, ldv_arvo_init_specials_unsafeErr4RequiresViolation, ldv_arvo_init_specials_unsafeErr2RequiresViolation, ldv_arvo_init_specials_unsafeErr0RequiresViolation, ldv_arvo_init_specials_unsafeErr6RequiresViolation, ldv_arvo_init_specials_unsafeErr7RequiresViolation]=== [2018-01-24 20:38:05,159 INFO L82 PathProgramCache]: Analyzing trace with hash 462743197, now seen corresponding path program 1 times [2018-01-24 20:38:05,162 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:38:05,213 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:38:05,213 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:38:05,213 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:38:05,213 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:38:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:38:05,274 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:38:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 20:38:05,479 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:38:05,513 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-24 20:38:05,513 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:38:05,516 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 20:38:05,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 20:38:05,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-24 20:38:05,528 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 6 states. [2018-01-24 20:38:05,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:38:05,604 INFO L93 Difference]: Finished difference Result 172 states and 184 transitions. [2018-01-24 20:38:05,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 20:38:05,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-01-24 20:38:05,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:38:05,615 INFO L225 Difference]: With dead ends: 172 [2018-01-24 20:38:05,615 INFO L226 Difference]: Without dead ends: 162 [2018-01-24 20:38:05,619 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 [2018-01-24 20:38:05,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-01-24 20:38:05,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-01-24 20:38:05,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-01-24 20:38:05,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 174 transitions. [2018-01-24 20:38:05,669 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 174 transitions. Word has length 22 [2018-01-24 20:38:05,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:38:05,670 INFO L432 AbstractCegarLoop]: Abstraction has 162 states and 174 transitions. [2018-01-24 20:38:05,670 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 20:38:05,671 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 174 transitions. [2018-01-24 20:38:05,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-01-24 20:38:05,672 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:38:05,672 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] [2018-01-24 20:38:05,673 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation, ldv_arvo_init_specials_unsafeErr3RequiresViolation, ldv_arvo_init_specials_unsafeErr1RequiresViolation, ldv_arvo_init_specials_unsafeErr5RequiresViolation, ldv_arvo_init_specials_unsafeErr4RequiresViolation, ldv_arvo_init_specials_unsafeErr2RequiresViolation, ldv_arvo_init_specials_unsafeErr0RequiresViolation, ldv_arvo_init_specials_unsafeErr6RequiresViolation, ldv_arvo_init_specials_unsafeErr7RequiresViolation]=== [2018-01-24 20:38:05,673 INFO L82 PathProgramCache]: Analyzing trace with hash -844495449, now seen corresponding path program 1 times [2018-01-24 20:38:05,673 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:38:05,675 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:38:05,675 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:38:05,675 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:38:05,675 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:38:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:38:05,698 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:38:05,821 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-01-24 20:38:05,821 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:38:05,821 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-24 20:38:05,822 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:38:05,823 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 20:38:05,823 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 20:38:05,823 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-24 20:38:05,824 INFO L87 Difference]: Start difference. First operand 162 states and 174 transitions. Second operand 6 states. [2018-01-24 20:38:05,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:38:05,952 INFO L93 Difference]: Finished difference Result 169 states and 180 transitions. [2018-01-24 20:38:05,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 20:38:05,952 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2018-01-24 20:38:05,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:38:05,955 INFO L225 Difference]: With dead ends: 169 [2018-01-24 20:38:05,955 INFO L226 Difference]: Without dead ends: 162 [2018-01-24 20:38:05,956 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 [2018-01-24 20:38:05,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-01-24 20:38:05,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-01-24 20:38:05,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-01-24 20:38:05,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 173 transitions. [2018-01-24 20:38:05,972 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 173 transitions. Word has length 33 [2018-01-24 20:38:05,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:38:05,972 INFO L432 AbstractCegarLoop]: Abstraction has 162 states and 173 transitions. [2018-01-24 20:38:05,972 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 20:38:05,972 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 173 transitions. [2018-01-24 20:38:05,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-01-24 20:38:05,974 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:38:05,974 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] [2018-01-24 20:38:05,974 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation, ldv_arvo_init_specials_unsafeErr3RequiresViolation, ldv_arvo_init_specials_unsafeErr1RequiresViolation, ldv_arvo_init_specials_unsafeErr5RequiresViolation, ldv_arvo_init_specials_unsafeErr4RequiresViolation, ldv_arvo_init_specials_unsafeErr2RequiresViolation, ldv_arvo_init_specials_unsafeErr0RequiresViolation, ldv_arvo_init_specials_unsafeErr6RequiresViolation, ldv_arvo_init_specials_unsafeErr7RequiresViolation]=== [2018-01-24 20:38:05,974 INFO L82 PathProgramCache]: Analyzing trace with hash 902320110, now seen corresponding path program 1 times [2018-01-24 20:38:05,974 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:38:05,975 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:38:05,975 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:38:05,975 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:38:05,976 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:38:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:38:06,008 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:38:06,227 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-01-24 20:38:06,227 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 20:38:06,227 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 20:38:06,228 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 45 with the following transitions: [2018-01-24 20:38:06,230 INFO L201 CegarAbsIntRunner]: [72], [78], [79], [81], [86], [88], [93], [96], [147], [148], [154], [155], [157], [158], [194], [208], [209], [210], [211], [212], [213], [220], [221], [222], [223], [224] [2018-01-24 20:38:06,277 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-24 20:38:06,277 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 20:38:08,077 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 20:38:08,079 INFO L268 AbstractInterpreter]: Visited 26 different actions 44 times. Never merged. Never widened. Never found a fixpoint. Largest state had 18 variables. [2018-01-24 20:38:08,100 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-01-24 20:38:08,100 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 20:38:08,100 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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 [2018-01-24 20:38:08,112 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:38:08,112 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 20:38:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:38:08,169 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 20:38:08,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-01-24 20:38:08,205 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 20:38:08,208 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 20:38:08,209 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-01-24 20:38:08,295 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 20:38:08,296 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-01-24 20:38:08,296 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 20:38:08,298 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. [2018-01-24 20:38:08,299 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-24 20:38:08,363 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 20:38:08,364 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 20:38:08,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-24 20:38:08,366 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 20:38:08,373 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. [2018-01-24 20:38:08,374 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-01-24 20:38:08,403 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-01-24 20:38:08,404 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 20:38:08,721 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-01-24 20:38:08,756 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 20:38:08,756 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-24 20:38:08,767 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:38:08,767 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 20:38:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:38:08,859 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 20:38:08,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-01-24 20:38:08,864 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 20:38:08,866 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 20:38:08,866 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-01-24 20:38:08,919 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 20:38:08,920 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-01-24 20:38:08,920 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 20:38:08,929 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. [2018-01-24 20:38:08,929 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-24 20:38:08,973 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 20:38:08,975 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 20:38:08,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-24 20:38:08,976 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 20:38:08,983 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. [2018-01-24 20:38:08,984 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-01-24 20:38:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-01-24 20:38:08,987 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 20:38:09,251 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-01-24 20:38:09,253 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-24 20:38:09,253 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8, 9, 8] total 17 [2018-01-24 20:38:09,254 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-24 20:38:09,254 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-01-24 20:38:09,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-01-24 20:38:09,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2018-01-24 20:38:09,255 INFO L87 Difference]: Start difference. First operand 162 states and 173 transitions. Second operand 12 states. [2018-01-24 20:38:10,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:38:10,265 INFO L93 Difference]: Finished difference Result 210 states and 228 transitions. [2018-01-24 20:38:10,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-24 20:38:10,266 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 44 [2018-01-24 20:38:10,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:38:10,270 INFO L225 Difference]: With dead ends: 210 [2018-01-24 20:38:10,270 INFO L226 Difference]: Without dead ends: 205 [2018-01-24 20:38:10,271 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 155 SyntacticMatches, 13 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2018-01-24 20:38:10,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-01-24 20:38:10,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 175. [2018-01-24 20:38:10,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-01-24 20:38:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 192 transitions. [2018-01-24 20:38:10,292 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 192 transitions. Word has length 44 [2018-01-24 20:38:10,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:38:10,293 INFO L432 AbstractCegarLoop]: Abstraction has 175 states and 192 transitions. [2018-01-24 20:38:10,293 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-01-24 20:38:10,293 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 192 transitions. [2018-01-24 20:38:10,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-01-24 20:38:10,294 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:38:10,294 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] [2018-01-24 20:38:10,294 INFO L371 AbstractCegarLoop]: === Iteration 4 === [ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation, ldv_arvo_init_specials_unsafeErr3RequiresViolation, ldv_arvo_init_specials_unsafeErr1RequiresViolation, ldv_arvo_init_specials_unsafeErr5RequiresViolation, ldv_arvo_init_specials_unsafeErr4RequiresViolation, ldv_arvo_init_specials_unsafeErr2RequiresViolation, ldv_arvo_init_specials_unsafeErr0RequiresViolation, ldv_arvo_init_specials_unsafeErr6RequiresViolation, ldv_arvo_init_specials_unsafeErr7RequiresViolation]=== [2018-01-24 20:38:10,295 INFO L82 PathProgramCache]: Analyzing trace with hash 902320111, now seen corresponding path program 1 times [2018-01-24 20:38:10,295 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:38:10,296 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:38:10,297 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:38:10,297 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:38:10,297 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:38:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:38:10,325 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:38:10,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-01-24 20:38:10,513 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 20:38:10,545 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 20:38:10,546 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 45 with the following transitions: [2018-01-24 20:38:10,546 INFO L201 CegarAbsIntRunner]: [72], [78], [79], [81], [86], [88], [93], [97], [147], [148], [154], [155], [157], [158], [194], [208], [209], [210], [211], [212], [213], [220], [221], [222], [223], [224] [2018-01-24 20:38:10,547 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-24 20:38:10,547 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 20:38:11,843 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 20:38:11,844 INFO L268 AbstractInterpreter]: Visited 26 different actions 44 times. Never merged. Never widened. Never found a fixpoint. Largest state had 18 variables. [2018-01-24 20:38:11,865 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-01-24 20:38:11,865 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 20:38:11,865 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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 [2018-01-24 20:38:11,876 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:38:11,876 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 20:38:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:38:11,923 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 20:38:11,967 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 20:38:11,967 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 20:38:12,130 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-01-24 20:38:12,164 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-01-24 20:38:12,164 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-01-24 20:38:12,164 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:38:12,164 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 20:38:12,165 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 20:38:12,165 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-01-24 20:38:12,165 INFO L87 Difference]: Start difference. First operand 175 states and 192 transitions. Second operand 6 states. [2018-01-24 20:38:12,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:38:12,260 INFO L93 Difference]: Finished difference Result 349 states and 390 transitions. [2018-01-24 20:38:12,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 20:38:12,260 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2018-01-24 20:38:12,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:38:12,262 INFO L225 Difference]: With dead ends: 349 [2018-01-24 20:38:12,262 INFO L226 Difference]: Without dead ends: 176 [2018-01-24 20:38:12,264 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 80 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2018-01-24 20:38:12,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-01-24 20:38:12,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-01-24 20:38:12,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-01-24 20:38:12,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 193 transitions. [2018-01-24 20:38:12,282 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 193 transitions. Word has length 44 [2018-01-24 20:38:12,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:38:12,282 INFO L432 AbstractCegarLoop]: Abstraction has 176 states and 193 transitions. [2018-01-24 20:38:12,282 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 20:38:12,282 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 193 transitions. [2018-01-24 20:38:12,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-01-24 20:38:12,283 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:38:12,284 INFO L322 BasicCegarLoop]: trace histogram [3, 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] [2018-01-24 20:38:12,284 INFO L371 AbstractCegarLoop]: === Iteration 5 === [ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation, ldv_arvo_init_specials_unsafeErr3RequiresViolation, ldv_arvo_init_specials_unsafeErr1RequiresViolation, ldv_arvo_init_specials_unsafeErr5RequiresViolation, ldv_arvo_init_specials_unsafeErr4RequiresViolation, ldv_arvo_init_specials_unsafeErr2RequiresViolation, ldv_arvo_init_specials_unsafeErr0RequiresViolation, ldv_arvo_init_specials_unsafeErr6RequiresViolation, ldv_arvo_init_specials_unsafeErr7RequiresViolation]=== [2018-01-24 20:38:12,284 INFO L82 PathProgramCache]: Analyzing trace with hash -506792821, now seen corresponding path program 1 times [2018-01-24 20:38:12,284 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:38:12,285 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:38:12,286 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:38:12,286 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:38:12,286 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:38:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:38:12,312 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:38:12,469 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-01-24 20:38:12,469 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 20:38:12,469 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 20:38:12,469 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 48 with the following transitions: [2018-01-24 20:38:12,470 INFO L201 CegarAbsIntRunner]: [72], [76], [78], [79], [81], [86], [88], [93], [97], [147], [148], [154], [155], [157], [158], [194], [208], [209], [210], [211], [212], [213], [220], [221], [222], [223], [224] [2018-01-24 20:38:12,471 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-24 20:38:12,471 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown