java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf -i ../../../trunk/examples/svcomp/memsafety/test-0237_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 14:27:21,278 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 14:27:21,280 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 14:27:21,297 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 14:27:21,298 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 14:27:21,299 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 14:27:21,300 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 14:27:21,302 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 14:27:21,304 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 14:27:21,305 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 14:27:21,306 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 14:27:21,306 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 14:27:21,307 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 14:27:21,309 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 14:27:21,310 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 14:27:21,313 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 14:27:21,316 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 14:27:21,318 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 14:27:21,319 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 14:27:21,321 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 14:27:21,323 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-23 14:27:21,329 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 14:27:21,330 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 14:27:21,330 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf [2018-01-23 14:27:21,341 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 14:27:21,341 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 14:27:21,342 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 14:27:21,342 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 14:27:21,342 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 14:27:21,343 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 14:27:21,343 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 14:27:21,344 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 14:27:21,344 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 14:27:21,344 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 14:27:21,344 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 14:27:21,344 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 14:27:21,344 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 14:27:21,345 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 14:27:21,345 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 14:27:21,345 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 14:27:21,345 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 14:27:21,345 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 14:27:21,345 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 14:27:21,346 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 14:27:21,346 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 14:27:21,346 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 14:27:21,346 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 14:27:21,346 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 14:27:21,347 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 14:27:21,347 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 14:27:21,347 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 14:27:21,347 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 14:27:21,347 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 14:27:21,348 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 14:27:21,348 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 14:27:21,348 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 14:27:21,348 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 14:27:21,348 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 14:27:21,349 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 14:27:21,349 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 14:27:21,350 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 14:27:21,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 14:27:21,400 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 14:27:21,405 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 14:27:21,406 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 14:27:21,407 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 14:27:21,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0237_true-valid-memsafety.i [2018-01-23 14:27:21,625 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 14:27:21,631 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 14:27:21,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 14:27:21,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 14:27:21,637 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 14:27:21,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:27:21" (1/1) ... [2018-01-23 14:27:21,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c517b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:27:21, skipping insertion in model container [2018-01-23 14:27:21,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:27:21" (1/1) ... [2018-01-23 14:27:21,659 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:27:21,705 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:27:21,832 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:27:21,861 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:27:21,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:27:21 WrapperNode [2018-01-23 14:27:21,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 14:27:21,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 14:27:21,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 14:27:21,875 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 14:27:21,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:27:21" (1/1) ... [2018-01-23 14:27:21,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:27:21" (1/1) ... [2018-01-23 14:27:21,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:27:21" (1/1) ... [2018-01-23 14:27:21,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:27:21" (1/1) ... [2018-01-23 14:27:21,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:27:21" (1/1) ... [2018-01-23 14:27:21,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:27:21" (1/1) ... [2018-01-23 14:27:21,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:27:21" (1/1) ... [2018-01-23 14:27:21,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 14:27:21,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 14:27:21,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 14:27:21,922 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 14:27:21,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:27:21" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 14:27:21,973 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 14:27:21,973 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 14:27:21,973 INFO L136 BoogieDeclarations]: Found implementation of procedure calloc_model [2018-01-23 14:27:21,973 INFO L136 BoogieDeclarations]: Found implementation of procedure zalloc_or_die [2018-01-23 14:27:21,973 INFO L136 BoogieDeclarations]: Found implementation of procedure l4_insert [2018-01-23 14:27:21,973 INFO L136 BoogieDeclarations]: Found implementation of procedure l3_insert [2018-01-23 14:27:21,974 INFO L136 BoogieDeclarations]: Found implementation of procedure l2_insert [2018-01-23 14:27:21,974 INFO L136 BoogieDeclarations]: Found implementation of procedure l1_insert [2018-01-23 14:27:21,974 INFO L136 BoogieDeclarations]: Found implementation of procedure l0_insert [2018-01-23 14:27:21,974 INFO L136 BoogieDeclarations]: Found implementation of procedure l4_destroy [2018-01-23 14:27:21,974 INFO L136 BoogieDeclarations]: Found implementation of procedure l3_destroy [2018-01-23 14:27:21,974 INFO L136 BoogieDeclarations]: Found implementation of procedure l2_destroy [2018-01-23 14:27:21,974 INFO L136 BoogieDeclarations]: Found implementation of procedure l1_destroy [2018-01-23 14:27:21,974 INFO L136 BoogieDeclarations]: Found implementation of procedure l0_destroy [2018-01-23 14:27:21,974 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 14:27:21,974 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-23 14:27:21,975 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-23 14:27:21,975 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 14:27:21,975 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 14:27:21,975 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 14:27:21,975 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-01-23 14:27:21,975 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-01-23 14:27:21,975 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-23 14:27:21,975 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-23 14:27:21,975 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-23 14:27:21,976 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-01-23 14:27:21,976 INFO L128 BoogieDeclarations]: Found specification of procedure calloc_model [2018-01-23 14:27:21,976 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 14:27:21,976 INFO L128 BoogieDeclarations]: Found specification of procedure zalloc_or_die [2018-01-23 14:27:21,976 INFO L128 BoogieDeclarations]: Found specification of procedure l4_insert [2018-01-23 14:27:21,976 INFO L128 BoogieDeclarations]: Found specification of procedure l3_insert [2018-01-23 14:27:21,976 INFO L128 BoogieDeclarations]: Found specification of procedure l2_insert [2018-01-23 14:27:21,976 INFO L128 BoogieDeclarations]: Found specification of procedure l1_insert [2018-01-23 14:27:21,976 INFO L128 BoogieDeclarations]: Found specification of procedure l0_insert [2018-01-23 14:27:21,976 INFO L128 BoogieDeclarations]: Found specification of procedure l4_destroy [2018-01-23 14:27:21,977 INFO L128 BoogieDeclarations]: Found specification of procedure l3_destroy [2018-01-23 14:27:21,977 INFO L128 BoogieDeclarations]: Found specification of procedure l2_destroy [2018-01-23 14:27:21,977 INFO L128 BoogieDeclarations]: Found specification of procedure l1_destroy [2018-01-23 14:27:21,977 INFO L128 BoogieDeclarations]: Found specification of procedure l0_destroy [2018-01-23 14:27:21,977 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 14:27:21,977 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 14:27:21,977 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 14:27:22,527 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 14:27:22,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:27:22 BoogieIcfgContainer [2018-01-23 14:27:22,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 14:27:22,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-23 14:27:22,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-23 14:27:22,532 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-23 14:27:22,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 02:27:21" (1/3) ... [2018-01-23 14:27:22,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7c456b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:27:22, skipping insertion in model container [2018-01-23 14:27:22,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:27:21" (2/3) ... [2018-01-23 14:27:22,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7c456b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:27:22, skipping insertion in model container [2018-01-23 14:27:22,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:27:22" (3/3) ... [2018-01-23 14:27:22,536 INFO L105 eAbstractionObserver]: Analyzing ICFG test-0237_true-valid-memsafety.i [2018-01-23 14:27:22,542 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-23 14:27:22,549 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-01-23 14:27:22,600 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:27:22,600 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:27:22,600 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:27:22,600 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:27:22,600 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:27:22,600 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:27:22,601 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:27:22,601 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l3_destroyErr0EnsuresViolation======== [2018-01-23 14:27:22,602 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:27:22,624 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-23 14:27:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-23 14:27:22,630 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:22,631 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:22,632 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l3_destroyErr0EnsuresViolation]=== [2018-01-23 14:27:22,636 INFO L82 PathProgramCache]: Analyzing trace with hash -747535974, now seen corresponding path program 1 times [2018-01-23 14:27:22,638 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:22,638 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:22,679 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:22,679 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:22,679 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:22,728 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:27:22,774 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:22,775 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:22,777 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:27:22,793 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:27:22,794 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:22,796 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-23 14:27:22,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:22,927 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-23 14:27:22,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:27:22,929 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-01-23 14:27:22,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:22,942 INFO L225 Difference]: With dead ends: 354 [2018-01-23 14:27:22,942 INFO L226 Difference]: Without dead ends: 160 [2018-01-23 14:27:22,948 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:22,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-01-23 14:27:22,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-01-23 14:27:22,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-01-23 14:27:22,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 175 transitions. [2018-01-23 14:27:22,993 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 175 transitions. Word has length 25 [2018-01-23 14:27:22,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:22,994 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 175 transitions. [2018-01-23 14:27:22,994 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:27:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 175 transitions. [2018-01-23 14:27:23,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-01-23 14:27:23,000 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:23,000 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:23,000 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l3_destroyErr0EnsuresViolation]=== [2018-01-23 14:27:23,001 INFO L82 PathProgramCache]: Analyzing trace with hash -407505247, now seen corresponding path program 1 times [2018-01-23 14:27:23,001 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:23,001 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:23,002 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:23,002 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:23,002 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:23,054 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:23,229 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:23,229 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:23,229 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:23,237 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:23,471 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:23,515 WARN L1029 $PredicateComparison]: unable to prove that (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1)))) is different from true [2018-01-23 14:27:23,533 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:27:23,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 13 [2018-01-23 14:27:23,545 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:27:23,553 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:27:23,553 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-23 14:27:23,574 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((v_prenex_1 Int)) (and (= |c_#valid| (store |c_old(#valid)| v_prenex_1 1)) (<= (select |c_old(#valid)| v_prenex_1) 0)))) is different from true [2018-01-23 14:27:23,656 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-23 14:27:23,679 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:23,679 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:27:23,680 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:27:23,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:27:23,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-23 14:27:23,681 INFO L87 Difference]: Start difference. First operand 160 states and 175 transitions. Second operand 6 states. [2018-01-23 14:27:23,775 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1))))) is different from true [2018-01-23 14:27:23,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:23,785 INFO L93 Difference]: Finished difference Result 176 states and 195 transitions. [2018-01-23 14:27:23,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:27:23,786 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 221 [2018-01-23 14:27:23,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:23,787 INFO L225 Difference]: With dead ends: 176 [2018-01-23 14:27:23,787 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:27:23,789 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=14, Unknown=3, NotChecked=24, Total=56 [2018-01-23 14:27:23,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:27:23,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:27:23,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:27:23,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:27:23,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 221 [2018-01-23 14:27:23,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:23,791 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:27:23,791 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:27:23,791 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:27:23,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:27:23,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:27:24,183 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:24,183 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:24,183 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:24,183 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:27:24,183 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:27:24,183 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:27:24,184 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:27:24,184 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-23 14:27:24,184 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:27:24,184 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:24,184 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:27:24,184 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:27:24,184 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:27:24,185 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:24,185 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-23 14:27:24,185 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:24,185 INFO L397 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) [2018-01-23 14:27:24,185 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-23 14:27:24,185 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:24,186 INFO L397 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (= |#valid| |old(#valid)|)) [2018-01-23 14:27:24,186 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:24,186 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-23 14:27:24,186 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (= |#valid| |old(#valid)|)) [2018-01-23 14:27:24,186 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:24,186 INFO L397 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) [2018-01-23 14:27:24,186 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:27:24,187 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-23 14:27:24,187 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:27:24,187 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:27:24,187 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:27:24,187 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:27:24,187 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:24,187 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:24,187 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:27:24,187 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:27:24,187 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-23 14:27:24,188 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:27:24,188 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:27:24,188 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:27:24,188 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:24,188 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:24,188 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:27:24,188 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:27:24,188 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-23 14:27:24,189 INFO L404 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-01-23 14:27:24,189 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:24,189 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:24,189 INFO L404 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: true [2018-01-23 14:27:24,189 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:24,189 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:27:24,189 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-23 14:27:24,189 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: true [2018-01-23 14:27:24,189 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-23 14:27:24,189 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-23 14:27:24,189 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:27:24,189 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-23 14:27:24,190 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:24,190 INFO L404 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: true [2018-01-23 14:27:24,190 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:24,190 INFO L397 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) [2018-01-23 14:27:24,190 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:24,190 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-23 14:27:24,190 INFO L397 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (= |#valid| |old(#valid)|)) [2018-01-23 14:27:24,190 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:24,190 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:24,190 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:24,191 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-23 14:27:24,191 INFO L397 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (= |#valid| |old(#valid)|)) [2018-01-23 14:27:24,191 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:24,191 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-23 14:27:24,191 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-23 14:27:24,191 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-23 14:27:24,191 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:24,192 INFO L404 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-01-23 14:27:24,192 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:27:24,192 INFO L404 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2018-01-23 14:27:24,192 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: true [2018-01-23 14:27:24,192 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-23 14:27:24,192 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-23 14:27:24,192 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:24,192 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:24,193 INFO L404 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: true [2018-01-23 14:27:24,193 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:24,193 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:24,193 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:24,193 INFO L404 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: true [2018-01-23 14:27:24,193 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:27:24,193 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:27:24,193 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-23 14:27:24,194 INFO L404 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-01-23 14:27:24,194 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:27:24,194 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: true [2018-01-23 14:27:24,194 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:24,194 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:24,194 INFO L404 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: true [2018-01-23 14:27:24,194 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:24,195 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:24,195 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-23 14:27:24,195 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-23 14:27:24,195 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:24,195 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:24,195 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-23 14:27:24,195 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:24,195 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-23 14:27:24,195 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-23 14:27:24,196 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:24,196 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:27:24,196 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-23 14:27:24,196 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-23 14:27:24,196 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-23 14:27:24,196 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-23 14:27:24,196 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-23 14:27:24,196 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:24,196 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:27:24,197 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (= |#valid| |old(#valid)|)) [2018-01-23 14:27:24,197 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:27:24,197 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:24,197 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:24,197 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:27:24,197 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:27:24,197 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-23 14:27:24,197 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:24,197 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-23 14:27:24,198 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-23 14:27:24,198 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:24,198 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-23 14:27:24,198 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-23 14:27:24,198 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:27:24,198 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-23 14:27:24,198 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:24,198 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-23 14:27:24,199 INFO L404 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: true [2018-01-23 14:27:24,199 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-23 14:27:24,199 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-23 14:27:24,199 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-23 14:27:24,199 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: true [2018-01-23 14:27:24,199 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-23 14:27:24,199 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:24,199 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-23 14:27:24,200 INFO L397 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (= |#valid| |old(#valid)|)) [2018-01-23 14:27:24,200 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:24,200 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-23 14:27:24,200 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (= |#valid| |old(#valid)|)) [2018-01-23 14:27:24,200 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:24,200 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:24,200 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-23 14:27:24,201 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-23 14:27:24,201 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:24,201 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,201 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:24,201 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:27:24,201 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:27:24,201 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:24,201 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:27:24,201 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:27:24,202 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:27:24,202 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:27:24,202 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:27:24,202 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:24,202 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-23 14:27:24,202 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:24,202 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:27:24,202 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:24,203 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-23 14:27:24,203 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:24,203 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |#valid| |calloc_model_#t~malloc0.base|) 1)) [2018-01-23 14:27:24,203 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:24,203 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:24,203 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:24,203 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:24,204 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:27:24,204 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:24,204 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:27:24,204 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:27:24,204 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:27:24,204 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:27:24,204 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:27:24,204 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-23 14:27:24,204 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:24,204 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:27:24,204 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:27:24,209 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:27:24,209 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:27:24,210 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:27:24,210 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:27:24,210 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:27:24,210 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:27:24,210 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:27:24,210 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l0_insertErr0EnsuresViolation======== [2018-01-23 14:27:24,210 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:27:24,214 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-23 14:27:24,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-01-23 14:27:24,216 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:24,216 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:24,217 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l0_insertErr0EnsuresViolation]=== [2018-01-23 14:27:24,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1347593123, now seen corresponding path program 1 times [2018-01-23 14:27:24,217 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:24,217 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:24,218 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:24,218 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:24,219 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:24,232 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:24,254 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:24,254 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:24,254 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:24,265 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:24,302 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:24,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:27:24,344 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:24,344 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:24,344 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:27:24,344 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:27:24,345 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:24,345 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-23 14:27:24,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:24,367 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-23 14:27:24,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:27:24,367 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 35 [2018-01-23 14:27:24,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:24,369 INFO L225 Difference]: With dead ends: 354 [2018-01-23 14:27:24,369 INFO L226 Difference]: Without dead ends: 100 [2018-01-23 14:27:24,371 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:24,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-01-23 14:27:24,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-01-23 14:27:24,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-01-23 14:27:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-01-23 14:27:24,382 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 35 [2018-01-23 14:27:24,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:24,382 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-01-23 14:27:24,382 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:27:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-01-23 14:27:24,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-01-23 14:27:24,385 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:24,386 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:24,386 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l0_insertErr0EnsuresViolation]=== [2018-01-23 14:27:24,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1557316018, now seen corresponding path program 1 times [2018-01-23 14:27:24,386 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:24,386 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:24,387 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:24,387 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:24,387 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:24,408 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:24,479 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:24,479 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:24,479 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:24,501 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:24,622 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:24,688 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2018-01-23 14:27:24,720 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:24,721 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:24,721 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:27:24,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:27:24,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:27:24,722 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand 3 states. [2018-01-23 14:27:24,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:24,826 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2018-01-23 14:27:24,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:27:24,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2018-01-23 14:27:24,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:24,828 INFO L225 Difference]: With dead ends: 100 [2018-01-23 14:27:24,829 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:27:24,829 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:27:24,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:27:24,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:27:24,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:27:24,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:27:24,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2018-01-23 14:27:24,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:24,830 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:27:24,830 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:27:24,830 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:27:24,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:27:24,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:27:24,914 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:24,914 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:24,915 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:24,915 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:27:24,915 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:27:24,915 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:27:24,915 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:27:24,915 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-23 14:27:24,915 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:27:24,915 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:24,915 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:27:24,915 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:27:24,915 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:27:24,916 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:24,916 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-23 14:27:24,916 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:24,916 INFO L397 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:24,916 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-23 14:27:24,916 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:24,916 INFO L397 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:24,916 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:24,916 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-23 14:27:24,916 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:24,916 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:24,917 INFO L397 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:24,917 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:27:24,917 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-23 14:27:24,917 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:27:24,917 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:27:24,917 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:27:24,917 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:27:24,917 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:24,917 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:24,917 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:27:24,917 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:27:24,917 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-23 14:27:24,917 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:27:24,918 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:27:24,918 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:27:24,918 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:24,918 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:24,918 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:27:24,918 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:27:24,918 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-23 14:27:24,918 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,918 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:24,918 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:24,918 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,918 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:24,918 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:27:24,918 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-23 14:27:24,918 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,919 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-23 14:27:24,919 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-23 14:27:24,919 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:27:24,919 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-23 14:27:24,919 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:24,919 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,919 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:24,919 INFO L397 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) [2018-01-23 14:27:24,919 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:24,919 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-23 14:27:24,919 INFO L397 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:24,919 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:24,920 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:24,920 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:24,920 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-23 14:27:24,920 INFO L397 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:24,920 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:24,920 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-23 14:27:24,920 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-23 14:27:24,920 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-23 14:27:24,920 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:24,921 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,921 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:27:24,921 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,921 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,921 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-23 14:27:24,921 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-23 14:27:24,921 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:24,921 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:24,922 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,922 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:24,922 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:24,922 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:24,922 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,922 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:27:24,922 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:27:24,922 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-23 14:27:24,922 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,923 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:27:24,923 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,923 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:24,923 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:24,923 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,923 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:24,923 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:24,923 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-23 14:27:24,923 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-23 14:27:24,923 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:24,923 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:24,923 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-23 14:27:24,924 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:24,924 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-23 14:27:24,924 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-23 14:27:24,924 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:24,924 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:27:24,924 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-23 14:27:24,924 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-23 14:27:24,924 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-23 14:27:24,924 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-23 14:27:24,924 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-23 14:27:24,924 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:24,925 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:27:24,925 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:24,925 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:27:24,925 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:24,925 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:24,925 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:27:24,925 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:27:24,926 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-23 14:27:24,926 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:24,926 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-23 14:27:24,926 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-23 14:27:24,926 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:24,926 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-23 14:27:24,926 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-23 14:27:24,926 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:27:24,926 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-23 14:27:24,927 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:24,927 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,927 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,927 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-23 14:27:24,927 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-23 14:27:24,927 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-23 14:27:24,927 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,927 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-23 14:27:24,927 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:24,927 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-23 14:27:24,927 INFO L397 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:24,927 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:24,927 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-23 14:27:24,928 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:24,928 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:24,928 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:24,928 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-23 14:27:24,928 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-23 14:27:24,928 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:24,928 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:24,928 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:24,928 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:27:24,928 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:27:24,928 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:24,928 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:27:24,928 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:27:24,928 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:27:24,928 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:27:24,928 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:27:24,929 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:24,929 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-23 14:27:24,929 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:24,929 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:27:24,929 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:24,929 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-23 14:27:24,929 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:24,929 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |#valid| |calloc_model_#t~malloc0.base|) 1)) [2018-01-23 14:27:24,929 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:24,929 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:24,929 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:24,929 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:24,929 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:27:24,929 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:24,929 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:27:24,930 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:27:24,930 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:27:24,930 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:27:24,930 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:27:24,930 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-23 14:27:24,930 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:24,930 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:27:24,930 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:27:24,933 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:27:24,933 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:27:24,933 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:27:24,933 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:27:24,933 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:27:24,933 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:27:24,933 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:27:24,933 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l4_destroyErr0EnsuresViolation======== [2018-01-23 14:27:24,933 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:27:24,936 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-23 14:27:24,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-23 14:27:24,937 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:24,937 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:24,938 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l4_destroyErr0EnsuresViolation]=== [2018-01-23 14:27:24,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1153732616, now seen corresponding path program 1 times [2018-01-23 14:27:24,938 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:24,938 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:24,939 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:24,939 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:24,939 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:24,945 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:24,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:27:24,954 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:24,954 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:24,954 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:27:24,954 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:27:24,955 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:24,955 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-23 14:27:24,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:24,970 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-23 14:27:24,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:27:24,970 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2018-01-23 14:27:24,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:24,972 INFO L225 Difference]: With dead ends: 354 [2018-01-23 14:27:24,972 INFO L226 Difference]: Without dead ends: 160 [2018-01-23 14:27:24,973 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:24,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-01-23 14:27:24,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-01-23 14:27:24,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-01-23 14:27:24,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 175 transitions. [2018-01-23 14:27:24,988 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 175 transitions. Word has length 29 [2018-01-23 14:27:24,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:24,989 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 175 transitions. [2018-01-23 14:27:24,989 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:27:24,989 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 175 transitions. [2018-01-23 14:27:24,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-01-23 14:27:24,993 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:24,993 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:24,993 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l4_destroyErr0EnsuresViolation]=== [2018-01-23 14:27:24,993 INFO L82 PathProgramCache]: Analyzing trace with hash -110749203, now seen corresponding path program 1 times [2018-01-23 14:27:24,994 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:24,994 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:24,995 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:24,995 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:24,995 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:25,013 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:25,096 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:25,096 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:25,096 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:25,112 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:25,264 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:25,275 WARN L1029 $PredicateComparison]: unable to prove that (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1)))) is different from true [2018-01-23 14:27:25,281 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:27:25,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 13 [2018-01-23 14:27:25,282 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:27:25,284 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:27:25,284 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-23 14:27:25,296 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((v_prenex_2 Int)) (and (= |c_#valid| (store |c_old(#valid)| v_prenex_2 1)) (<= (select |c_old(#valid)| v_prenex_2) 0)))) is different from true [2018-01-23 14:27:25,341 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-23 14:27:25,362 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:25,362 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:27:25,363 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:27:25,363 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:27:25,363 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-23 14:27:25,364 INFO L87 Difference]: Start difference. First operand 160 states and 175 transitions. Second operand 6 states. [2018-01-23 14:27:25,399 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1))))) is different from true [2018-01-23 14:27:25,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:25,407 INFO L93 Difference]: Finished difference Result 176 states and 195 transitions. [2018-01-23 14:27:25,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:27:25,407 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 213 [2018-01-23 14:27:25,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:25,408 INFO L225 Difference]: With dead ends: 176 [2018-01-23 14:27:25,408 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:27:25,409 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=14, Unknown=3, NotChecked=24, Total=56 [2018-01-23 14:27:25,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:27:25,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:27:25,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:27:25,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:27:25,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2018-01-23 14:27:25,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:25,409 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:27:25,409 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:27:25,409 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:27:25,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:27:25,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:27:25,662 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:25,662 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:25,662 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:25,662 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:27:25,662 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:27:25,662 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:27:25,662 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:27:25,662 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-23 14:27:25,663 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:27:25,663 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:25,663 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:27:25,663 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:27:25,663 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:27:25,663 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:25,663 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-23 14:27:25,663 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:25,663 INFO L397 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:25,663 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-23 14:27:25,663 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:25,663 INFO L397 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:25,663 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:25,664 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-23 14:27:25,664 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:25,664 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:25,664 INFO L397 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:25,664 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:27:25,664 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-23 14:27:25,664 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:27:25,664 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:27:25,664 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:27:25,664 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:27:25,664 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:25,664 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:25,664 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:27:25,664 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:27:25,665 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-23 14:27:25,665 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:27:25,665 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:27:25,665 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:27:25,665 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:25,665 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:25,665 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:27:25,665 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:27:25,665 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-23 14:27:25,665 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:25,665 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:25,665 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:25,665 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:25,665 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:25,665 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:27:25,666 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-23 14:27:25,666 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:25,666 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-23 14:27:25,666 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-23 14:27:25,666 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:27:25,666 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-23 14:27:25,666 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:25,666 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:25,666 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:25,666 INFO L397 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) [2018-01-23 14:27:25,666 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:25,666 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-23 14:27:25,666 INFO L397 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:25,666 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:25,667 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:25,667 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:25,667 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-23 14:27:25,667 INFO L397 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:25,667 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:25,667 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-23 14:27:25,667 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-23 14:27:25,667 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-23 14:27:25,667 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:25,667 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:25,667 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:27:25,667 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:25,667 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:25,667 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-23 14:27:25,667 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-23 14:27:25,668 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:25,668 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:25,668 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:25,668 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:25,668 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:25,668 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:25,668 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:25,668 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:27:25,668 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:27:25,668 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-23 14:27:25,668 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:25,668 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:27:25,668 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:25,668 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:25,668 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:25,669 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:25,669 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:25,669 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:25,669 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-23 14:27:25,669 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-23 14:27:25,669 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:25,669 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:25,669 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-23 14:27:25,669 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:25,669 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-23 14:27:25,669 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-23 14:27:25,669 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:25,669 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:27:25,669 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-23 14:27:25,669 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-23 14:27:25,669 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-23 14:27:25,670 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-23 14:27:25,670 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-23 14:27:25,670 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:25,670 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:27:25,670 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:25,670 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:27:25,670 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:25,670 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:25,670 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:27:25,670 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:27:25,670 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-23 14:27:25,670 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:25,670 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-23 14:27:25,670 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-23 14:27:25,671 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:25,671 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-23 14:27:25,671 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-23 14:27:25,671 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:27:25,671 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-23 14:27:25,671 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:25,671 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:25,671 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:25,671 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-23 14:27:25,671 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-23 14:27:25,671 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-23 14:27:25,671 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:25,671 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-23 14:27:25,671 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:25,671 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-23 14:27:25,672 INFO L397 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:25,672 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:25,672 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-23 14:27:25,672 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:25,672 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:25,672 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:25,672 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-23 14:27:25,672 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-23 14:27:25,672 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:25,672 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:25,672 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:25,672 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:27:25,672 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:27:25,672 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:25,673 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:27:25,673 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:27:25,673 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:27:25,673 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:27:25,673 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:27:25,673 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:25,673 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-23 14:27:25,673 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:25,673 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:27:25,673 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:25,673 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-23 14:27:25,673 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:25,673 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |#valid| |calloc_model_#t~malloc0.base|) 1)) [2018-01-23 14:27:25,674 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:25,674 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:25,674 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:25,674 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:25,674 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:27:25,674 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:25,674 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:27:25,674 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:27:25,674 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:27:25,674 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:27:25,674 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:27:25,674 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-23 14:27:25,674 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:25,674 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:27:25,674 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:27:25,676 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:27:25,676 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:27:25,676 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:27:25,676 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:27:25,676 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:27:25,676 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:27:25,676 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:27:25,676 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l2_insertErr0EnsuresViolation======== [2018-01-23 14:27:25,676 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:27:25,678 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-23 14:27:25,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-01-23 14:27:25,680 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:25,680 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:25,680 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l2_insertErr0EnsuresViolation]=== [2018-01-23 14:27:25,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1369468608, now seen corresponding path program 1 times [2018-01-23 14:27:25,680 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:25,680 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:25,681 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:25,681 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:25,681 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:25,690 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:25,714 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:25,714 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:25,714 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:25,726 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:25,780 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:25,788 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-01-23 14:27:25,810 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:25,811 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:25,811 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:27:25,811 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:27:25,811 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:25,811 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-23 14:27:25,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:25,823 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-23 14:27:25,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:27:25,823 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 80 [2018-01-23 14:27:25,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:25,824 INFO L225 Difference]: With dead ends: 354 [2018-01-23 14:27:25,824 INFO L226 Difference]: Without dead ends: 100 [2018-01-23 14:27:25,826 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:25,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-01-23 14:27:25,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-01-23 14:27:25,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-01-23 14:27:25,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-01-23 14:27:25,835 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 80 [2018-01-23 14:27:25,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:25,835 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-01-23 14:27:25,835 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:27:25,836 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-01-23 14:27:25,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-01-23 14:27:25,837 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:25,837 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:25,837 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l2_insertErr0EnsuresViolation]=== [2018-01-23 14:27:25,838 INFO L82 PathProgramCache]: Analyzing trace with hash 982384267, now seen corresponding path program 1 times [2018-01-23 14:27:25,838 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:25,838 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:25,838 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:25,838 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:25,839 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:25,850 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:25,901 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:25,901 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:25,901 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:25,913 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:26,016 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:26,079 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2018-01-23 14:27:26,114 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:26,114 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:26,115 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:27:26,115 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:27:26,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:27:26,115 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand 3 states. [2018-01-23 14:27:26,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:26,207 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2018-01-23 14:27:26,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:27:26,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2018-01-23 14:27:26,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:26,208 INFO L225 Difference]: With dead ends: 100 [2018-01-23 14:27:26,208 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:27:26,208 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:27:26,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:27:26,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:27:26,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:27:26,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:27:26,209 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 164 [2018-01-23 14:27:26,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:26,209 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:27:26,209 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:27:26,209 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:27:26,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:27:26,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:27:26,261 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:26,262 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:26,262 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:26,262 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:27:26,262 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:27:26,262 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:27:26,262 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:27:26,262 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-23 14:27:26,262 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:27:26,262 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:26,263 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:27:26,263 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:27:26,263 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:27:26,263 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:26,263 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-23 14:27:26,263 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:26,263 INFO L397 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:26,263 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-23 14:27:26,263 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:26,264 INFO L397 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:26,264 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:26,264 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-23 14:27:26,264 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:26,264 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:26,264 INFO L397 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:26,264 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:27:26,264 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-23 14:27:26,264 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:27:26,265 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:27:26,265 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:27:26,265 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:27:26,265 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:26,265 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:26,265 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:27:26,265 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:27:26,265 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-23 14:27:26,265 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:27:26,265 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:27:26,266 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:27:26,266 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:26,266 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:26,266 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:27:26,266 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:27:26,266 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-23 14:27:26,266 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,266 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:26,266 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:26,266 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,267 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:26,267 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:27:26,267 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-23 14:27:26,267 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,267 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-23 14:27:26,267 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-23 14:27:26,267 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:27:26,267 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-23 14:27:26,267 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:26,267 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,268 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:26,268 INFO L397 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) [2018-01-23 14:27:26,268 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:26,268 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-23 14:27:26,268 INFO L397 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:26,268 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:26,268 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:26,268 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:26,268 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-23 14:27:26,269 INFO L397 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:26,269 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:26,269 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-23 14:27:26,269 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-23 14:27:26,269 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-23 14:27:26,269 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:26,269 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,269 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:27:26,269 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,269 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,270 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-23 14:27:26,270 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-23 14:27:26,270 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:26,270 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:26,270 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,270 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:26,270 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:26,270 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:26,270 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,270 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:27:26,271 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:27:26,271 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-23 14:27:26,271 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,271 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:27:26,271 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,271 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:26,271 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:26,271 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,271 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:26,271 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:26,272 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-23 14:27:26,272 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-23 14:27:26,272 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:26,272 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:26,272 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-23 14:27:26,272 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:26,272 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-23 14:27:26,272 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-23 14:27:26,272 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:26,272 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:27:26,272 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-23 14:27:26,273 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-23 14:27:26,273 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-23 14:27:26,273 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-23 14:27:26,273 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-23 14:27:26,273 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:26,273 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:27:26,273 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:26,273 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:27:26,273 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:26,274 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:26,274 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:27:26,274 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:27:26,274 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-23 14:27:26,274 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:26,274 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-23 14:27:26,274 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-23 14:27:26,274 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:26,274 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-23 14:27:26,274 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-23 14:27:26,275 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:27:26,275 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-23 14:27:26,275 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:26,275 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,275 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,275 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-23 14:27:26,275 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-23 14:27:26,275 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-23 14:27:26,275 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,275 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-23 14:27:26,276 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:26,276 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-23 14:27:26,276 INFO L397 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:26,276 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:26,276 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-23 14:27:26,276 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:26,276 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:26,276 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:26,276 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-23 14:27:26,276 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-23 14:27:26,277 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:26,277 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,277 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:26,277 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:27:26,277 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:27:26,277 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:26,277 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:27:26,277 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:27:26,277 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:27:26,277 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:27:26,278 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:27:26,278 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:26,278 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-23 14:27:26,278 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:26,278 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:27:26,278 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:26,278 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-23 14:27:26,278 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:26,278 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |#valid| |calloc_model_#t~malloc0.base|) 1)) [2018-01-23 14:27:26,278 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:26,279 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:26,279 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:26,279 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:26,279 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:27:26,279 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:26,279 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:27:26,279 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:27:26,279 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:27:26,279 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:27:26,279 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:27:26,280 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-23 14:27:26,280 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:26,280 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:27:26,280 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:27:26,281 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:27:26,282 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:27:26,282 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:27:26,282 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:27:26,282 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:27:26,282 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:27:26,282 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:27:26,282 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-23 14:27:26,282 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:27:26,284 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-23 14:27:26,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-23 14:27:26,285 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:26,285 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:26,285 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-23 14:27:26,285 INFO L82 PathProgramCache]: Analyzing trace with hash 742240668, now seen corresponding path program 1 times [2018-01-23 14:27:26,286 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:26,286 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:26,286 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:26,287 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:26,287 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:26,291 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:27:26,297 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:26,297 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:26,297 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:27:26,298 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:27:26,298 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:26,298 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-23 14:27:26,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:26,310 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-23 14:27:26,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:27:26,310 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-01-23 14:27:26,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:26,312 INFO L225 Difference]: With dead ends: 354 [2018-01-23 14:27:26,312 INFO L226 Difference]: Without dead ends: 164 [2018-01-23 14:27:26,313 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:26,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-01-23 14:27:26,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-01-23 14:27:26,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-01-23 14:27:26,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 179 transitions. [2018-01-23 14:27:26,324 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 179 transitions. Word has length 16 [2018-01-23 14:27:26,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:26,324 INFO L432 AbstractCegarLoop]: Abstraction has 164 states and 179 transitions. [2018-01-23 14:27:26,324 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:27:26,325 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 179 transitions. [2018-01-23 14:27:26,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-01-23 14:27:26,328 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:26,328 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:26,328 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-23 14:27:26,328 INFO L82 PathProgramCache]: Analyzing trace with hash 884785413, now seen corresponding path program 1 times [2018-01-23 14:27:26,329 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:26,329 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:26,329 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:26,330 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:26,330 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:26,346 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:26,412 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:26,412 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:26,412 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:26,422 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:26,557 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:26,658 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2018-01-23 14:27:26,683 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:26,683 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:26,684 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:27:26,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:27:26,684 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:27:26,685 INFO L87 Difference]: Start difference. First operand 164 states and 179 transitions. Second operand 3 states. [2018-01-23 14:27:26,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:26,808 INFO L93 Difference]: Finished difference Result 195 states and 214 transitions. [2018-01-23 14:27:26,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:27:26,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 248 [2018-01-23 14:27:26,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:26,810 INFO L225 Difference]: With dead ends: 195 [2018-01-23 14:27:26,810 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:27:26,811 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:27:26,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:27:26,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:27:26,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:27:26,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:27:26,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 248 [2018-01-23 14:27:26,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:26,812 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:27:26,812 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:27:26,812 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:27:26,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:27:26,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:27:26,868 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:26,869 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:26,869 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:26,869 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:27:26,869 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:27:26,869 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:27:26,869 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:27:26,869 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,869 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:27:26,869 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:26,869 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:27:26,869 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:27:26,869 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:27:26,869 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:26,869 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-23 14:27:26,870 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:26,870 INFO L397 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:26,870 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-23 14:27:26,870 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:26,870 INFO L397 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:26,870 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:26,870 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-23 14:27:26,870 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:26,870 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:26,870 INFO L397 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:26,870 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:27:26,870 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-23 14:27:26,870 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:27:26,871 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:27:26,871 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:27:26,871 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:27:26,871 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:26,871 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:26,871 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:27:26,871 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:27:26,871 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,871 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:27:26,871 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:27:26,871 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:27:26,871 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:26,871 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:26,871 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:27:26,871 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:27:26,871 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-23 14:27:26,872 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,872 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:26,872 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:26,872 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,872 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:26,872 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:27:26,872 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-23 14:27:26,872 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,872 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-23 14:27:26,872 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-23 14:27:26,872 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:27:26,872 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-23 14:27:26,872 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:26,872 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,872 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:26,873 INFO L397 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:26,873 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:26,873 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-23 14:27:26,873 INFO L397 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:26,873 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:26,873 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:26,873 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:26,873 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-23 14:27:26,873 INFO L397 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:26,873 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:26,873 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-23 14:27:26,873 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-23 14:27:26,873 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-23 14:27:26,873 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:26,874 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,874 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:27:26,874 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,874 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,874 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-23 14:27:26,874 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-23 14:27:26,874 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:26,874 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:26,874 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,874 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:26,874 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:26,874 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:26,874 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,874 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:27:26,874 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:27:26,874 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-23 14:27:26,875 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,875 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:27:26,875 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,875 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:26,875 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:26,875 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,875 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:26,875 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:26,875 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-23 14:27:26,875 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-23 14:27:26,875 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:26,875 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:26,875 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-23 14:27:26,875 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:26,875 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-23 14:27:26,875 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-23 14:27:26,875 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:26,876 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:27:26,876 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-23 14:27:26,876 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-23 14:27:26,876 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-23 14:27:26,876 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-23 14:27:26,876 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,876 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:26,876 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:27:26,876 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:26,876 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:27:26,876 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:26,876 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:26,876 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:27:26,876 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:27:26,877 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-23 14:27:26,877 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:26,877 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-23 14:27:26,877 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-23 14:27:26,877 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:26,877 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-23 14:27:26,877 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-23 14:27:26,877 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:27:26,877 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-23 14:27:26,877 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:26,877 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,877 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,877 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-23 14:27:26,877 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-23 14:27:26,877 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-23 14:27:26,877 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,878 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-23 14:27:26,878 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:26,878 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-23 14:27:26,878 INFO L397 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:26,878 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:26,878 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-23 14:27:26,878 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:26,878 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:26,878 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:26,878 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-23 14:27:26,878 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-23 14:27:26,879 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:26,879 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,879 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:26,879 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:27:26,879 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:27:26,879 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:26,879 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:27:26,879 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:27:26,879 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:27:26,879 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:27:26,879 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:27:26,879 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:26,879 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,880 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:26,880 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:27:26,880 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:26,880 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-23 14:27:26,880 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:26,880 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |#valid| |calloc_model_#t~malloc0.base|) 1)) [2018-01-23 14:27:26,880 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:26,880 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:26,880 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:26,880 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:26,880 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:27:26,880 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:26,880 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:27:26,880 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:27:26,880 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:27:26,881 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:27:26,881 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:27:26,881 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:26,881 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:26,881 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:27:26,881 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:27:26,882 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:27:26,883 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:27:26,883 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:27:26,883 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:27:26,883 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:27:26,883 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:27:26,883 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:27:26,883 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l3_insertErr0EnsuresViolation======== [2018-01-23 14:27:26,883 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:27:26,885 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-23 14:27:26,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-01-23 14:27:26,886 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:26,886 INFO L322 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:26,886 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l3_insertErr0EnsuresViolation]=== [2018-01-23 14:27:26,886 INFO L82 PathProgramCache]: Analyzing trace with hash -138312325, now seen corresponding path program 1 times [2018-01-23 14:27:26,886 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:26,886 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:26,887 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:26,887 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:26,887 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:26,894 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:26,913 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:26,913 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:26,913 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:26,923 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:26,999 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:27,009 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-01-23 14:27:27,045 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:27,045 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:27,045 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:27:27,046 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:27:27,046 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:27,046 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-23 14:27:27,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:27,058 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-23 14:27:27,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:27:27,058 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 102 [2018-01-23 14:27:27,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:27,059 INFO L225 Difference]: With dead ends: 354 [2018-01-23 14:27:27,060 INFO L226 Difference]: Without dead ends: 100 [2018-01-23 14:27:27,061 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:27,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-01-23 14:27:27,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-01-23 14:27:27,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-01-23 14:27:27,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-01-23 14:27:27,068 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 102 [2018-01-23 14:27:27,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:27,069 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-01-23 14:27:27,069 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:27:27,069 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-01-23 14:27:27,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-01-23 14:27:27,070 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:27,070 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:27,070 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l3_insertErr0EnsuresViolation]=== [2018-01-23 14:27:27,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1152316646, now seen corresponding path program 1 times [2018-01-23 14:27:27,071 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:27,071 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:27,072 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:27,072 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:27,072 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:27,084 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:27,121 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:27,121 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:27,121 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:27,130 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:27,244 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:27,316 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-01-23 14:27:27,338 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:27,338 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:27,339 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:27:27,339 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:27:27,339 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:27:27,339 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand 3 states. [2018-01-23 14:27:27,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:27,424 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2018-01-23 14:27:27,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:27:27,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2018-01-23 14:27:27,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:27,426 INFO L225 Difference]: With dead ends: 100 [2018-01-23 14:27:27,426 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:27:27,426 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:27:27,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:27:27,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:27:27,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:27:27,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:27:27,427 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-01-23 14:27:27,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:27,427 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:27:27,427 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:27:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:27:27,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:27:27,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:27:27,502 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:27,502 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:27,502 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:27,503 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:27:27,503 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:27:27,503 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:27:27,503 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:27:27,503 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,503 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:27:27,503 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:27,503 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:27:27,503 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:27:27,503 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:27:27,503 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:27,503 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-23 14:27:27,503 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:27,503 INFO L397 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:27,504 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-23 14:27:27,504 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:27,504 INFO L397 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:27,504 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:27,504 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-23 14:27:27,504 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:27,504 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:27,504 INFO L397 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:27,504 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:27:27,504 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-23 14:27:27,504 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:27:27,504 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:27:27,504 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:27:27,504 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:27:27,504 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:27,505 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:27,505 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:27:27,505 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:27:27,505 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,505 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:27:27,505 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:27:27,505 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:27:27,505 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:27,505 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:27,505 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:27:27,505 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:27:27,505 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-23 14:27:27,505 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,505 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:27,505 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:27,505 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,506 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:27,506 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:27:27,506 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-23 14:27:27,506 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,506 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-23 14:27:27,506 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-23 14:27:27,506 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:27:27,506 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-23 14:27:27,506 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:27,506 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,506 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:27,506 INFO L397 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:27,506 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:27,506 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-23 14:27:27,507 INFO L397 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:27,507 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:27,507 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:27,507 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:27,507 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-23 14:27:27,507 INFO L397 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:27,507 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:27,507 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-23 14:27:27,507 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-23 14:27:27,507 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-23 14:27:27,507 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:27,508 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,508 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:27:27,508 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,508 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,508 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-23 14:27:27,508 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-23 14:27:27,508 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:27,508 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:27,508 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,508 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:27,508 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:27,508 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:27,509 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,509 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:27:27,509 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:27:27,509 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-23 14:27:27,509 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,509 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:27:27,509 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,509 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:27,509 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:27,509 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,509 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:27,509 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:27,509 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-23 14:27:27,509 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-23 14:27:27,509 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:27,509 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:27,510 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-23 14:27:27,510 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:27,510 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-23 14:27:27,510 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-23 14:27:27,510 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:27,510 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:27:27,510 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-23 14:27:27,510 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-23 14:27:27,510 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-23 14:27:27,510 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-23 14:27:27,510 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,510 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:27,510 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:27:27,510 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:27,510 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:27:27,511 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:27,511 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:27,511 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:27:27,511 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:27:27,511 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-23 14:27:27,511 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:27,511 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-23 14:27:27,511 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-23 14:27:27,511 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:27,511 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-23 14:27:27,511 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-23 14:27:27,511 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:27:27,511 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-23 14:27:27,511 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:27,511 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,512 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,512 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-23 14:27:27,512 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-23 14:27:27,512 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-23 14:27:27,512 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,512 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-23 14:27:27,512 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:27,512 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-23 14:27:27,512 INFO L397 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:27,512 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:27,512 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-23 14:27:27,512 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:27,512 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:27,512 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:27,512 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-23 14:27:27,512 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-23 14:27:27,513 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:27,513 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,513 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:27,513 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:27:27,513 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:27:27,513 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:27,513 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:27:27,513 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:27:27,513 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:27:27,513 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:27:27,513 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:27:27,513 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:27,513 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,513 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:27,513 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:27:27,513 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:27,514 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-23 14:27:27,514 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:27,514 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |#valid| |calloc_model_#t~malloc0.base|) 1)) [2018-01-23 14:27:27,514 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:27,514 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:27,514 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:27,514 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:27,514 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:27:27,514 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:27,514 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:27:27,514 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:27:27,514 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:27:27,514 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:27:27,514 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:27:27,514 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,514 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:27,514 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:27:27,515 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:27:27,516 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:27:27,516 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:27:27,517 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:27:27,517 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:27:27,517 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:27:27,517 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:27:27,517 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:27:27,517 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l1_insertErr0EnsuresViolation======== [2018-01-23 14:27:27,517 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:27:27,519 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-23 14:27:27,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-01-23 14:27:27,519 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:27,520 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:27,520 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l1_insertErr0EnsuresViolation]=== [2018-01-23 14:27:27,520 INFO L82 PathProgramCache]: Analyzing trace with hash 470535462, now seen corresponding path program 1 times [2018-01-23 14:27:27,520 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:27,520 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:27,521 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:27,521 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:27,521 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:27,526 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:27,539 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:27,539 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:27,539 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:27,547 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:27,582 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:27,587 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-23 14:27:27,622 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:27,622 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:27,622 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:27:27,623 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:27:27,623 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:27,623 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-23 14:27:27,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:27,634 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-23 14:27:27,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:27:27,634 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 58 [2018-01-23 14:27:27,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:27,635 INFO L225 Difference]: With dead ends: 354 [2018-01-23 14:27:27,635 INFO L226 Difference]: Without dead ends: 100 [2018-01-23 14:27:27,636 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:27,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-01-23 14:27:27,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-01-23 14:27:27,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-01-23 14:27:27,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-01-23 14:27:27,642 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 58 [2018-01-23 14:27:27,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:27,642 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-01-23 14:27:27,642 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:27:27,643 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-01-23 14:27:27,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-01-23 14:27:27,644 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:27,644 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:27,644 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l1_insertErr0EnsuresViolation]=== [2018-01-23 14:27:27,644 INFO L82 PathProgramCache]: Analyzing trace with hash 287256462, now seen corresponding path program 1 times [2018-01-23 14:27:27,644 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:27,644 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:27,645 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:27,646 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:27,646 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:27,658 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:27,696 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:27,696 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:27,696 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:27,702 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:27,796 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:27,845 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-01-23 14:27:27,867 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:27,868 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:27,868 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:27:27,868 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:27:27,868 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:27:27,869 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand 3 states. [2018-01-23 14:27:27,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:27,914 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2018-01-23 14:27:27,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:27:27,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2018-01-23 14:27:27,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:27,915 INFO L225 Difference]: With dead ends: 100 [2018-01-23 14:27:27,915 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:27:27,916 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:27:27,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:27:27,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:27:27,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:27:27,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:27:27,916 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2018-01-23 14:27:27,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:27,916 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:27:27,916 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:27:27,916 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:27:27,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:27:27,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:27:27,985 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:27,985 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:27,985 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:27,985 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:27:27,986 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:27:27,986 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:27:27,986 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:27:27,986 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,986 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:27:27,986 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:27,986 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:27:27,986 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:27:27,986 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:27:27,986 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:27,986 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-23 14:27:27,986 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:27,986 INFO L397 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:27,986 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-23 14:27:27,986 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:27,987 INFO L397 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:27,987 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:27,987 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-23 14:27:27,987 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:27,987 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:27,987 INFO L397 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:27,987 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:27:27,987 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-23 14:27:27,987 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:27:27,987 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:27:27,987 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:27:27,987 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:27:27,987 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:27,987 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:27,987 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:27:27,988 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:27:27,988 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,988 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:27:27,988 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:27:27,988 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:27:27,988 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:27,988 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:27,988 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:27:27,988 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:27:27,988 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-23 14:27:27,988 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,988 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:27,988 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:27,989 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,989 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:27,989 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:27:27,989 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-23 14:27:27,989 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,989 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-23 14:27:27,989 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-23 14:27:27,989 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:27:27,989 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-23 14:27:27,989 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:27,990 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,990 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:27,990 INFO L397 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:27,990 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:27,990 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-23 14:27:27,990 INFO L397 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:27,990 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:27,990 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:27,990 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:27,991 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-23 14:27:27,991 INFO L397 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:27,991 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:27,991 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-23 14:27:27,991 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-23 14:27:27,991 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-23 14:27:27,991 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:27,991 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,991 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:27:27,992 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,992 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,992 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-23 14:27:27,992 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-23 14:27:27,992 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:27,992 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:27,992 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,992 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:27,992 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:27,992 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:27,992 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,993 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:27:27,993 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:27:27,993 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-23 14:27:27,993 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,993 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:27:27,993 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,993 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:27,993 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:27,993 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,993 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:27,994 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:27,994 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-23 14:27:27,994 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-23 14:27:27,994 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:27,994 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:27,994 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-23 14:27:27,994 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:27,994 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-23 14:27:27,994 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-23 14:27:27,994 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:27,995 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:27:27,995 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-23 14:27:27,995 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-23 14:27:27,995 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-23 14:27:27,995 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-23 14:27:27,995 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,995 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:27,995 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:27:27,995 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:27,995 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:27:27,996 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:27,996 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:27,996 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:27:27,996 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:27:27,996 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-23 14:27:27,996 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:27,996 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-23 14:27:27,996 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-23 14:27:27,996 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:27,996 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-23 14:27:27,997 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-23 14:27:27,997 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:27:27,997 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-23 14:27:27,997 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:27,997 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,997 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,997 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-23 14:27:27,997 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-23 14:27:27,997 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-23 14:27:27,998 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,998 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-23 14:27:27,998 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:27,998 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-23 14:27:27,998 INFO L397 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:27,998 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:27,998 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-23 14:27:27,998 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:27,998 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:27,998 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:27,999 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-23 14:27:27,999 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-23 14:27:27,999 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:27,999 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:27,999 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:27,999 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:27:27,999 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:27:27,999 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:27,999 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:27:27,999 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:27:28,000 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:27:28,000 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:27:28,000 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:27:28,000 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:28,000 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,000 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:28,000 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:27:28,000 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:28,000 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-23 14:27:28,001 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:28,001 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |#valid| |calloc_model_#t~malloc0.base|) 1)) [2018-01-23 14:27:28,001 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:28,001 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:28,001 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:28,001 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:28,001 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:27:28,001 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:28,001 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:27:28,001 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:27:28,001 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:27:28,002 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:27:28,002 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:27:28,002 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,002 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:28,002 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:27:28,002 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:27:28,004 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:27:28,004 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:27:28,004 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:27:28,004 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:27:28,004 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:27:28,004 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:27:28,004 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:27:28,005 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l0_destroyErr0EnsuresViolation======== [2018-01-23 14:27:28,005 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:27:28,006 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-23 14:27:28,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-23 14:27:28,007 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:28,007 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:28,007 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l0_destroyErr0EnsuresViolation]=== [2018-01-23 14:27:28,007 INFO L82 PathProgramCache]: Analyzing trace with hash 865621350, now seen corresponding path program 1 times [2018-01-23 14:27:28,008 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:28,008 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:28,009 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:28,009 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:28,009 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:28,013 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:28,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:27:28,017 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:28,017 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:28,018 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:27:28,018 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:27:28,018 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:28,018 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-23 14:27:28,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:28,028 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-23 14:27:28,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:27:28,028 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-01-23 14:27:28,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:28,029 INFO L225 Difference]: With dead ends: 354 [2018-01-23 14:27:28,029 INFO L226 Difference]: Without dead ends: 161 [2018-01-23 14:27:28,030 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:28,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-01-23 14:27:28,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-01-23 14:27:28,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-01-23 14:27:28,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 176 transitions. [2018-01-23 14:27:28,040 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 176 transitions. Word has length 13 [2018-01-23 14:27:28,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:28,040 INFO L432 AbstractCegarLoop]: Abstraction has 161 states and 176 transitions. [2018-01-23 14:27:28,040 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:27:28,040 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 176 transitions. [2018-01-23 14:27:28,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-01-23 14:27:28,042 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:28,042 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:28,042 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l0_destroyErr0EnsuresViolation]=== [2018-01-23 14:27:28,043 INFO L82 PathProgramCache]: Analyzing trace with hash 411346589, now seen corresponding path program 1 times [2018-01-23 14:27:28,043 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:28,043 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:28,044 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:28,044 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:28,044 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:28,059 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:28,123 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:28,123 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:28,123 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:28,136 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:28,264 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:28,294 WARN L1029 $PredicateComparison]: unable to prove that (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1)))) is different from true [2018-01-23 14:27:28,312 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:27:28,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 13 [2018-01-23 14:27:28,313 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:27:28,330 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:27:28,330 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-23 14:27:28,350 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((v_prenex_3 Int)) (and (= |c_#valid| (store |c_old(#valid)| v_prenex_3 1)) (<= (select |c_old(#valid)| v_prenex_3) 0)))) is different from true [2018-01-23 14:27:28,381 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-23 14:27:28,403 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:28,403 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:27:28,403 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:27:28,403 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:27:28,403 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-23 14:27:28,403 INFO L87 Difference]: Start difference. First operand 161 states and 176 transitions. Second operand 6 states. [2018-01-23 14:27:28,430 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1))))) is different from true [2018-01-23 14:27:28,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:28,434 INFO L93 Difference]: Finished difference Result 177 states and 196 transitions. [2018-01-23 14:27:28,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:27:28,434 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 245 [2018-01-23 14:27:28,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:28,435 INFO L225 Difference]: With dead ends: 177 [2018-01-23 14:27:28,435 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:27:28,436 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=14, Unknown=3, NotChecked=24, Total=56 [2018-01-23 14:27:28,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:27:28,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:27:28,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:27:28,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:27:28,436 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2018-01-23 14:27:28,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:28,437 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:27:28,437 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:27:28,437 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:27:28,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:27:28,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:27:28,539 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:28,539 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:28,539 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:28,539 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:27:28,539 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:27:28,539 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:27:28,539 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:27:28,539 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,539 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:27:28,539 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:28,539 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:27:28,539 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:27:28,539 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:27:28,540 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:28,540 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-23 14:27:28,540 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:28,540 INFO L397 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:28,540 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-23 14:27:28,540 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:28,540 INFO L397 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:28,540 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:28,540 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-23 14:27:28,540 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:28,540 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:28,540 INFO L397 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:28,540 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:27:28,540 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-23 14:27:28,541 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:27:28,541 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:27:28,541 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:27:28,541 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:27:28,541 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:28,541 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:28,541 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:27:28,541 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:27:28,541 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,541 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:27:28,541 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:27:28,541 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:27:28,541 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:28,541 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:28,541 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:27:28,541 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:27:28,541 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-23 14:27:28,542 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,542 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:28,542 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:28,542 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,542 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:28,542 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:27:28,542 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-23 14:27:28,542 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,542 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-23 14:27:28,542 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-23 14:27:28,542 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:27:28,542 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-23 14:27:28,542 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:28,542 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,542 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:28,542 INFO L397 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:28,543 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:28,543 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-23 14:27:28,543 INFO L397 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:28,543 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:28,543 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:28,543 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:28,543 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-23 14:27:28,543 INFO L397 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:28,543 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:28,543 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-23 14:27:28,543 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-23 14:27:28,543 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-23 14:27:28,543 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:28,543 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,543 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:27:28,544 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,544 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,544 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-23 14:27:28,544 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-23 14:27:28,544 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:28,544 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:28,544 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,544 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:28,544 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:28,544 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:28,544 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,544 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:27:28,544 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:27:28,544 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-23 14:27:28,545 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,545 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:27:28,545 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,545 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:28,545 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:28,545 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,545 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:28,545 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:28,545 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-23 14:27:28,545 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-23 14:27:28,546 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:28,546 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:28,546 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-23 14:27:28,546 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:28,546 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-23 14:27:28,546 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-23 14:27:28,546 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:28,546 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:27:28,546 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-23 14:27:28,546 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-23 14:27:28,546 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-23 14:27:28,547 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-23 14:27:28,547 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,547 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:28,547 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:27:28,547 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:28,547 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:27:28,547 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:28,547 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:28,547 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:27:28,547 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:27:28,547 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-23 14:27:28,547 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:28,547 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-23 14:27:28,547 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-23 14:27:28,547 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:28,548 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-23 14:27:28,548 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-23 14:27:28,548 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:27:28,548 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-23 14:27:28,548 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:28,548 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,548 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,548 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-23 14:27:28,548 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-23 14:27:28,548 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-23 14:27:28,548 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,548 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-23 14:27:28,548 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:28,548 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-23 14:27:28,548 INFO L397 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:28,548 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:28,549 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-23 14:27:28,549 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:28,549 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:28,549 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:28,549 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-23 14:27:28,549 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-23 14:27:28,549 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:28,549 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,549 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:28,549 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:27:28,549 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:27:28,549 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:28,549 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:27:28,549 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:27:28,549 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:27:28,549 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:27:28,550 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:27:28,550 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:28,550 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,550 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:28,550 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:27:28,550 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:28,550 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-23 14:27:28,550 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:28,550 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |#valid| |calloc_model_#t~malloc0.base|) 1)) [2018-01-23 14:27:28,550 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:28,550 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:28,550 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:28,550 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:28,550 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:27:28,550 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:28,550 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:27:28,551 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:27:28,551 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:27:28,551 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:27:28,551 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:27:28,551 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,551 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:28,551 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:27:28,551 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:27:28,552 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:27:28,552 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:27:28,552 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:27:28,553 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:27:28,553 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:27:28,553 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:27:28,553 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:27:28,553 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == calloc_modelErr0EnsuresViolation======== [2018-01-23 14:27:28,553 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:27:28,555 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-23 14:27:28,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-23 14:27:28,555 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:28,555 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:28,555 INFO L371 AbstractCegarLoop]: === Iteration 1 === [calloc_modelErr0EnsuresViolation]=== [2018-01-23 14:27:28,556 INFO L82 PathProgramCache]: Analyzing trace with hash 94428420, now seen corresponding path program 1 times [2018-01-23 14:27:28,556 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:28,556 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:28,557 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:28,557 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:28,557 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:28,562 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:27:28,611 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:28,611 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-23 14:27:28,611 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-23 14:27:28,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-23 14:27:28,612 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:27:28,612 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 5 states. [2018-01-23 14:27:28,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:28,627 INFO L93 Difference]: Finished difference Result 181 states and 207 transitions. [2018-01-23 14:27:28,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:27:28,627 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-01-23 14:27:28,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:28,627 INFO L225 Difference]: With dead ends: 181 [2018-01-23 14:27:28,628 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:27:28,628 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:27:28,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:27:28,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:27:28,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:27:28,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:27:28,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-01-23 14:27:28,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:28,629 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:27:28,629 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-23 14:27:28,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:27:28,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:27:28,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:27:28,653 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:28,653 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:28,653 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:28,653 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:27:28,653 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:27:28,653 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:27:28,653 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:27:28,653 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,653 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:27:28,653 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:28,653 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:27:28,653 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:27:28,654 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:27:28,654 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:28,654 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-23 14:27:28,654 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:28,654 INFO L397 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:28,654 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-23 14:27:28,654 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:28,654 INFO L397 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:28,654 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:28,654 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-23 14:27:28,654 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:28,654 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:28,654 INFO L397 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:28,654 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:27:28,654 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-23 14:27:28,655 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:27:28,655 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:27:28,655 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:27:28,655 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:27:28,655 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:28,655 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:28,655 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:27:28,655 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:27:28,655 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,655 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:27:28,655 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:27:28,655 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:27:28,655 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:28,655 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:28,655 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:27:28,655 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:27:28,655 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-23 14:27:28,656 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,656 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:28,656 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:28,656 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,656 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:28,656 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:27:28,656 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-23 14:27:28,656 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,656 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-23 14:27:28,656 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-23 14:27:28,656 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:27:28,656 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-23 14:27:28,656 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:28,656 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,656 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:28,656 INFO L397 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:28,657 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:28,657 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-23 14:27:28,657 INFO L397 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:28,657 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:28,657 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:28,657 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:28,657 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-23 14:27:28,657 INFO L397 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:28,657 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:28,657 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-23 14:27:28,657 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-23 14:27:28,657 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-23 14:27:28,657 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:28,658 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,658 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:27:28,658 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,658 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,658 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-23 14:27:28,658 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-23 14:27:28,658 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:28,658 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:28,658 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,658 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:28,659 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:28,659 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:28,659 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,659 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:27:28,659 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:27:28,659 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-23 14:27:28,659 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,659 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:27:28,659 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,659 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:28,660 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:28,660 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,660 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:28,660 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:28,660 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-23 14:27:28,660 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-23 14:27:28,660 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:28,660 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:28,660 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-23 14:27:28,660 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:28,660 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-23 14:27:28,661 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-23 14:27:28,661 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:28,661 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:27:28,661 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-23 14:27:28,661 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-23 14:27:28,661 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-23 14:27:28,661 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-23 14:27:28,661 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,661 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:28,661 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:27:28,662 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:28,662 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:27:28,662 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:28,662 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:28,662 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:27:28,662 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:27:28,662 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-23 14:27:28,662 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:28,662 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-23 14:27:28,662 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-23 14:27:28,662 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:28,662 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-23 14:27:28,662 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-23 14:27:28,662 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:27:28,662 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-23 14:27:28,662 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:28,663 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,663 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,663 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-23 14:27:28,663 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-23 14:27:28,663 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-23 14:27:28,663 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,663 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-23 14:27:28,663 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:28,663 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-23 14:27:28,663 INFO L397 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:28,663 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:28,663 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-23 14:27:28,663 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:28,663 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:28,663 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:28,664 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-23 14:27:28,664 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-23 14:27:28,664 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:28,664 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,664 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:28,664 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:27:28,664 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:27:28,664 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:28,664 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:27:28,664 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:27:28,664 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:27:28,664 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:27:28,664 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:27:28,664 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:28,664 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,664 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:28,664 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:27:28,665 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:28,665 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-23 14:27:28,665 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:28,665 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-23 14:27:28,665 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:28,665 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:28,665 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:28,665 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:28,665 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:27:28,665 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:28,665 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:27:28,665 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:27:28,665 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:27:28,665 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:27:28,665 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:27:28,665 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:28,665 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:28,666 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:27:28,666 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:27:28,667 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:27:28,667 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:27:28,667 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:27:28,667 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:27:28,668 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:27:28,668 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:27:28,668 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:27:28,668 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l4_insertErr0EnsuresViolation======== [2018-01-23 14:27:28,668 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:27:28,670 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-23 14:27:28,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-01-23 14:27:28,671 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:28,672 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:28,672 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l4_insertErr0EnsuresViolation]=== [2018-01-23 14:27:28,672 INFO L82 PathProgramCache]: Analyzing trace with hash -973214893, now seen corresponding path program 1 times [2018-01-23 14:27:28,672 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:28,672 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:28,673 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:28,673 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:28,673 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:28,685 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:28,716 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:28,716 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:28,716 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:28,724 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:28,830 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-01-23 14:27:28,872 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:28,872 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:28,873 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:27:28,873 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:27:28,873 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:28,873 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-23 14:27:28,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:28,880 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-23 14:27:28,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:27:28,881 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 146 [2018-01-23 14:27:28,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:28,881 INFO L225 Difference]: With dead ends: 354 [2018-01-23 14:27:28,881 INFO L226 Difference]: Without dead ends: 100 [2018-01-23 14:27:28,882 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:28,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-01-23 14:27:28,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-01-23 14:27:28,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-01-23 14:27:28,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-01-23 14:27:28,886 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 146 [2018-01-23 14:27:28,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:28,886 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-01-23 14:27:28,886 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:27:28,886 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-01-23 14:27:28,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-01-23 14:27:28,887 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:28,887 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:28,887 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l4_insertErr0EnsuresViolation]=== [2018-01-23 14:27:28,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1897932497, now seen corresponding path program 1 times [2018-01-23 14:27:28,887 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:28,888 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:28,888 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:28,888 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:28,888 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:28,895 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:28,914 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:28,914 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:28,914 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:28,933 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:29,035 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:29,076 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2018-01-23 14:27:29,097 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:29,097 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:29,098 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:27:29,098 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:27:29,098 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:27:29,098 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand 3 states. [2018-01-23 14:27:29,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:29,329 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2018-01-23 14:27:29,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:27:29,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2018-01-23 14:27:29,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:29,330 INFO L225 Difference]: With dead ends: 100 [2018-01-23 14:27:29,330 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:27:29,330 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:27:29,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:27:29,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:27:29,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:27:29,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:27:29,331 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 146 [2018-01-23 14:27:29,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:29,331 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:27:29,331 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:27:29,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:27:29,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:27:29,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:27:29,499 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:29,499 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:29,499 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:29,499 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:27:29,499 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:27:29,499 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:27:29,499 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:27:29,499 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,499 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:27:29,499 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:29,499 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:27:29,499 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:27:29,499 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:27:29,500 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:29,500 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-23 14:27:29,500 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:29,500 INFO L397 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:29,500 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-23 14:27:29,500 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:29,500 INFO L397 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:29,500 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:29,500 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-23 14:27:29,500 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:29,500 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:29,500 INFO L397 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:29,500 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:27:29,500 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-23 14:27:29,501 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:27:29,501 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:27:29,501 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:27:29,501 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:27:29,501 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:29,501 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:29,501 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:27:29,501 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:27:29,501 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,501 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:27:29,501 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:27:29,501 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:27:29,501 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:29,501 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:29,501 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:27:29,501 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:27:29,502 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-23 14:27:29,502 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,502 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:29,502 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:29,502 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,502 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:29,502 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:27:29,502 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-23 14:27:29,502 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,502 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-23 14:27:29,502 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-23 14:27:29,502 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:27:29,502 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-23 14:27:29,502 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:29,502 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,502 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:29,503 INFO L397 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:29,503 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:29,503 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-23 14:27:29,503 INFO L397 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:29,503 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:29,503 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:29,503 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:29,503 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-23 14:27:29,503 INFO L397 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:29,503 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:29,503 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-23 14:27:29,503 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-23 14:27:29,503 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-23 14:27:29,503 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:29,504 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,504 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:27:29,504 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,504 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,504 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-23 14:27:29,504 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-23 14:27:29,504 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:29,504 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:29,504 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,504 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:29,504 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:29,504 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:29,504 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,504 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:27:29,504 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:27:29,504 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-23 14:27:29,505 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,505 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:27:29,505 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,505 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:29,505 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:29,505 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,505 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:29,505 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:29,505 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-23 14:27:29,505 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-23 14:27:29,505 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:29,505 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:29,505 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-23 14:27:29,505 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:29,505 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-23 14:27:29,505 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-23 14:27:29,505 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:29,506 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:27:29,506 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-23 14:27:29,506 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-23 14:27:29,506 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-23 14:27:29,506 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-23 14:27:29,506 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,506 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:29,506 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:27:29,506 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:29,506 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:27:29,506 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:29,506 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:29,506 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:27:29,506 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:27:29,506 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-23 14:27:29,507 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:29,507 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-23 14:27:29,507 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-23 14:27:29,507 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:29,507 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-23 14:27:29,507 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-23 14:27:29,507 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:27:29,507 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-23 14:27:29,507 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:29,507 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,507 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,507 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-23 14:27:29,507 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-23 14:27:29,507 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-23 14:27:29,507 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,507 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-23 14:27:29,508 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:29,508 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-23 14:27:29,508 INFO L397 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:29,508 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:29,508 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-23 14:27:29,508 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:29,508 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:29,508 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:29,508 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-23 14:27:29,508 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-23 14:27:29,508 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:29,508 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,508 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:29,508 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:27:29,508 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:27:29,508 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:29,509 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:27:29,509 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:27:29,509 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:27:29,509 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:27:29,509 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:27:29,509 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:29,509 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,509 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:29,509 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:27:29,509 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:29,509 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-23 14:27:29,509 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:29,509 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-23 14:27:29,509 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:29,509 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:29,509 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:29,510 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:29,510 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:27:29,510 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:29,510 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:27:29,510 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:27:29,510 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:27:29,510 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:27:29,510 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:27:29,510 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,510 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:29,510 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:27:29,510 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:27:29,512 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:27:29,512 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:27:29,512 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:27:29,512 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:27:29,512 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:27:29,512 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:27:29,512 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:27:29,512 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == zalloc_or_dieErr0EnsuresViolation======== [2018-01-23 14:27:29,512 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:27:29,514 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-23 14:27:29,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-23 14:27:29,515 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:29,515 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:29,515 INFO L371 AbstractCegarLoop]: === Iteration 1 === [zalloc_or_dieErr0EnsuresViolation]=== [2018-01-23 14:27:29,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1621508488, now seen corresponding path program 1 times [2018-01-23 14:27:29,516 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:29,516 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:29,516 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:29,517 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:29,517 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:29,521 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:29,529 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:29,529 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:29,529 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:29,535 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:29,557 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:29,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:27:29,581 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:29,581 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:29,581 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:27:29,582 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:27:29,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:29,582 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-23 14:27:29,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:29,589 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-23 14:27:29,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:27:29,589 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-01-23 14:27:29,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:29,589 INFO L225 Difference]: With dead ends: 354 [2018-01-23 14:27:29,590 INFO L226 Difference]: Without dead ends: 100 [2018-01-23 14:27:29,590 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:29,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-01-23 14:27:29,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-01-23 14:27:29,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-01-23 14:27:29,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-01-23 14:27:29,595 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 27 [2018-01-23 14:27:29,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:29,595 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-01-23 14:27:29,595 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:27:29,595 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-01-23 14:27:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-23 14:27:29,595 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:29,596 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:29,596 INFO L371 AbstractCegarLoop]: === Iteration 2 === [zalloc_or_dieErr0EnsuresViolation]=== [2018-01-23 14:27:29,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1621508457, now seen corresponding path program 1 times [2018-01-23 14:27:29,596 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:29,596 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:29,596 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:29,597 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:29,597 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:29,600 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:29,607 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:29,607 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:29,607 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:29,613 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:29,638 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:29,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:27:29,685 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:29,685 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:29,685 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:27:29,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:27:29,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:27:29,686 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand 3 states. [2018-01-23 14:27:29,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:29,771 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2018-01-23 14:27:29,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:27:29,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-01-23 14:27:29,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:29,772 INFO L225 Difference]: With dead ends: 100 [2018-01-23 14:27:29,772 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:27:29,772 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:27:29,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:27:29,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:27:29,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:27:29,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:27:29,773 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-23 14:27:29,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:29,773 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:27:29,773 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:27:29,773 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:27:29,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:27:29,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:27:29,816 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:29,816 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:29,816 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:27:29,816 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:27:29,816 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:27:29,816 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:27:29,816 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:27:29,816 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,816 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:27:29,816 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:27:29,816 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:27:29,817 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:27:29,817 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:27:29,817 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:29,817 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-23 14:27:29,817 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:29,817 INFO L397 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:29,817 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-23 14:27:29,817 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-23 14:27:29,817 INFO L397 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:29,817 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:29,817 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-23 14:27:29,817 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:29,817 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:27:29,817 INFO L397 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:29,818 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:27:29,818 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-23 14:27:29,818 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:27:29,818 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:27:29,818 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:27:29,818 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:27:29,818 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:29,818 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:27:29,818 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:27:29,818 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:27:29,818 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,818 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:27:29,818 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:27:29,818 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:27:29,818 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:29,818 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:27:29,818 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:27:29,819 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:27:29,819 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-23 14:27:29,819 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,819 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:29,819 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:29,819 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,819 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-23 14:27:29,819 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:27:29,819 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-23 14:27:29,819 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,819 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-23 14:27:29,819 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-23 14:27:29,819 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:27:29,819 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-23 14:27:29,819 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:29,819 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,820 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-23 14:27:29,820 INFO L397 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:27:29,820 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:29,820 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-23 14:27:29,820 INFO L397 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:29,820 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:29,820 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:29,820 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-23 14:27:29,820 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-23 14:27:29,820 INFO L397 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:29,820 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-23 14:27:29,820 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-23 14:27:29,820 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-23 14:27:29,820 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-23 14:27:29,820 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:29,821 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,821 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:27:29,821 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,821 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,821 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-23 14:27:29,821 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-23 14:27:29,821 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:29,821 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:29,821 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,821 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-23 14:27:29,821 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-23 14:27:29,821 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:29,821 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,821 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:27:29,821 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:27:29,821 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-23 14:27:29,821 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,822 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:27:29,822 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,822 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:29,822 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:29,822 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,822 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-23 14:27:29,822 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-23 14:27:29,822 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-23 14:27:29,822 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-23 14:27:29,822 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:29,822 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:29,822 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-23 14:27:29,822 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-23 14:27:29,822 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-23 14:27:29,822 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-23 14:27:29,822 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-23 14:27:29,822 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:27:29,823 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-23 14:27:29,823 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-23 14:27:29,823 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-23 14:27:29,823 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-23 14:27:29,823 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,823 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:29,823 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:27:29,823 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:29,823 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:27:29,823 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:29,823 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:27:29,823 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:27:29,823 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:27:29,823 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-23 14:27:29,823 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:29,823 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-23 14:27:29,824 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-23 14:27:29,824 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:29,824 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-23 14:27:29,824 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-23 14:27:29,824 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:27:29,824 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-23 14:27:29,824 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-23 14:27:29,824 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,824 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,824 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-23 14:27:29,824 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-23 14:27:29,824 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-23 14:27:29,824 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,824 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-23 14:27:29,824 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:29,824 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-23 14:27:29,825 INFO L397 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:29,825 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:29,825 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-23 14:27:29,825 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:27:29,825 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-23 14:27:29,825 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:29,825 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-23 14:27:29,825 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-23 14:27:29,825 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:29,825 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,825 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:29,825 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:27:29,825 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:27:29,825 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:29,825 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:27:29,825 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:27:29,825 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:27:29,826 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:27:29,826 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:27:29,826 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:27:29,826 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,826 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:29,826 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:27:29,826 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:27:29,826 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-23 14:27:29,826 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:29,826 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-23 14:27:29,826 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:29,826 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-23 14:27:29,826 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:29,826 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:29,826 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:27:29,826 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:27:29,827 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:27:29,827 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:27:29,827 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:27:29,827 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:27:29,827 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:27:29,827 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:27:29,827 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:27:29,827 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:27:29,827 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:27:29,828 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:27:29,828 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:27:29,828 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:27:29,828 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:27:29,828 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:27:29,828 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:27:29,828 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:27:29,829 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-23 14:27:29,829 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:27:29,830 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-23 14:27:29,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-01-23 14:27:29,830 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:29,830 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-01-23 14:27:29,830 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-23 14:27:29,830 INFO L82 PathProgramCache]: Analyzing trace with hash 327450782, now seen corresponding path program 1 times [2018-01-23 14:27:29,831 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:29,831 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:29,831 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:29,832 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:29,832 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:27:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:27:29,847 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:27:29,851 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:27:29,859 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:27:29,859 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:27:29,859 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:27:29,859 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:27:29,859 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:27:29,859 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:27:29,859 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:27:29,859 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l1_destroyErr0EnsuresViolation======== [2018-01-23 14:27:29,859 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:27:29,860 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-23 14:27:29,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-23 14:27:29,861 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:29,861 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:29,861 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l1_destroyErr0EnsuresViolation]=== [2018-01-23 14:27:29,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1090609839, now seen corresponding path program 1 times [2018-01-23 14:27:29,861 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:29,861 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:29,862 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:29,862 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:29,862 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:29,866 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:27:29,869 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:29,869 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:29,869 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:27:29,869 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:27:29,870 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:29,870 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-23 14:27:29,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:29,876 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-23 14:27:29,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:27:29,876 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-01-23 14:27:29,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:29,877 INFO L225 Difference]: With dead ends: 354 [2018-01-23 14:27:29,877 INFO L226 Difference]: Without dead ends: 160 [2018-01-23 14:27:29,877 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:29,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-01-23 14:27:29,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-01-23 14:27:29,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-01-23 14:27:29,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 175 transitions. [2018-01-23 14:27:29,883 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 175 transitions. Word has length 17 [2018-01-23 14:27:29,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:29,884 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 175 transitions. [2018-01-23 14:27:29,884 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:27:29,884 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 175 transitions. [2018-01-23 14:27:29,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-01-23 14:27:29,885 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:29,885 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:29,885 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l1_destroyErr0EnsuresViolation]=== [2018-01-23 14:27:29,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1725128242, now seen corresponding path program 1 times [2018-01-23 14:27:29,886 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:29,886 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:29,886 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:29,887 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:29,887 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:29,896 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:29,929 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:29,929 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:29,929 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:29,936 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:30,044 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:30,058 WARN L1029 $PredicateComparison]: unable to prove that (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1)))) is different from true [2018-01-23 14:27:30,063 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:27:30,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 13 [2018-01-23 14:27:30,064 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:27:30,067 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:27:30,067 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-23 14:27:30,095 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((v_prenex_4 Int)) (and (<= (select |c_old(#valid)| v_prenex_4) 0) (= |c_#valid| (store |c_old(#valid)| v_prenex_4 1))))) is different from true [2018-01-23 14:27:30,142 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-23 14:27:30,164 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:30,164 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:27:30,165 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:27:30,165 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:27:30,165 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-23 14:27:30,165 INFO L87 Difference]: Start difference. First operand 160 states and 175 transitions. Second operand 6 states. [2018-01-23 14:27:30,190 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1))))) is different from true [2018-01-23 14:27:30,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:30,194 INFO L93 Difference]: Finished difference Result 176 states and 195 transitions. [2018-01-23 14:27:30,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:27:30,194 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 237 [2018-01-23 14:27:30,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:30,195 INFO L225 Difference]: With dead ends: 176 [2018-01-23 14:27:30,195 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:27:30,196 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=14, Unknown=3, NotChecked=24, Total=56 [2018-01-23 14:27:30,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:27:30,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:27:30,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:27:30,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:27:30,196 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 237 [2018-01-23 14:27:30,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:30,197 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:27:30,197 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:27:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:27:30,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:27:30,198 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:27:30,198 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:27:30,198 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:27:30,198 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:27:30,198 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:27:30,198 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:27:30,198 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:27:30,199 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-23 14:27:30,199 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:27:30,200 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-23 14:27:30,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-23 14:27:30,200 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:30,200 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:30,200 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:27:30,201 INFO L82 PathProgramCache]: Analyzing trace with hash 328719998, now seen corresponding path program 1 times [2018-01-23 14:27:30,201 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:30,201 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:30,201 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:30,202 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:30,202 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:30,205 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:27:30,208 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:30,208 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:30,208 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:27:30,209 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:27:30,209 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:30,209 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-23 14:27:30,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:30,215 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-23 14:27:30,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:27:30,215 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-01-23 14:27:30,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:30,216 INFO L225 Difference]: With dead ends: 354 [2018-01-23 14:27:30,217 INFO L226 Difference]: Without dead ends: 166 [2018-01-23 14:27:30,217 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:30,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-01-23 14:27:30,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-01-23 14:27:30,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-01-23 14:27:30,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 181 transitions. [2018-01-23 14:27:30,224 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 181 transitions. Word has length 18 [2018-01-23 14:27:30,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:30,224 INFO L432 AbstractCegarLoop]: Abstraction has 166 states and 181 transitions. [2018-01-23 14:27:30,224 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:27:30,224 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 181 transitions. [2018-01-23 14:27:30,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-01-23 14:27:30,225 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:30,225 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:30,226 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:27:30,226 INFO L82 PathProgramCache]: Analyzing trace with hash -124733529, now seen corresponding path program 1 times [2018-01-23 14:27:30,226 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:30,226 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:30,227 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:30,227 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:30,227 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:30,246 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:30,285 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:30,285 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:30,285 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:30,293 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:30,411 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:30,452 WARN L1029 $PredicateComparison]: unable to prove that (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1)))) is different from true [2018-01-23 14:27:30,467 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:27:30,468 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 13 [2018-01-23 14:27:30,468 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:27:30,481 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:27:30,481 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-23 14:27:30,526 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((v_prenex_5 Int)) (and (<= (select |c_old(#valid)| v_prenex_5) 0) (= |c_#valid| (store |c_old(#valid)| v_prenex_5 1))))) is different from true [2018-01-23 14:27:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-23 14:27:30,580 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:30,580 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:27:30,580 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:27:30,580 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:27:30,580 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-23 14:27:30,581 INFO L87 Difference]: Start difference. First operand 166 states and 181 transitions. Second operand 6 states. [2018-01-23 14:27:30,607 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1))))) is different from true [2018-01-23 14:27:30,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:30,611 INFO L93 Difference]: Finished difference Result 182 states and 201 transitions. [2018-01-23 14:27:30,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:27:30,612 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 250 [2018-01-23 14:27:30,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:30,612 INFO L225 Difference]: With dead ends: 182 [2018-01-23 14:27:30,612 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:27:30,613 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=14, Unknown=3, NotChecked=24, Total=56 [2018-01-23 14:27:30,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:27:30,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:27:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:27:30,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:27:30,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2018-01-23 14:27:30,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:30,613 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:27:30,613 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:27:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:27:30,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:27:30,614 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:27:30,614 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:27:30,614 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:27:30,614 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:27:30,614 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:27:30,614 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:27:30,615 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:27:30,615 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l2_destroyErr0EnsuresViolation======== [2018-01-23 14:27:30,615 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:27:30,616 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-23 14:27:30,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-23 14:27:30,616 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:30,616 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] [2018-01-23 14:27:30,616 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l2_destroyErr0EnsuresViolation]=== [2018-01-23 14:27:30,616 INFO L82 PathProgramCache]: Analyzing trace with hash 757915097, now seen corresponding path program 1 times [2018-01-23 14:27:30,616 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:30,616 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:30,617 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:30,617 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:30,617 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:30,620 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:30,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:27:30,623 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:30,623 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:27:30,623 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:27:30,623 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:27:30,624 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:30,624 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-23 14:27:30,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:30,630 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-23 14:27:30,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:27:30,631 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-01-23 14:27:30,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:30,631 INFO L225 Difference]: With dead ends: 354 [2018-01-23 14:27:30,631 INFO L226 Difference]: Without dead ends: 160 [2018-01-23 14:27:30,632 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:27:30,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-01-23 14:27:30,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-01-23 14:27:30,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-01-23 14:27:30,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 175 transitions. [2018-01-23 14:27:30,638 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 175 transitions. Word has length 21 [2018-01-23 14:27:30,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:30,638 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 175 transitions. [2018-01-23 14:27:30,638 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:27:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 175 transitions. [2018-01-23 14:27:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-01-23 14:27:30,640 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:27:30,640 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:27:30,640 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l2_destroyErr0EnsuresViolation]=== [2018-01-23 14:27:30,640 INFO L82 PathProgramCache]: Analyzing trace with hash -543878062, now seen corresponding path program 1 times [2018-01-23 14:27:30,640 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:27:30,641 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:27:30,641 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:30,641 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:30,641 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:27:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:30,650 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:27:30,683 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:27:30,684 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:27:30,684 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:27:30,693 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:27:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:27:30,804 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:27:30,833 WARN L1029 $PredicateComparison]: unable to prove that (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1)))) is different from true [2018-01-23 14:27:30,857 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:27:30,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 13 [2018-01-23 14:27:30,858 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:27:30,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:27:30,868 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-23 14:27:30,915 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((v_prenex_6 Int)) (and (= |c_#valid| (store |c_old(#valid)| v_prenex_6 1)) (<= (select |c_old(#valid)| v_prenex_6) 0)))) is different from true [2018-01-23 14:27:30,964 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-23 14:27:30,998 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:27:30,999 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:27:30,999 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:27:30,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:27:30,999 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-23 14:27:31,000 INFO L87 Difference]: Start difference. First operand 160 states and 175 transitions. Second operand 6 states. [2018-01-23 14:27:31,043 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1))))) is different from true [2018-01-23 14:27:31,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:27:31,049 INFO L93 Difference]: Finished difference Result 176 states and 195 transitions. [2018-01-23 14:27:31,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:27:31,049 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 229 [2018-01-23 14:27:31,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:27:31,050 INFO L225 Difference]: With dead ends: 176 [2018-01-23 14:27:31,050 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:27:31,051 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=14, Unknown=3, NotChecked=24, Total=56 [2018-01-23 14:27:31,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:27:31,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:27:31,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:27:31,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:27:31,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2018-01-23 14:27:31,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:27:31,052 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:27:31,052 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:27:31,052 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:27:31,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:27:31,055 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[calloc_model_#t~malloc0.base,QUANTIFIED] [2018-01-23 14:27:31,057 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[calloc_model_#t~malloc0.base,QUANTIFIED] [2018-01-23 14:27:31,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.01 02:27:31 BoogieIcfgContainer [2018-01-23 14:27:31,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-23 14:27:31,060 INFO L168 Benchmark]: Toolchain (without parser) took 9435.14 ms. Allocated memory was 305.7 MB in the beginning and 757.6 MB in the end (delta: 451.9 MB). Free memory was 263.0 MB in the beginning and 702.1 MB in the end (delta: -439.1 MB). Peak memory consumption was 12.9 MB. Max. memory is 5.3 GB. [2018-01-23 14:27:31,062 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 305.7 MB. Free memory is still 269.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 14:27:31,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.01 ms. Allocated memory is still 305.7 MB. Free memory was 263.0 MB in the beginning and 250.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:27:31,063 INFO L168 Benchmark]: Boogie Preprocessor took 45.69 ms. Allocated memory is still 305.7 MB. Free memory was 250.0 MB in the beginning and 248.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:27:31,063 INFO L168 Benchmark]: RCFGBuilder took 607.27 ms. Allocated memory is still 305.7 MB. Free memory was 248.0 MB in the beginning and 204.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:27:31,064 INFO L168 Benchmark]: TraceAbstraction took 8530.09 ms. Allocated memory was 305.7 MB in the beginning and 757.6 MB in the end (delta: 451.9 MB). Free memory was 204.9 MB in the beginning and 702.1 MB in the end (delta: -497.1 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 14:27:31,066 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 305.7 MB. Free memory is still 269.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 243.01 ms. Allocated memory is still 305.7 MB. Free memory was 263.0 MB in the beginning and 250.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 45.69 ms. Allocated memory is still 305.7 MB. Free memory was 250.0 MB in the beginning and 248.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 607.27 ms. Allocated memory is still 305.7 MB. Free memory was 248.0 MB in the beginning and 204.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 8530.09 ms. Allocated memory was 305.7 MB in the beginning and 757.6 MB in the end (delta: 451.9 MB). Free memory was 204.9 MB in the beginning and 702.1 MB in the end (delta: -497.1 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[calloc_model_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[calloc_model_#t~malloc0.base,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 834]: 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: l3_destroyErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. SAFE Result, 1.6s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 215 SDtfs, 14 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 225 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 114 PreInvPairs, 116 NumberOfFragments, 160 HoareAnnotationTreeSize, 114 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 79 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 467 NumberOfCodeBlocks, 467 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 244 ConstructedInterpolants, 8 QuantifiedInterpolants, 67896 SizeOfPredicates, 3 NumberOfNonLiveVariables, 907 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 255/255 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 815]: 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: l0_insertErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. SAFE Result, 0.7s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 285 SDtfs, 13 SDslu, 3 SDs, 0 SdLazy, 25 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 214 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 104 PreInvPairs, 124 NumberOfFragments, 95 HoareAnnotationTreeSize, 104 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 73876 SizeOfPredicates, 0 NumberOfNonLiveVariables, 936 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 255/255 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 824]: 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: l4_destroyErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. SAFE Result, 0.7s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 215 SDtfs, 14 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 114 PreInvPairs, 116 NumberOfFragments, 160 HoareAnnotationTreeSize, 114 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 79 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 455 NumberOfCodeBlocks, 455 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 240 ConstructedInterpolants, 8 QuantifiedInterpolants, 63960 SizeOfPredicates, 3 NumberOfNonLiveVariables, 883 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 255/255 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 795]: 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: l2_insertErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 285 SDtfs, 34 SDslu, 3 SDs, 0 SdLazy, 25 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 104 PreInvPairs, 124 NumberOfFragments, 95 HoareAnnotationTreeSize, 104 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 488 NumberOfCodeBlocks, 488 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 242 ConstructedInterpolants, 0 QuantifiedInterpolants, 55956 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1118 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 306/306 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 874]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. SAFE Result, 0.5s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 348 SDtfs, 37 SDslu, 43 SDs, 0 SdLazy, 45 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 249 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 115 PreInvPairs, 157 NumberOfFragments, 107 HoareAnnotationTreeSize, 115 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 512 NumberOfCodeBlocks, 512 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 121502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 982 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 255/255 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 785]: 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: l3_insertErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 285 SDtfs, 45 SDslu, 3 SDs, 0 SdLazy, 25 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 255 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 104 PreInvPairs, 124 NumberOfFragments, 95 HoareAnnotationTreeSize, 104 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 514 NumberOfCodeBlocks, 514 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 255 ConstructedInterpolants, 0 QuantifiedInterpolants, 49317 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1203 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 357/357 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 805]: 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: l1_insertErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. SAFE Result, 0.4s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 285 SDtfs, 23 SDslu, 3 SDs, 0 SdLazy, 25 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 229 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 104 PreInvPairs, 124 NumberOfFragments, 95 HoareAnnotationTreeSize, 104 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 462 NumberOfCodeBlocks, 462 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 229 ConstructedInterpolants, 0 QuantifiedInterpolants, 64481 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1025 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 272/272 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 864]: 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: l0_destroyErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. SAFE Result, 0.5s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 215 SDtfs, 14 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 249 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 114 PreInvPairs, 116 NumberOfFragments, 160 HoareAnnotationTreeSize, 114 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 79 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 503 NumberOfCodeBlocks, 503 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 256 ConstructedInterpolants, 8 QuantifiedInterpolants, 80664 SizeOfPredicates, 3 NumberOfNonLiveVariables, 979 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 255/255 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 740]: 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: calloc_modelErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 13 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred 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, 45 LocationsWithAnnotation, 55 PreInvPairs, 55 NumberOfFragments, 47 HoareAnnotationTreeSize, 55 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 1298 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 - PositiveResult [Line: 776]: 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: l4_insertErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. SAFE Result, 0.8s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 285 SDtfs, 56 SDslu, 3 SDs, 0 SdLazy, 25 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 290 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 104 PreInvPairs, 124 NumberOfFragments, 95 HoareAnnotationTreeSize, 104 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 584 NumberOfCodeBlocks, 584 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 290 ConstructedInterpolants, 0 QuantifiedInterpolants, 50460 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1386 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 510/510 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 769]: 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: zalloc_or_dieErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 285 SDtfs, 69 SDslu, 3 SDs, 0 SdLazy, 25 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 104 PreInvPairs, 124 NumberOfFragments, 95 HoareAnnotationTreeSize, 104 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 1664 SizeOfPredicates, 0 NumberOfNonLiveVariables, 296 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: IVAL [\old(list)=7, \old(list)=5, list={7:5}] [L876] FCALL static struct L0 *list; VAL [\old(list)=5, \old(list)=7, list={8:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 854]: 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: l1_destroyErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 215 SDtfs, 14 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 252 ConstructedInterpolants, 8 QuantifiedInterpolants, 76248 SizeOfPredicates, 3 NumberOfNonLiveVariables, 955 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 255/255 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. SAFE Result, 0.4s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 215 SDtfs, 14 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 518 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 266 ConstructedInterpolants, 8 QuantifiedInterpolants, 83704 SizeOfPredicates, 3 NumberOfNonLiveVariables, 985 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 255/255 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 844]: 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: l2_destroyErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. SAFE Result, 0.4s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 215 SDtfs, 14 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 233 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 479 NumberOfCodeBlocks, 479 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 248 ConstructedInterpolants, 8 QuantifiedInterpolants, 71992 SizeOfPredicates, 3 NumberOfNonLiveVariables, 931 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 255/255 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 818]: Loop Invariant [2018-01-23 14:27:31,077 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[calloc_model_#t~malloc0.base,QUANTIFIED] [2018-01-23 14:27:31,078 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[calloc_model_#t~malloc0.base,QUANTIFIED] Derived loop invariant: \valid == \old(\valid) && !(\exists calloc_model_#t~malloc0.base : int :: 1 == \old(\valid)[calloc_model_#t~malloc0.base]) - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: \valid == \old(\valid) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: \valid == \old(\valid) - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: \valid == \old(\valid) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-23_14-27-31-084.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-23_14-27-31-084.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-23_14-27-31-084.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-23_14-27-31-084.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-23_14-27-31-084.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-23_14-27-31-084.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-23_14-27-31-084.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-23_14-27-31-084.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-23_14-27-31-084.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-23_14-27-31-084.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-23_14-27-31-084.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-23_14-27-31-084.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-23_14-27-31-084.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-23_14-27-31-084.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-23_14-27-31-084.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-14-2018-01-23_14-27-31-084.csv Received shutdown request...