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.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test15_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-20 23:59:02,617 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-20 23:59:02,619 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-20 23:59:02,636 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-20 23:59:02,636 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-20 23:59:02,637 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-20 23:59:02,639 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-20 23:59:02,641 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-20 23:59:02,643 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-20 23:59:02,644 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-20 23:59:02,645 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-20 23:59:02,645 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-20 23:59:02,646 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-20 23:59:02,647 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-20 23:59:02,648 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-20 23:59:02,651 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-20 23:59:02,654 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-20 23:59:02,656 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-20 23:59:02,657 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-20 23:59:02,658 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-20 23:59:02,661 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-20 23:59:02,666 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-20 23:59:02,667 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-20 23:59:02,667 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.epf [2018-01-20 23:59:02,677 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-20 23:59:02,677 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-20 23:59:02,678 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-20 23:59:02,678 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-20 23:59:02,679 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-20 23:59:02,679 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-20 23:59:02,679 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-20 23:59:02,680 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-20 23:59:02,680 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-20 23:59:02,680 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-20 23:59:02,680 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-20 23:59:02,681 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-20 23:59:02,681 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-20 23:59:02,681 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-20 23:59:02,681 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-20 23:59:02,681 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-20 23:59:02,682 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-20 23:59:02,682 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-20 23:59:02,682 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-20 23:59:02,682 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-20 23:59:02,683 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-20 23:59:02,683 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-20 23:59:02,683 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-20 23:59:02,683 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-20 23:59:02,683 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-20 23:59:02,684 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-20 23:59:02,684 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-20 23:59:02,684 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-20 23:59:02,684 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-20 23:59:02,684 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-20 23:59:02,684 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-20 23:59:02,685 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-20 23:59:02,685 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-20 23:59:02,685 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-20 23:59:02,685 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-20 23:59:02,685 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-20 23:59:02,686 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-20 23:59:02,686 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-20 23:59:02,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-20 23:59:02,735 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-20 23:59:02,739 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-20 23:59:02,741 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-20 23:59:02,742 INFO L276 PluginConnector]: CDTParser initialized [2018-01-20 23:59:02,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test15_true-valid-memsafety_true-termination.i [2018-01-20 23:59:02,931 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-20 23:59:02,936 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-20 23:59:02,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-20 23:59:02,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-20 23:59:02,942 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-20 23:59:02,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 11:59:02" (1/1) ... [2018-01-20 23:59:02,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4b3da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:59:02, skipping insertion in model container [2018-01-20 23:59:02,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 11:59:02" (1/1) ... [2018-01-20 23:59:02,966 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 23:59:03,017 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 23:59:03,140 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 23:59:03,166 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 23:59:03,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:59:03 WrapperNode [2018-01-20 23:59:03,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-20 23:59:03,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-20 23:59:03,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-20 23:59:03,180 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-20 23:59:03,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:59:03" (1/1) ... [2018-01-20 23:59:03,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:59:03" (1/1) ... [2018-01-20 23:59:03,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:59:03" (1/1) ... [2018-01-20 23:59:03,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:59:03" (1/1) ... [2018-01-20 23:59:03,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:59:03" (1/1) ... [2018-01-20 23:59:03,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:59:03" (1/1) ... [2018-01-20 23:59:03,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:59:03" (1/1) ... [2018-01-20 23:59:03,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-20 23:59:03,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-20 23:59:03,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-20 23:59:03,224 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-20 23:59:03,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:59:03" (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 [2018-01-20 23:59:03,271 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-20 23:59:03,271 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-20 23:59:03,271 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-01-20 23:59:03,271 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-20 23:59:03,271 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-01-20 23:59:03,271 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-01-20 23:59:03,272 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-01-20 23:59:03,272 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_hid_get_drvdata [2018-01-20 23:59:03,272 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_hid_set_drvdata [2018-01-20 23:59:03,272 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_arvo_device_struct [2018-01-20 23:59:03,272 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_specials [2018-01-20 23:59:03,272 INFO L136 BoogieDeclarations]: Found implementation of procedure lvd_arvo_remove_specials [2018-01-20 23:59:03,273 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_probe [2018-01-20 23:59:03,273 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_remove [2018-01-20 23:59:03,273 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-20 23:59:03,273 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-20 23:59:03,273 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-20 23:59:03,273 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-20 23:59:03,274 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-20 23:59:03,274 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-20 23:59:03,274 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-20 23:59:03,274 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-20 23:59:03,274 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-20 23:59:03,275 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-01-20 23:59:03,275 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-01-20 23:59:03,275 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-20 23:59:03,275 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-01-20 23:59:03,275 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-20 23:59:03,275 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-20 23:59:03,276 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-01-20 23:59:03,276 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-20 23:59:03,276 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-01-20 23:59:03,276 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-01-20 23:59:03,276 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-01-20 23:59:03,276 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_hid_get_drvdata [2018-01-20 23:59:03,276 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_hid_set_drvdata [2018-01-20 23:59:03,277 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_arvo_device_struct [2018-01-20 23:59:03,277 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_specials [2018-01-20 23:59:03,277 INFO L128 BoogieDeclarations]: Found specification of procedure lvd_arvo_remove_specials [2018-01-20 23:59:03,277 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_probe [2018-01-20 23:59:03,277 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_remove [2018-01-20 23:59:03,277 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-20 23:59:03,278 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-20 23:59:03,278 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-20 23:59:03,278 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-20 23:59:03,749 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-20 23:59:03,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 11:59:03 BoogieIcfgContainer [2018-01-20 23:59:03,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-20 23:59:03,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-20 23:59:03,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-20 23:59:03,753 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-20 23:59:03,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 11:59:02" (1/3) ... [2018-01-20 23:59:03,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c651995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 11:59:03, skipping insertion in model container [2018-01-20 23:59:03,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:59:03" (2/3) ... [2018-01-20 23:59:03,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c651995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 11:59:03, skipping insertion in model container [2018-01-20 23:59:03,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 11:59:03" (3/3) ... [2018-01-20 23:59:03,757 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test15_true-valid-memsafety_true-termination.i [2018-01-20 23:59:03,764 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-20 23:59:03,773 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2018-01-20 23:59:03,815 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:59:03,815 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:59:03,816 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:59:03,816 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:59:03,816 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:59:03,816 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:59:03,816 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:59:03,816 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-20 23:59:03,817 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:59:03,835 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2018-01-20 23:59:03,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-20 23:59:03,841 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:59:03,842 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:59:03,842 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-20 23:59:03,846 INFO L82 PathProgramCache]: Analyzing trace with hash -98013340, now seen corresponding path program 1 times [2018-01-20 23:59:03,848 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:59:03,896 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:59:03,896 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:59:03,896 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:59:03,896 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:59:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:59:03,950 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:59:04,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:59:04,031 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:59:04,031 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:59:04,032 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:59:04,034 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 23:59:04,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 23:59:04,131 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 23:59:04,133 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 3 states. [2018-01-20 23:59:04,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:59:04,395 INFO L93 Difference]: Finished difference Result 154 states and 168 transitions. [2018-01-20 23:59:04,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 23:59:04,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-01-20 23:59:04,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:59:04,401 INFO L225 Difference]: With dead ends: 154 [2018-01-20 23:59:04,401 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:59:04,405 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 [2018-01-20 23:59:04,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:59:04,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:59:04,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:59:04,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:59:04,425 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-01-20 23:59:04,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:59:04,425 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:59:04,425 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 23:59:04,425 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:59:04,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:59:04,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:59:04,514 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1533 1535) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,514 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1533 1535) no Hoare annotation was computed. [2018-01-20 23:59:04,515 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1533 1535) no Hoare annotation was computed. [2018-01-20 23:59:04,515 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1533 1535) no Hoare annotation was computed. [2018-01-20 23:59:04,515 INFO L401 ceAbstractionStarter]: For program point L1490(line 1490) no Hoare annotation was computed. [2018-01-20 23:59:04,515 INFO L401 ceAbstractionStarter]: For program point L1486'(line 1486) no Hoare annotation was computed. [2018-01-20 23:59:04,515 INFO L401 ceAbstractionStarter]: For program point L1486''(line 1486) no Hoare annotation was computed. [2018-01-20 23:59:04,515 INFO L397 ceAbstractionStarter]: At program point lvd_arvo_remove_specialsENTRY(lines 1483 1491) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,515 INFO L401 ceAbstractionStarter]: For program point L1484'(line 1484) no Hoare annotation was computed. [2018-01-20 23:59:04,515 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsFINAL(lines 1483 1491) no Hoare annotation was computed. [2018-01-20 23:59:04,515 INFO L401 ceAbstractionStarter]: For program point L1486(line 1486) no Hoare annotation was computed. [2018-01-20 23:59:04,516 INFO L401 ceAbstractionStarter]: For program point L1489'(line 1489) no Hoare annotation was computed. [2018-01-20 23:59:04,516 INFO L401 ceAbstractionStarter]: For program point L1484(line 1484) no Hoare annotation was computed. [2018-01-20 23:59:04,516 INFO L397 ceAbstractionStarter]: At program point L1489(line 1489) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,516 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsErr0EnsuresViolation(lines 1483 1491) no Hoare annotation was computed. [2018-01-20 23:59:04,516 INFO L401 ceAbstractionStarter]: For program point lvd_arvo_remove_specialsEXIT(lines 1483 1491) no Hoare annotation was computed. [2018-01-20 23:59:04,516 INFO L397 ceAbstractionStarter]: At program point L1505(line 1505) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,516 INFO L397 ceAbstractionStarter]: At program point ldv_arvo_removeENTRY(lines 1504 1506) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,517 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeFINAL(lines 1504 1506) no Hoare annotation was computed. [2018-01-20 23:59:04,517 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeErr0EnsuresViolation(lines 1504 1506) no Hoare annotation was computed. [2018-01-20 23:59:04,517 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_removeEXIT(lines 1504 1506) no Hoare annotation was computed. [2018-01-20 23:59:04,517 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,517 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-20 23:59:04,517 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-20 23:59:04,517 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-20 23:59:04,517 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-20 23:59:04,518 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-20 23:59:04,518 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-20 23:59:04,518 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1535) no Hoare annotation was computed. [2018-01-20 23:59:04,518 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1535) no Hoare annotation was computed. [2018-01-20 23:59:04,518 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1535) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,518 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1535) no Hoare annotation was computed. [2018-01-20 23:59:04,518 INFO L401 ceAbstractionStarter]: For program point L1463'(line 1463) no Hoare annotation was computed. [2018-01-20 23:59:04,519 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specialsErr0EnsuresViolation(lines 1460 1481) no Hoare annotation was computed. [2018-01-20 23:59:04,519 INFO L401 ceAbstractionStarter]: For program point L1465'(line 1465) no Hoare annotation was computed. [2018-01-20 23:59:04,519 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specialsFINAL(lines 1460 1481) no Hoare annotation was computed. [2018-01-20 23:59:04,519 INFO L397 ceAbstractionStarter]: At program point ldv_arvo_init_specialsENTRY(lines 1460 1481) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,519 INFO L397 ceAbstractionStarter]: At program point L1476(line 1476) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,519 INFO L397 ceAbstractionStarter]: At program point L1474(line 1474) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,519 INFO L397 ceAbstractionStarter]: At program point L1472(line 1472) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,519 INFO L401 ceAbstractionStarter]: For program point L1473(lines 1473 1475) no Hoare annotation was computed. [2018-01-20 23:59:04,519 INFO L401 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2018-01-20 23:59:04,520 INFO L401 ceAbstractionStarter]: For program point L1464''(line 1464) no Hoare annotation was computed. [2018-01-20 23:59:04,520 INFO L401 ceAbstractionStarter]: For program point L1464'(line 1464) no Hoare annotation was computed. [2018-01-20 23:59:04,520 INFO L401 ceAbstractionStarter]: For program point L1476'(line 1476) no Hoare annotation was computed. [2018-01-20 23:59:04,520 INFO L401 ceAbstractionStarter]: For program point L1472'(line 1472) no Hoare annotation was computed. [2018-01-20 23:59:04,520 INFO L397 ceAbstractionStarter]: At program point L1465(line 1465) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,520 INFO L401 ceAbstractionStarter]: For program point L1463(line 1463) no Hoare annotation was computed. [2018-01-20 23:59:04,520 INFO L401 ceAbstractionStarter]: For program point L1464(line 1464) no Hoare annotation was computed. [2018-01-20 23:59:04,520 INFO L401 ceAbstractionStarter]: For program point L1468'(line 1468) no Hoare annotation was computed. [2018-01-20 23:59:04,521 INFO L401 ceAbstractionStarter]: For program point L1469(lines 1469 1471) no Hoare annotation was computed. [2018-01-20 23:59:04,521 INFO L397 ceAbstractionStarter]: At program point L1468(line 1468) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,521 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_specialsEXIT(lines 1460 1481) no Hoare annotation was computed. [2018-01-20 23:59:04,521 INFO L404 ceAbstractionStarter]: At program point ldv_dev_set_drvdataENTRY(lines 1196 1199) the Hoare annotation is: true [2018-01-20 23:59:04,521 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataEXIT(lines 1196 1199) no Hoare annotation was computed. [2018-01-20 23:59:04,521 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataFINAL(lines 1196 1199) no Hoare annotation was computed. [2018-01-20 23:59:04,521 INFO L401 ceAbstractionStarter]: For program point ldv_dev_set_drvdataErr0EnsuresViolation(lines 1196 1199) no Hoare annotation was computed. [2018-01-20 23:59:04,522 INFO L401 ceAbstractionStarter]: For program point L1198(line 1198) no Hoare annotation was computed. [2018-01-20 23:59:04,522 INFO L404 ceAbstractionStarter]: At program point ldv_hid_set_drvdataENTRY(lines 1444 1447) the Hoare annotation is: true [2018-01-20 23:59:04,522 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataEXIT(lines 1444 1447) no Hoare annotation was computed. [2018-01-20 23:59:04,522 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataErr0EnsuresViolation(lines 1444 1447) no Hoare annotation was computed. [2018-01-20 23:59:04,522 INFO L404 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: true [2018-01-20 23:59:04,522 INFO L401 ceAbstractionStarter]: For program point ldv_hid_set_drvdataFINAL(lines 1444 1447) no Hoare annotation was computed. [2018-01-20 23:59:04,522 INFO L401 ceAbstractionStarter]: For program point L1081(line 1081) no Hoare annotation was computed. [2018-01-20 23:59:04,522 INFO L401 ceAbstractionStarter]: For program point L1081''(line 1081) no Hoare annotation was computed. [2018-01-20 23:59:04,523 INFO L401 ceAbstractionStarter]: For program point ldv_zallocEXIT(lines 1080 1082) no Hoare annotation was computed. [2018-01-20 23:59:04,523 INFO L401 ceAbstractionStarter]: For program point ldv_zallocErr0EnsuresViolation(lines 1080 1082) no Hoare annotation was computed. [2018-01-20 23:59:04,523 INFO L404 ceAbstractionStarter]: At program point L1081'(line 1081) the Hoare annotation is: true [2018-01-20 23:59:04,523 INFO L397 ceAbstractionStarter]: At program point ldv_zallocENTRY(lines 1080 1082) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,523 INFO L401 ceAbstractionStarter]: For program point ldv_zallocFINAL(lines 1080 1082) no Hoare annotation was computed. [2018-01-20 23:59:04,523 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveFINAL(lines 1057 1061) no Hoare annotation was computed. [2018-01-20 23:59:04,523 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveErr0EnsuresViolation(lines 1057 1061) no Hoare annotation was computed. [2018-01-20 23:59:04,523 INFO L401 ceAbstractionStarter]: For program point L1059(lines 1059 1060) no Hoare annotation was computed. [2018-01-20 23:59:04,524 INFO L404 ceAbstractionStarter]: At program point ldv_nonpositiveENTRY(lines 1057 1061) the Hoare annotation is: true [2018-01-20 23:59:04,524 INFO L401 ceAbstractionStarter]: For program point ldv_nonpositiveEXIT(lines 1057 1061) no Hoare annotation was computed. [2018-01-20 23:59:04,524 INFO L401 ceAbstractionStarter]: For program point L1441'(line 1441) no Hoare annotation was computed. [2018-01-20 23:59:04,524 INFO L404 ceAbstractionStarter]: At program point ldv_hid_get_drvdataENTRY(lines 1439 1442) the Hoare annotation is: true [2018-01-20 23:59:04,524 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataFINAL(lines 1439 1442) no Hoare annotation was computed. [2018-01-20 23:59:04,524 INFO L404 ceAbstractionStarter]: At program point L1441(line 1441) the Hoare annotation is: true [2018-01-20 23:59:04,524 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataErr0EnsuresViolation(lines 1439 1442) no Hoare annotation was computed. [2018-01-20 23:59:04,524 INFO L401 ceAbstractionStarter]: For program point ldv_hid_get_drvdataEXIT(lines 1439 1442) no Hoare annotation was computed. [2018-01-20 23:59:04,524 INFO L404 ceAbstractionStarter]: At program point ldv_dev_get_drvdataENTRY(lines 1191 1194) the Hoare annotation is: true [2018-01-20 23:59:04,524 INFO L401 ceAbstractionStarter]: For program point L1193(line 1193) no Hoare annotation was computed. [2018-01-20 23:59:04,525 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataEXIT(lines 1191 1194) no Hoare annotation was computed. [2018-01-20 23:59:04,525 INFO L401 ceAbstractionStarter]: For program point L1193'(line 1193) no Hoare annotation was computed. [2018-01-20 23:59:04,525 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataFINAL(lines 1191 1194) no Hoare annotation was computed. [2018-01-20 23:59:04,525 INFO L401 ceAbstractionStarter]: For program point ldv_dev_get_drvdataErr0EnsuresViolation(lines 1191 1194) no Hoare annotation was computed. [2018-01-20 23:59:04,525 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1535) the Hoare annotation is: true [2018-01-20 23:59:04,525 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1535) no Hoare annotation was computed. [2018-01-20 23:59:04,525 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1535) the Hoare annotation is: true [2018-01-20 23:59:04,525 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1535) no Hoare annotation was computed. [2018-01-20 23:59:04,526 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1535) no Hoare annotation was computed. [2018-01-20 23:59:04,526 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:59:04,526 INFO L401 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:59:04,526 INFO L404 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:59:04,526 INFO L401 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:59:04,526 INFO L397 ceAbstractionStarter]: At program point ldv_arvo_probeENTRY(lines 1493 1502) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,526 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probeErr0EnsuresViolation(lines 1493 1502) no Hoare annotation was computed. [2018-01-20 23:59:04,526 INFO L401 ceAbstractionStarter]: For program point L1495'(line 1495) no Hoare annotation was computed. [2018-01-20 23:59:04,526 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probeFINAL(lines 1493 1502) no Hoare annotation was computed. [2018-01-20 23:59:04,527 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_probeEXIT(lines 1493 1502) no Hoare annotation was computed. [2018-01-20 23:59:04,527 INFO L401 ceAbstractionStarter]: For program point L1496(lines 1496 1498) no Hoare annotation was computed. [2018-01-20 23:59:04,527 INFO L397 ceAbstractionStarter]: At program point L1497(line 1497) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,527 INFO L397 ceAbstractionStarter]: At program point L1495(line 1495) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,527 INFO L401 ceAbstractionStarter]: For program point L1510(line 1510) no Hoare annotation was computed. [2018-01-20 23:59:04,527 INFO L401 ceAbstractionStarter]: For program point L1516'(line 1516) no Hoare annotation was computed. [2018-01-20 23:59:04,527 INFO L401 ceAbstractionStarter]: For program point L1513''(line 1513) no Hoare annotation was computed. [2018-01-20 23:59:04,527 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1508 1531) no Hoare annotation was computed. [2018-01-20 23:59:04,527 INFO L401 ceAbstractionStarter]: For program point L1516''(line 1516) no Hoare annotation was computed. [2018-01-20 23:59:04,527 INFO L401 ceAbstractionStarter]: For program point L1524'(line 1524) no Hoare annotation was computed. [2018-01-20 23:59:04,528 INFO L401 ceAbstractionStarter]: For program point L1514'(line 1514) no Hoare annotation was computed. [2018-01-20 23:59:04,528 INFO L401 ceAbstractionStarter]: For program point L1517(line 1517) no Hoare annotation was computed. [2018-01-20 23:59:04,528 INFO L401 ceAbstractionStarter]: For program point L1516(line 1516) no Hoare annotation was computed. [2018-01-20 23:59:04,528 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1508 1531) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,528 INFO L397 ceAbstractionStarter]: At program point L1513(line 1513) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,528 INFO L401 ceAbstractionStarter]: For program point L1514(line 1514) no Hoare annotation was computed. [2018-01-20 23:59:04,528 INFO L397 ceAbstractionStarter]: At program point L1511(line 1511) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,529 INFO L401 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2018-01-20 23:59:04,529 INFO L401 ceAbstractionStarter]: For program point L1519(line 1519) no Hoare annotation was computed. [2018-01-20 23:59:04,529 INFO L397 ceAbstractionStarter]: At program point L1520(line 1520) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,529 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1508 1531) no Hoare annotation was computed. [2018-01-20 23:59:04,529 INFO L397 ceAbstractionStarter]: At program point L1517'(line 1517) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:59:04,529 INFO L401 ceAbstractionStarter]: For program point L1511'(line 1511) no Hoare annotation was computed. [2018-01-20 23:59:04,529 INFO L401 ceAbstractionStarter]: For program point L1513'(line 1513) no Hoare annotation was computed. [2018-01-20 23:59:04,529 INFO L404 ceAbstractionStarter]: At program point L1528(line 1528) the Hoare annotation is: true [2018-01-20 23:59:04,530 INFO L404 ceAbstractionStarter]: At program point L1526(line 1526) the Hoare annotation is: true [2018-01-20 23:59:04,530 INFO L401 ceAbstractionStarter]: For program point L1519'(lines 1519 1521) no Hoare annotation was computed. [2018-01-20 23:59:04,530 INFO L401 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2018-01-20 23:59:04,530 INFO L401 ceAbstractionStarter]: For program point L1516'''(line 1516) no Hoare annotation was computed. [2018-01-20 23:59:04,530 INFO L404 ceAbstractionStarter]: At program point L1525(lines 1525 1526) the Hoare annotation is: true [2018-01-20 23:59:04,530 INFO L401 ceAbstractionStarter]: For program point L1523(lines 1523 1524) no Hoare annotation was computed. [2018-01-20 23:59:04,530 INFO L401 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2018-01-20 23:59:04,530 INFO L401 ceAbstractionStarter]: For program point L1454'(line 1454) no Hoare annotation was computed. [2018-01-20 23:59:04,530 INFO L401 ceAbstractionStarter]: For program point L1455'(line 1455) no Hoare annotation was computed. [2018-01-20 23:59:04,530 INFO L404 ceAbstractionStarter]: At program point ldv_arvo_init_arvo_device_structENTRY(lines 1453 1458) the Hoare annotation is: true [2018-01-20 23:59:04,530 INFO L401 ceAbstractionStarter]: For program point L1456(line 1456) no Hoare annotation was computed. [2018-01-20 23:59:04,530 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structFINAL(lines 1453 1458) no Hoare annotation was computed. [2018-01-20 23:59:04,530 INFO L404 ceAbstractionStarter]: At program point L1457(line 1457) the Hoare annotation is: true [2018-01-20 23:59:04,531 INFO L401 ceAbstractionStarter]: For program point L1454(line 1454) no Hoare annotation was computed. [2018-01-20 23:59:04,531 INFO L401 ceAbstractionStarter]: For program point L1455(line 1455) no Hoare annotation was computed. [2018-01-20 23:59:04,531 INFO L401 ceAbstractionStarter]: For program point L1456'(line 1456) no Hoare annotation was computed. [2018-01-20 23:59:04,531 INFO L401 ceAbstractionStarter]: For program point L1457'(line 1457) no Hoare annotation was computed. [2018-01-20 23:59:04,531 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structEXIT(lines 1453 1458) no Hoare annotation was computed. [2018-01-20 23:59:04,531 INFO L401 ceAbstractionStarter]: For program point ldv_arvo_init_arvo_device_structErr0EnsuresViolation(lines 1453 1458) no Hoare annotation was computed. [2018-01-20 23:59:04,535 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:59:04,535 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:59:04,535 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:59:04,536 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:59:04,536 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:59:04,536 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:59:04,536 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:59:04,536 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == lvd_arvo_remove_specialsErr0EnsuresViolation======== [2018-01-20 23:59:04,536 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:59:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2018-01-20 23:59:04,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-01-20 23:59:04,544 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:59:04,544 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] [2018-01-20 23:59:04,545 INFO L371 AbstractCegarLoop]: === Iteration 1 === [lvd_arvo_remove_specialsErr0EnsuresViolation]=== [2018-01-20 23:59:04,545 INFO L82 PathProgramCache]: Analyzing trace with hash -930138460, now seen corresponding path program 1 times [2018-01-20 23:59:04,545 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:59:04,546 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:59:04,546 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:59:04,546 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:59:04,547 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:59:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:59:04,574 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:59:04,671 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-01-20 23:59:04,671 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:59:04,671 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:59:04,672 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 72 with the following transitions: [2018-01-20 23:59:04,674 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] [2018-01-20 23:59:04,724 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:59:04,724 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:59:04,846 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:59:04,848 INFO L268 AbstractInterpreter]: Visited 13 different actions 13 times. Never merged. Never widened. Never found a fixpoint. Largest state had 28 variables. [2018-01-20 23:59:04,858 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:59:04,953 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 56.67% of their original sizes. [2018-01-20 23:59:04,954 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:59:05,057 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:59:05,058 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-20 23:59:05,058 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 13 [2018-01-20 23:59:05,058 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:59:05,059 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-20 23:59:05,059 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-20 23:59:05,059 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-01-20 23:59:05,060 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 10 states. [2018-01-20 23:59:10,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:59:10,752 INFO L93 Difference]: Finished difference Result 284 states and 327 transitions. [2018-01-20 23:59:10,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-20 23:59:10,752 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 71 [2018-01-20 23:59:10,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:59:10,758 INFO L225 Difference]: With dead ends: 284 [2018-01-20 23:59:10,758 INFO L226 Difference]: Without dead ends: 121 [2018-01-20 23:59:10,760 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 73 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-01-20 23:59:10,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-01-20 23:59:10,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2018-01-20 23:59:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-01-20 23:59:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 129 transitions. [2018-01-20 23:59:10,791 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 129 transitions. Word has length 71 [2018-01-20 23:59:10,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:59:10,791 INFO L432 AbstractCegarLoop]: Abstraction has 119 states and 129 transitions. [2018-01-20 23:59:10,791 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-20 23:59:10,791 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 129 transitions. [2018-01-20 23:59:10,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-01-20 23:59:10,796 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:59:10,796 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:59:10,796 INFO L371 AbstractCegarLoop]: === Iteration 2 === [lvd_arvo_remove_specialsErr0EnsuresViolation]=== [2018-01-20 23:59:10,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1020427369, now seen corresponding path program 1 times [2018-01-20 23:59:10,797 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:59:10,798 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:59:10,799 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:59:10,799 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:59:10,799 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:59:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:59:10,824 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:59:10,893 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-01-20 23:59:10,893 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:59:10,893 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:59:10,893 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 87 with the following transitions: [2018-01-20 23:59:10,894 INFO L201 CegarAbsIntRunner]: [3], [4], [5], [6], [7], [11], [13], [14], [16], [17], [19], [28], [30], [31], [41], [43], [48], [50], [53], [58], [60], [65], [67], [68], [69], [74], [75], [76], [77], [78], [79], [81], [84], [99], [103], [106], [107], [108], [109], [110], [112], [113], [115], [116], [117], [118], [119], [122], [124], [143], [145], [146], [147], [155], [156], [157], [158], [175], [177], [178], [179], [180], [181], [182], [183], [184], [185], [186], [187], [188], [189], [190], [191], [192], [193], [195], [197], [198], [207], [208], [209] [2018-01-20 23:59:10,897 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:59:10,897 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:59:10,937 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:59:10,937 INFO L268 AbstractInterpreter]: Visited 16 different actions 17 times. Merged at 1 different actions 1 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 30 variables. [2018-01-20 23:59:10,948 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:59:11,025 INFO L232 lantSequenceWeakener]: Weakened 14 states. On average, predicates are now at 60.63% of their original sizes. [2018-01-20 23:59:11,025 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:59:11,185 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:59:11,185 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-20 23:59:11,185 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 15 [2018-01-20 23:59:11,185 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:59:11,187 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-01-20 23:59:11,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-01-20 23:59:11,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2018-01-20 23:59:11,187 INFO L87 Difference]: Start difference. First operand 119 states and 129 transitions. Second operand 13 states. [2018-01-20 23:59:11,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-20 23:59:11,520 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.vpdomain.WeqCongruenceClosure.(WeqCongruenceClosure.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.vpdomain.WeqCcManager.copyWeqCc(WeqCcManager.java:1327) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.vpdomain.WeqCcManager.isStrongerThan(WeqCcManager.java:582) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.vpdomain.EqConstraint.isStrongerThan(EqConstraint.java:283) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.vp.EqState.isSubsetOf(EqState.java:192) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.vp.EqState.isSubsetOf(EqState.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.getMaximalElements(DisjunctiveAbstractState.java:565) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.crossProduct(DisjunctiveAbstractState.java:407) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.intersect(DisjunctiveAbstractState.java:291) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntPredicateUnifier.lambda$3(CegarAbsIntRunner.java:684) at java.util.stream.ReduceOps$2ReducingSink.accept(ReduceOps.java:123) at java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1548) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.reduce(ReferencePipeline.java:479) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntPredicateUnifier.getOrConstructPredicateForConjunction(CegarAbsIntRunner.java:684) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:261) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1054) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:956) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:185) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:552) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:522) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:117) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-01-20 23:59:11,523 INFO L168 Benchmark]: Toolchain (without parser) took 8591.52 ms. Allocated memory was 305.1 MB in the beginning and 746.1 MB in the end (delta: 440.9 MB). Free memory was 262.5 MB in the beginning and 316.0 MB in the end (delta: -53.5 MB). Peak memory consumption was 387.4 MB. Max. memory is 5.3 GB. [2018-01-20 23:59:11,524 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 305.1 MB. Free memory is still 269.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 23:59:11,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.30 ms. Allocated memory is still 305.1 MB. Free memory was 262.5 MB in the beginning and 247.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. [2018-01-20 23:59:11,524 INFO L168 Benchmark]: Boogie Preprocessor took 43.23 ms. Allocated memory is still 305.1 MB. Free memory was 247.4 MB in the beginning and 245.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-20 23:59:11,524 INFO L168 Benchmark]: RCFGBuilder took 526.19 ms. Allocated memory is still 305.1 MB. Free memory was 245.4 MB in the beginning and 209.9 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 5.3 GB. [2018-01-20 23:59:11,525 INFO L168 Benchmark]: TraceAbstraction took 7771.87 ms. Allocated memory was 305.1 MB in the beginning and 746.1 MB in the end (delta: 440.9 MB). Free memory was 209.9 MB in the beginning and 316.0 MB in the end (delta: -106.1 MB). Peak memory consumption was 334.8 MB. Max. memory is 5.3 GB. [2018-01-20 23:59:11,526 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 305.1 MB. Free memory is still 269.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 242.30 ms. Allocated memory is still 305.1 MB. Free memory was 262.5 MB in the beginning and 247.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 43.23 ms. Allocated memory is still 305.1 MB. Free memory was 247.4 MB in the beginning and 245.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 526.19 ms. Allocated memory is still 305.1 MB. Free memory was 245.4 MB in the beginning and 209.9 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 7771.87 ms. Allocated memory was 305.1 MB in the beginning and 746.1 MB in the end (delta: 440.9 MB). Free memory was 209.9 MB in the beginning and 316.0 MB in the end (delta: -106.1 MB). Peak memory consumption was 334.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 12 LocStat_MAX_WEQGRAPH_SIZE : 1 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 64 LocStat_NO_SUPPORTING_DISEQUALITIES : 0 LocStat_NO_DISJUNCTIONS : -24 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 21 TransStat_MAX_WEQGRAPH_SIZE : 1 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 38 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 22 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.770688 RENAME_VARIABLES(MILLISECONDS) : 0.240567 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.253105 PROJECTAWAY(MILLISECONDS) : 0.038944 ADD_WEAK_EQUALITY(MILLISECONDS) : 3.085070 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.286043 ADD_EQUALITY(MILLISECONDS) : 0.044961 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.017294 #CONJOIN_DISJUNCTIVE : 24 #RENAME_VARIABLES : 41 #UNFREEZE : 0 #CONJOIN : 54 #PROJECTAWAY : 42 #ADD_WEAK_EQUALITY : 1 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 40 #ADD_EQUALITY : 38 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 2 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 14 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 83 LocStat_NO_SUPPORTING_DISEQUALITIES : 2 LocStat_NO_DISJUNCTIONS : -28 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 24 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 50 TransStat_NO_SUPPORTING_DISEQUALITIES : 5 TransStat_NO_DISJUNCTIONS : 25 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.129469 RENAME_VARIABLES(MILLISECONDS) : 0.025449 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.055897 PROJECTAWAY(MILLISECONDS) : 0.006417 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.045449 DISJOIN(MILLISECONDS) : 2.089790 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.036150 ADD_EQUALITY(MILLISECONDS) : 0.015707 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.004941 #CONJOIN_DISJUNCTIVE : 33 #RENAME_VARIABLES : 51 #UNFREEZE : 0 #CONJOIN : 70 #PROJECTAWAY : 49 #ADD_WEAK_EQUALITY : 3 #DISJOIN : 1 #RENAME_VARIABLES_DISJUNCTIVE : 50 #ADD_EQUALITY : 50 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 4 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1533]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 17 procedures, 144 locations, 16 error locations. SAFE Result, 0.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 118 SDtfs, 83 SDslu, 4 SDs, 0 SdLazy, 49 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 43 PreInvPairs, 46 NumberOfFragments, 83 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 39 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 555 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.vpdomain.WeqCongruenceClosure.(WeqCongruenceClosure.java:157) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-20_23-59-11-536.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-0-2018-01-20_23-59-11-536.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-0-2018-01-20_23-59-11-536.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-1-2018-01-20_23-59-11-536.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-1-2018-01-20_23-59-11-536.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-20_23-59-11-536.csv Received shutdown request...