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 0.1.23-2f49842 [2018-01-20 22:01:17,516 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-20 22:01:17,518 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-20 22:01:17,534 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-20 22:01:17,535 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-20 22:01:17,535 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-20 22:01:17,537 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-20 22:01:17,538 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-20 22:01:17,541 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-20 22:01:17,542 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-20 22:01:17,542 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-20 22:01:17,543 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-20 22:01:17,544 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-20 22:01:17,545 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-20 22:01:17,545 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-20 22:01:17,548 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-20 22:01:17,550 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-20 22:01:17,552 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-20 22:01:17,553 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-20 22:01:17,554 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-20 22:01:17,556 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-20 22:01:17,561 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-20 22:01:17,562 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-20 22:01:17,562 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 [2018-01-20 22:01:17,572 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-20 22:01:17,573 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-20 22:01:17,574 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-20 22:01:17,574 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-20 22:01:17,574 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-20 22:01:17,574 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-20 22:01:17,575 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-20 22:01:17,575 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-20 22:01:17,575 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-20 22:01:17,576 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-20 22:01:17,576 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-20 22:01:17,576 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-20 22:01:17,576 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-20 22:01:17,576 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-20 22:01:17,577 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-20 22:01:17,577 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-20 22:01:17,577 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-20 22:01:17,577 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-20 22:01:17,577 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-20 22:01:17,578 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-20 22:01:17,578 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-20 22:01:17,578 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-20 22:01:17,578 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-20 22:01:17,578 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-20 22:01:17,579 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-20 22:01:17,579 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-20 22:01:17,579 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-20 22:01:17,579 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-20 22:01:17,579 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-20 22:01:17,580 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-20 22:01:17,580 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-20 22:01:17,580 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-20 22:01:17,580 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-20 22:01:17,580 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-20 22:01:17,581 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-20 22:01:17,581 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-20 22:01:17,582 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-20 22:01:17,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-20 22:01:17,627 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-20 22:01:17,630 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-20 22:01:17,632 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-20 22:01:17,632 INFO L276 PluginConnector]: CDTParser initialized [2018-01-20 22:01:17,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0237_true-valid-memsafety.i [2018-01-20 22:01:17,812 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-20 22:01:17,818 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-20 22:01:17,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-20 22:01:17,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-20 22:01:17,825 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-20 22:01:17,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 10:01:17" (1/1) ... [2018-01-20 22:01:17,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300e3574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:01:17, skipping insertion in model container [2018-01-20 22:01:17,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 10:01:17" (1/1) ... [2018-01-20 22:01:17,843 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 22:01:17,886 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 22:01:18,011 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 22:01:18,035 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 22:01:18,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:01:18 WrapperNode [2018-01-20 22:01:18,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-20 22:01:18,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-20 22:01:18,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-20 22:01:18,050 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-20 22:01:18,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:01:18" (1/1) ... [2018-01-20 22:01:18,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:01:18" (1/1) ... [2018-01-20 22:01:18,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:01:18" (1/1) ... [2018-01-20 22:01:18,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:01:18" (1/1) ... [2018-01-20 22:01:18,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:01:18" (1/1) ... [2018-01-20 22:01:18,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:01:18" (1/1) ... [2018-01-20 22:01:18,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:01:18" (1/1) ... [2018-01-20 22:01:18,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-20 22:01:18,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-20 22:01:18,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-20 22:01:18,098 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-20 22:01:18,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:01:18" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-20 22:01:18,155 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-20 22:01:18,156 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-20 22:01:18,156 INFO L136 BoogieDeclarations]: Found implementation of procedure calloc_model [2018-01-20 22:01:18,156 INFO L136 BoogieDeclarations]: Found implementation of procedure zalloc_or_die [2018-01-20 22:01:18,156 INFO L136 BoogieDeclarations]: Found implementation of procedure l4_insert [2018-01-20 22:01:18,156 INFO L136 BoogieDeclarations]: Found implementation of procedure l3_insert [2018-01-20 22:01:18,156 INFO L136 BoogieDeclarations]: Found implementation of procedure l2_insert [2018-01-20 22:01:18,156 INFO L136 BoogieDeclarations]: Found implementation of procedure l1_insert [2018-01-20 22:01:18,157 INFO L136 BoogieDeclarations]: Found implementation of procedure l0_insert [2018-01-20 22:01:18,157 INFO L136 BoogieDeclarations]: Found implementation of procedure l4_destroy [2018-01-20 22:01:18,157 INFO L136 BoogieDeclarations]: Found implementation of procedure l3_destroy [2018-01-20 22:01:18,157 INFO L136 BoogieDeclarations]: Found implementation of procedure l2_destroy [2018-01-20 22:01:18,157 INFO L136 BoogieDeclarations]: Found implementation of procedure l1_destroy [2018-01-20 22:01:18,157 INFO L136 BoogieDeclarations]: Found implementation of procedure l0_destroy [2018-01-20 22:01:18,158 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-20 22:01:18,158 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-20 22:01:18,158 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-20 22:01:18,158 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-20 22:01:18,158 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-20 22:01:18,158 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-20 22:01:18,159 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-01-20 22:01:18,159 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-01-20 22:01:18,159 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-20 22:01:18,159 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-20 22:01:18,159 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-20 22:01:18,160 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-01-20 22:01:18,160 INFO L128 BoogieDeclarations]: Found specification of procedure calloc_model [2018-01-20 22:01:18,160 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-20 22:01:18,160 INFO L128 BoogieDeclarations]: Found specification of procedure zalloc_or_die [2018-01-20 22:01:18,160 INFO L128 BoogieDeclarations]: Found specification of procedure l4_insert [2018-01-20 22:01:18,160 INFO L128 BoogieDeclarations]: Found specification of procedure l3_insert [2018-01-20 22:01:18,160 INFO L128 BoogieDeclarations]: Found specification of procedure l2_insert [2018-01-20 22:01:18,161 INFO L128 BoogieDeclarations]: Found specification of procedure l1_insert [2018-01-20 22:01:18,161 INFO L128 BoogieDeclarations]: Found specification of procedure l0_insert [2018-01-20 22:01:18,161 INFO L128 BoogieDeclarations]: Found specification of procedure l4_destroy [2018-01-20 22:01:18,161 INFO L128 BoogieDeclarations]: Found specification of procedure l3_destroy [2018-01-20 22:01:18,161 INFO L128 BoogieDeclarations]: Found specification of procedure l2_destroy [2018-01-20 22:01:18,161 INFO L128 BoogieDeclarations]: Found specification of procedure l1_destroy [2018-01-20 22:01:18,162 INFO L128 BoogieDeclarations]: Found specification of procedure l0_destroy [2018-01-20 22:01:18,162 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-20 22:01:18,162 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-20 22:01:18,162 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-20 22:01:18,709 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-20 22:01:18,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 10:01:18 BoogieIcfgContainer [2018-01-20 22:01:18,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-20 22:01:18,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-20 22:01:18,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-20 22:01:18,714 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-20 22:01:18,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 10:01:17" (1/3) ... [2018-01-20 22:01:18,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794697ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 10:01:18, skipping insertion in model container [2018-01-20 22:01:18,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:01:18" (2/3) ... [2018-01-20 22:01:18,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794697ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 10:01:18, skipping insertion in model container [2018-01-20 22:01:18,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 10:01:18" (3/3) ... [2018-01-20 22:01:18,718 INFO L105 eAbstractionObserver]: Analyzing ICFG test-0237_true-valid-memsafety.i [2018-01-20 22:01:18,726 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-20 22:01:18,732 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-01-20 22:01:18,784 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:01:18,785 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:01:18,785 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:01:18,785 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:01:18,785 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:01:18,785 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:01:18,785 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:01:18,785 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l3_destroyErr0EnsuresViolation======== [2018-01-20 22:01:18,786 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:01:18,807 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 22:01:18,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-20 22:01:18,815 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:18,816 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] [2018-01-20 22:01:18,816 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l3_destroyErr0EnsuresViolation]=== [2018-01-20 22:01:18,820 INFO L82 PathProgramCache]: Analyzing trace with hash -747535974, now seen corresponding path program 1 times [2018-01-20 22:01:18,821 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:18,822 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:18,865 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:18,866 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:18,866 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:18,916 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:18,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:01:18,958 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:18,959 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:18,961 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 22:01:18,971 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 22:01:18,972 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:01:18,974 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 22:01:19,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:19,112 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 22:01:19,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 22:01:19,114 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-01-20 22:01:19,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:19,127 INFO L225 Difference]: With dead ends: 354 [2018-01-20 22:01:19,127 INFO L226 Difference]: Without dead ends: 160 [2018-01-20 22:01:19,131 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 [2018-01-20 22:01:19,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-01-20 22:01:19,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-01-20 22:01:19,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-01-20 22:01:19,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 175 transitions. [2018-01-20 22:01:19,175 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 175 transitions. Word has length 25 [2018-01-20 22:01:19,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:19,175 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 175 transitions. [2018-01-20 22:01:19,175 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 22:01:19,175 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 175 transitions. [2018-01-20 22:01:19,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-01-20 22:01:19,181 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:19,182 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] [2018-01-20 22:01:19,182 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l3_destroyErr0EnsuresViolation]=== [2018-01-20 22:01:19,182 INFO L82 PathProgramCache]: Analyzing trace with hash -407505247, now seen corresponding path program 1 times [2018-01-20 22:01:19,182 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:19,182 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:19,183 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:19,184 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:19,184 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:19,238 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:19,409 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:19,409 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:19,410 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 [2018-01-20 22:01:19,419 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:19,688 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:19,760 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 [2018-01-20 22:01:19,783 INFO L700 Elim1Store]: detected not equals via solver [2018-01-20 22:01:19,792 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 [2018-01-20 22:01:19,793 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-20 22:01:19,803 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. [2018-01-20 22:01:19,803 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-20 22:01:19,824 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 [2018-01-20 22:01:19,905 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-20 22:01:19,928 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:19,928 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-20 22:01:19,929 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 22:01:19,930 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 22:01:19,930 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-20 22:01:19,930 INFO L87 Difference]: Start difference. First operand 160 states and 175 transitions. Second operand 6 states. [2018-01-20 22:01:19,995 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 [2018-01-20 22:01:20,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:20,008 INFO L93 Difference]: Finished difference Result 176 states and 195 transitions. [2018-01-20 22:01:20,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-20 22:01:20,008 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 221 [2018-01-20 22:01:20,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:20,009 INFO L225 Difference]: With dead ends: 176 [2018-01-20 22:01:20,009 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:01:20,011 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 [2018-01-20 22:01:20,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:01:20,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:01:20,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:01:20,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:01:20,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 221 [2018-01-20 22:01:20,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:20,013 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:01:20,013 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 22:01:20,013 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:01:20,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:01:20,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 22:01:20,326 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:20,327 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:20,327 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:20,327 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 22:01:20,327 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 22:01:20,327 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 22:01:20,327 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 22:01:20,328 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-20 22:01:20,328 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 22:01:20,328 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:20,328 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 22:01:20,328 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 22:01:20,328 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 22:01:20,328 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:20,328 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 22:01:20,328 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:20,328 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|)))) [2018-01-20 22:01:20,329 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 22:01:20,329 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:20,329 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)|)) [2018-01-20 22:01:20,329 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:20,329 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 22:01:20,329 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)|)) [2018-01-20 22:01:20,330 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:20,330 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|)))) [2018-01-20 22:01:20,330 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 22:01:20,330 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 22:01:20,330 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 22:01:20,330 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 22:01:20,330 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 22:01:20,331 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 22:01:20,331 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:20,331 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:20,331 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 22:01:20,331 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 22:01:20,331 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-20 22:01:20,331 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 22:01:20,332 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 22:01:20,332 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 22:01:20,332 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:20,332 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:20,332 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 22:01:20,332 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 22:01:20,333 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 22:01:20,333 INFO L404 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-01-20 22:01:20,333 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:20,333 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:20,333 INFO L404 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: true [2018-01-20 22:01:20,333 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:20,333 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 22:01:20,333 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 22:01:20,334 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: true [2018-01-20 22:01:20,334 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 22:01:20,334 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 22:01:20,334 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 22:01:20,334 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 22:01:20,334 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:20,334 INFO L404 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: true [2018-01-20 22:01:20,334 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:20,335 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|)))) [2018-01-20 22:01:20,335 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:20,335 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 22:01:20,335 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)|)) [2018-01-20 22:01:20,335 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:20,335 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:20,335 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:20,336 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 22:01:20,336 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)|)) [2018-01-20 22:01:20,336 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:20,336 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 22:01:20,336 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 22:01:20,336 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 22:01:20,336 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:20,337 INFO L404 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-01-20 22:01:20,337 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 22:01:20,337 INFO L404 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2018-01-20 22:01:20,337 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: true [2018-01-20 22:01:20,337 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 22:01:20,337 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 22:01:20,337 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:20,337 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:20,338 INFO L404 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: true [2018-01-20 22:01:20,338 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:20,338 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:20,338 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:20,338 INFO L404 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: true [2018-01-20 22:01:20,338 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 22:01:20,338 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 22:01:20,338 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 22:01:20,339 INFO L404 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-01-20 22:01:20,339 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 22:01:20,339 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: true [2018-01-20 22:01:20,339 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:20,339 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:20,339 INFO L404 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: true [2018-01-20 22:01:20,339 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:20,339 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:20,340 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 22:01:20,340 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 22:01:20,340 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:20,340 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:20,340 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 22:01:20,340 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:20,340 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 22:01:20,340 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 22:01:20,341 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:20,341 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 22:01:20,341 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 22:01:20,341 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 22:01:20,341 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 22:01:20,341 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 22:01:20,341 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-20 22:01:20,341 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:20,342 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 22:01:20,342 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)|)) [2018-01-20 22:01:20,342 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 22:01:20,342 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:20,342 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:20,342 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))))) [2018-01-20 22:01:20,342 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 22:01:20,343 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 22:01:20,343 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:20,343 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 22:01:20,343 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 22:01:20,343 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:20,343 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 22:01:20,343 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 22:01:20,343 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 22:01:20,344 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 22:01:20,344 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:20,344 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 22:01:20,344 INFO L404 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: true [2018-01-20 22:01:20,344 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 22:01:20,344 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 22:01:20,344 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 22:01:20,344 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: true [2018-01-20 22:01:20,344 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 22:01:20,344 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:20,344 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 22:01:20,345 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)|)) [2018-01-20 22:01:20,345 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:20,345 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 22:01:20,345 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)|)) [2018-01-20 22:01:20,345 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:20,345 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:20,345 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 22:01:20,345 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 22:01:20,345 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:20,345 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,345 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:20,345 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 22:01:20,346 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 22:01:20,346 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:20,346 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 22:01:20,346 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 22:01:20,346 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 22:01:20,346 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 22:01:20,346 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 22:01:20,346 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:20,346 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-20 22:01:20,346 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:20,346 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 22:01:20,346 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:20,346 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 22:01:20,347 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:20,347 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)) [2018-01-20 22:01:20,347 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:20,347 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:20,347 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:20,347 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:20,347 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 22:01:20,347 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:20,347 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 22:01:20,347 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 22:01:20,347 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 22:01:20,347 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 22:01:20,347 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 22:01:20,348 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-20 22:01:20,348 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:20,348 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 22:01:20,348 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 22:01:20,352 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:01:20,352 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:01:20,352 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:01:20,352 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:01:20,352 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:01:20,352 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:01:20,352 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:01:20,352 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l0_insertErr0EnsuresViolation======== [2018-01-20 22:01:20,352 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:01:20,356 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 22:01:20,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-01-20 22:01:20,358 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:20,358 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] [2018-01-20 22:01:20,358 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l0_insertErr0EnsuresViolation]=== [2018-01-20 22:01:20,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1347593123, now seen corresponding path program 1 times [2018-01-20 22:01:20,359 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:20,359 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:20,359 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:20,360 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:20,360 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:20,371 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:20,395 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:20,395 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:20,395 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 [2018-01-20 22:01:20,410 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:20,440 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:01:20,466 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:20,466 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:20,466 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 22:01:20,466 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 22:01:20,466 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:01:20,467 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 22:01:20,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:20,478 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 22:01:20,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 22:01:20,479 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 35 [2018-01-20 22:01:20,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:20,480 INFO L225 Difference]: With dead ends: 354 [2018-01-20 22:01:20,480 INFO L226 Difference]: Without dead ends: 100 [2018-01-20 22:01:20,481 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 [2018-01-20 22:01:20,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-01-20 22:01:20,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-01-20 22:01:20,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-01-20 22:01:20,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-01-20 22:01:20,487 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 35 [2018-01-20 22:01:20,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:20,487 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-01-20 22:01:20,487 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 22:01:20,487 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-01-20 22:01:20,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-01-20 22:01:20,489 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:20,489 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] [2018-01-20 22:01:20,489 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l0_insertErr0EnsuresViolation]=== [2018-01-20 22:01:20,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1557316018, now seen corresponding path program 1 times [2018-01-20 22:01:20,490 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:20,490 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:20,490 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:20,490 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:20,491 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:20,511 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:20,603 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:20,603 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:20,603 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 [2018-01-20 22:01:20,614 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:20,740 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2018-01-20 22:01:20,809 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:20,809 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:20,810 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:01:20,810 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:01:20,810 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:01:20,810 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand 3 states. [2018-01-20 22:01:20,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:20,862 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2018-01-20 22:01:20,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:01:20,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2018-01-20 22:01:20,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:20,863 INFO L225 Difference]: With dead ends: 100 [2018-01-20 22:01:20,864 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:01:20,864 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 [2018-01-20 22:01:20,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:01:20,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:01:20,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:01:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:01:20,865 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2018-01-20 22:01:20,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:20,865 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:01:20,865 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:01:20,865 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:01:20,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:01:20,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 22:01:20,974 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:20,974 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:20,974 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:20,974 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 22:01:20,975 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 22:01:20,975 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 22:01:20,975 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 22:01:20,975 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-20 22:01:20,975 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 22:01:20,975 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:20,975 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 22:01:20,975 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 22:01:20,976 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 22:01:20,976 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:20,976 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 22:01:20,976 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:20,976 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|))))) [2018-01-20 22:01:20,976 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 22:01:20,976 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:20,977 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)) [2018-01-20 22:01:20,977 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:20,977 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 22:01:20,977 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)) [2018-01-20 22:01:20,977 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:20,977 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|))))) [2018-01-20 22:01:20,977 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 22:01:20,978 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 22:01:20,978 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 22:01:20,978 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 22:01:20,978 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 22:01:20,978 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 22:01:20,978 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:20,978 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:20,978 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 22:01:20,978 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 22:01:20,979 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-20 22:01:20,979 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 22:01:20,979 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 22:01:20,979 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 22:01:20,979 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:20,979 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:20,979 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 22:01:20,979 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 22:01:20,979 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 22:01:20,980 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,980 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:20,980 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:20,980 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,980 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:20,980 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 22:01:20,980 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 22:01:20,980 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,981 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 22:01:20,981 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 22:01:20,981 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 22:01:20,981 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 22:01:20,981 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:20,981 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,981 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:20,981 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|)))) [2018-01-20 22:01:20,981 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:20,982 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 22:01:20,982 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)) [2018-01-20 22:01:20,982 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:20,982 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:20,982 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:20,982 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 22:01:20,982 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)) [2018-01-20 22:01:20,982 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:20,983 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 22:01:20,983 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 22:01:20,983 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 22:01:20,983 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:20,983 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,983 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 22:01:20,983 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,983 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,983 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 22:01:20,984 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 22:01:20,984 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:20,984 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:20,984 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,984 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:20,984 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:20,984 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:20,984 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,985 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 22:01:20,985 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 22:01:20,985 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 22:01:20,985 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,985 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 22:01:20,985 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,985 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:20,985 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:20,986 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,986 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:20,986 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:20,986 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 22:01:20,986 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 22:01:20,986 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:20,986 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:20,986 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 22:01:20,986 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:20,986 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 22:01:20,987 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 22:01:20,987 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:20,987 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 22:01:20,987 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 22:01:20,987 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 22:01:20,987 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 22:01:20,987 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 22:01:20,987 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-20 22:01:20,987 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:20,988 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 22:01:20,988 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)) [2018-01-20 22:01:20,988 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 22:01:20,988 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:20,988 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:20,988 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))))) [2018-01-20 22:01:20,988 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 22:01:20,989 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 22:01:20,989 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:20,989 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 22:01:20,989 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 22:01:20,989 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:20,989 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 22:01:20,989 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 22:01:20,989 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 22:01:20,989 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 22:01:20,990 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:20,990 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,990 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,990 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 22:01:20,990 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 22:01:20,990 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 22:01:20,990 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,990 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 22:01:20,990 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:20,990 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 22:01:20,991 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)) [2018-01-20 22:01:20,991 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:20,991 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 22:01:20,991 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)) [2018-01-20 22:01:20,991 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:20,991 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:20,991 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 22:01:20,991 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 22:01:20,992 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:20,992 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:20,992 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:20,992 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 22:01:20,992 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 22:01:20,992 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:20,992 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 22:01:20,992 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 22:01:20,992 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 22:01:20,992 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 22:01:20,993 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 22:01:20,993 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:20,993 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-20 22:01:20,993 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:20,993 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 22:01:20,993 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:20,993 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 22:01:20,993 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:20,993 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)) [2018-01-20 22:01:20,994 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:20,994 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:20,994 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:20,994 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:20,994 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 22:01:20,994 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:20,994 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 22:01:20,994 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 22:01:20,994 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 22:01:20,994 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 22:01:20,995 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 22:01:20,995 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-20 22:01:20,995 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:20,995 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 22:01:20,995 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 22:01:20,998 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:01:20,998 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:01:20,998 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:01:20,998 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:01:20,998 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:01:20,999 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:01:20,999 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:01:20,999 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l4_destroyErr0EnsuresViolation======== [2018-01-20 22:01:20,999 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:01:21,001 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 22:01:21,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-20 22:01:21,003 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:21,003 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] [2018-01-20 22:01:21,003 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l4_destroyErr0EnsuresViolation]=== [2018-01-20 22:01:21,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1153732616, now seen corresponding path program 1 times [2018-01-20 22:01:21,004 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:21,004 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:21,005 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:21,005 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:21,005 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:21,012 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:21,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:01:21,022 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:21,022 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:21,023 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 22:01:21,023 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 22:01:21,023 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:01:21,023 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 22:01:21,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:21,036 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 22:01:21,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 22:01:21,036 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2018-01-20 22:01:21,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:21,038 INFO L225 Difference]: With dead ends: 354 [2018-01-20 22:01:21,038 INFO L226 Difference]: Without dead ends: 160 [2018-01-20 22:01:21,038 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 [2018-01-20 22:01:21,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-01-20 22:01:21,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-01-20 22:01:21,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-01-20 22:01:21,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 175 transitions. [2018-01-20 22:01:21,050 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 175 transitions. Word has length 29 [2018-01-20 22:01:21,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:21,050 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 175 transitions. [2018-01-20 22:01:21,050 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 22:01:21,050 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 175 transitions. [2018-01-20 22:01:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-01-20 22:01:21,054 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:21,054 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] [2018-01-20 22:01:21,054 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l4_destroyErr0EnsuresViolation]=== [2018-01-20 22:01:21,055 INFO L82 PathProgramCache]: Analyzing trace with hash -110749203, now seen corresponding path program 1 times [2018-01-20 22:01:21,055 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:21,055 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:21,056 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:21,056 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:21,056 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:21,074 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:21,163 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:21,163 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:21,163 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 [2018-01-20 22:01:21,174 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:21,289 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:21,302 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 [2018-01-20 22:01:21,309 INFO L700 Elim1Store]: detected not equals via solver [2018-01-20 22:01:21,310 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 [2018-01-20 22:01:21,310 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-20 22:01:21,312 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. [2018-01-20 22:01:21,312 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-20 22:01:21,323 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 [2018-01-20 22:01:21,356 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-20 22:01:21,378 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:21,378 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-20 22:01:21,378 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 22:01:21,379 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 22:01:21,379 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-20 22:01:21,379 INFO L87 Difference]: Start difference. First operand 160 states and 175 transitions. Second operand 6 states. [2018-01-20 22:01:21,410 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 [2018-01-20 22:01:21,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:21,415 INFO L93 Difference]: Finished difference Result 176 states and 195 transitions. [2018-01-20 22:01:21,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-20 22:01:21,415 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 213 [2018-01-20 22:01:21,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:21,416 INFO L225 Difference]: With dead ends: 176 [2018-01-20 22:01:21,416 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:01:21,416 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 [2018-01-20 22:01:21,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:01:21,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:01:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:01:21,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:01:21,417 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2018-01-20 22:01:21,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:21,417 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:01:21,417 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 22:01:21,417 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:01:21,417 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:01:21,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 22:01:21,530 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:21,530 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:21,530 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:21,530 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 22:01:21,531 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 22:01:21,531 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 22:01:21,531 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 22:01:21,531 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-20 22:01:21,531 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 22:01:21,531 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:21,531 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 22:01:21,531 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 22:01:21,531 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 22:01:21,531 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:21,532 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 22:01:21,532 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:21,532 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|))))) [2018-01-20 22:01:21,532 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 22:01:21,532 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:21,532 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)) [2018-01-20 22:01:21,532 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:21,532 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 22:01:21,533 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)) [2018-01-20 22:01:21,533 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:21,533 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|))))) [2018-01-20 22:01:21,533 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 22:01:21,533 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 22:01:21,533 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 22:01:21,533 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 22:01:21,533 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 22:01:21,534 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 22:01:21,534 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:21,534 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:21,534 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 22:01:21,534 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 22:01:21,534 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-20 22:01:21,534 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 22:01:21,534 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 22:01:21,534 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 22:01:21,534 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:21,535 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:21,535 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 22:01:21,535 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 22:01:21,535 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 22:01:21,535 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:21,535 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:21,535 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:21,535 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:21,535 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:21,535 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 22:01:21,536 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 22:01:21,536 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:21,536 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 22:01:21,536 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 22:01:21,536 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 22:01:21,536 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 22:01:21,536 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:21,536 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:21,536 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:21,537 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|)))) [2018-01-20 22:01:21,537 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:21,537 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 22:01:21,537 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)) [2018-01-20 22:01:21,537 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:21,537 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:21,537 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:21,537 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 22:01:21,537 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)) [2018-01-20 22:01:21,538 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:21,538 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 22:01:21,538 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 22:01:21,538 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 22:01:21,538 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:21,538 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:21,538 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 22:01:21,538 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:21,538 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:21,539 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 22:01:21,539 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 22:01:21,539 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:21,539 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:21,539 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:21,539 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:21,539 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:21,539 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:21,539 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:21,540 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 22:01:21,540 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 22:01:21,540 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 22:01:21,540 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:21,540 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 22:01:21,540 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:21,540 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:21,540 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:21,540 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:21,540 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:21,541 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:21,541 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 22:01:21,541 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 22:01:21,541 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:21,541 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:21,541 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 22:01:21,541 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:21,541 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 22:01:21,541 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 22:01:21,541 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:21,542 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 22:01:21,542 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 22:01:21,542 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 22:01:21,542 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 22:01:21,542 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 22:01:21,542 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-20 22:01:21,542 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:21,542 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 22:01:21,542 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)) [2018-01-20 22:01:21,543 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 22:01:21,543 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:21,543 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:21,543 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))))) [2018-01-20 22:01:21,543 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 22:01:21,543 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 22:01:21,543 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:21,543 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 22:01:21,543 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 22:01:21,544 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:21,544 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 22:01:21,544 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 22:01:21,544 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 22:01:21,544 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 22:01:21,544 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:21,544 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:21,544 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:21,544 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 22:01:21,544 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 22:01:21,545 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 22:01:21,545 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:21,545 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 22:01:21,545 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:21,545 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 22:01:21,545 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)) [2018-01-20 22:01:21,545 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:21,545 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 22:01:21,546 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)) [2018-01-20 22:01:21,546 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:21,546 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:21,546 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 22:01:21,546 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 22:01:21,546 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:21,546 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:21,546 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:21,546 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 22:01:21,546 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 22:01:21,547 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:21,547 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 22:01:21,547 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 22:01:21,547 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 22:01:21,547 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 22:01:21,547 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 22:01:21,547 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:21,547 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-20 22:01:21,547 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:21,548 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 22:01:21,548 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:21,548 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 22:01:21,548 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:21,548 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)) [2018-01-20 22:01:21,548 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:21,548 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:21,548 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:21,548 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:21,549 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 22:01:21,549 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:21,549 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 22:01:21,549 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 22:01:21,549 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 22:01:21,549 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 22:01:21,549 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 22:01:21,549 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-20 22:01:21,549 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:21,549 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 22:01:21,550 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 22:01:21,551 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:01:21,552 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:01:21,552 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:01:21,552 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:01:21,552 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:01:21,552 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:01:21,552 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:01:21,552 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l2_insertErr0EnsuresViolation======== [2018-01-20 22:01:21,552 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:01:21,555 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 22:01:21,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-01-20 22:01:21,556 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:21,557 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] [2018-01-20 22:01:21,557 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l2_insertErr0EnsuresViolation]=== [2018-01-20 22:01:21,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1369468608, now seen corresponding path program 1 times [2018-01-20 22:01:21,557 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:21,557 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:21,558 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:21,558 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:21,558 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:21,568 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:21,592 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:21,592 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:21,592 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 [2018-01-20 22:01:21,604 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:21,646 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:21,653 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-01-20 22:01:21,674 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:21,674 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:21,675 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 22:01:21,675 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 22:01:21,675 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:01:21,675 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 22:01:21,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:21,689 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 22:01:21,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 22:01:21,689 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 80 [2018-01-20 22:01:21,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:21,691 INFO L225 Difference]: With dead ends: 354 [2018-01-20 22:01:21,691 INFO L226 Difference]: Without dead ends: 100 [2018-01-20 22:01:21,692 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 [2018-01-20 22:01:21,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-01-20 22:01:21,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-01-20 22:01:21,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-01-20 22:01:21,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-01-20 22:01:21,702 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 80 [2018-01-20 22:01:21,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:21,702 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-01-20 22:01:21,702 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 22:01:21,702 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-01-20 22:01:21,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-01-20 22:01:21,704 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:21,704 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] [2018-01-20 22:01:21,705 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l2_insertErr0EnsuresViolation]=== [2018-01-20 22:01:21,705 INFO L82 PathProgramCache]: Analyzing trace with hash 982384267, now seen corresponding path program 1 times [2018-01-20 22:01:21,705 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:21,705 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:21,706 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:21,706 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:21,706 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:21,721 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:21,776 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:21,776 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:21,777 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 [2018-01-20 22:01:21,786 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:21,910 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:21,946 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2018-01-20 22:01:21,967 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:21,967 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:21,967 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:01:21,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:01:21,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:01:21,968 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand 3 states. [2018-01-20 22:01:22,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:22,051 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2018-01-20 22:01:22,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:01:22,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2018-01-20 22:01:22,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:22,052 INFO L225 Difference]: With dead ends: 100 [2018-01-20 22:01:22,052 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:01:22,053 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 [2018-01-20 22:01:22,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:01:22,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:01:22,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:01:22,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:01:22,054 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 164 [2018-01-20 22:01:22,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:22,054 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:01:22,054 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:01:22,054 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:01:22,054 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:01:22,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 22:01:22,093 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:22,094 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:22,094 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:22,094 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 22:01:22,094 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 22:01:22,094 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 22:01:22,094 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 22:01:22,094 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-20 22:01:22,094 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 22:01:22,094 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:22,094 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 22:01:22,094 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 22:01:22,094 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 22:01:22,094 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:22,094 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 22:01:22,094 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:22,095 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|))))) [2018-01-20 22:01:22,095 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 22:01:22,095 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:22,095 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)) [2018-01-20 22:01:22,095 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:22,095 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 22:01:22,095 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)) [2018-01-20 22:01:22,095 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:22,095 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|))))) [2018-01-20 22:01:22,095 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 22:01:22,095 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 22:01:22,095 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 22:01:22,096 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 22:01:22,096 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 22:01:22,096 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 22:01:22,096 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:22,096 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:22,096 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 22:01:22,096 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 22:01:22,096 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-20 22:01:22,096 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 22:01:22,096 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 22:01:22,096 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 22:01:22,096 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:22,096 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:22,096 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 22:01:22,096 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 22:01:22,096 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 22:01:22,097 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,097 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:22,097 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:22,097 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,097 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:22,097 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 22:01:22,097 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 22:01:22,097 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,097 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 22:01:22,097 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 22:01:22,097 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 22:01:22,097 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 22:01:22,097 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:22,097 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,097 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:22,097 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|)))) [2018-01-20 22:01:22,098 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:22,098 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 22:01:22,098 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)) [2018-01-20 22:01:22,098 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:22,098 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:22,098 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:22,098 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 22:01:22,098 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)) [2018-01-20 22:01:22,098 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:22,098 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 22:01:22,098 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 22:01:22,098 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 22:01:22,098 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:22,098 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,098 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 22:01:22,098 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,099 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,099 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 22:01:22,099 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 22:01:22,099 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:22,099 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:22,099 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,099 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:22,099 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:22,099 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:22,099 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,099 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 22:01:22,099 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 22:01:22,099 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 22:01:22,099 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,099 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 22:01:22,099 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,100 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:22,100 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:22,100 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,100 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:22,100 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:22,100 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 22:01:22,100 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 22:01:22,100 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:22,100 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:22,100 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 22:01:22,100 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:22,100 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 22:01:22,100 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 22:01:22,100 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:22,100 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 22:01:22,100 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 22:01:22,101 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 22:01:22,101 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 22:01:22,101 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 22:01:22,101 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-20 22:01:22,101 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:22,101 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 22:01:22,101 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)) [2018-01-20 22:01:22,101 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 22:01:22,101 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:22,101 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:22,101 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))))) [2018-01-20 22:01:22,101 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 22:01:22,101 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 22:01:22,101 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:22,102 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 22:01:22,102 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 22:01:22,102 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:22,102 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 22:01:22,102 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 22:01:22,102 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 22:01:22,102 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 22:01:22,102 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:22,102 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,102 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,102 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 22:01:22,102 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 22:01:22,102 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 22:01:22,102 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,102 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 22:01:22,102 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:22,102 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 22:01:22,103 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)) [2018-01-20 22:01:22,103 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:22,103 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 22:01:22,103 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)) [2018-01-20 22:01:22,103 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:22,103 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:22,103 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 22:01:22,103 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 22:01:22,103 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:22,103 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,103 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:22,103 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 22:01:22,103 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 22:01:22,103 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:22,103 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 22:01:22,104 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 22:01:22,104 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 22:01:22,104 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 22:01:22,104 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 22:01:22,104 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:22,104 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-20 22:01:22,104 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:22,104 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 22:01:22,104 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:22,104 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 22:01:22,104 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:22,104 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)) [2018-01-20 22:01:22,104 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:22,104 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:22,104 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:22,104 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:22,105 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 22:01:22,105 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:22,105 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 22:01:22,105 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 22:01:22,105 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 22:01:22,105 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 22:01:22,105 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 22:01:22,105 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-20 22:01:22,105 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:22,105 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 22:01:22,105 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 22:01:22,107 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:01:22,107 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:01:22,107 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:01:22,107 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:01:22,107 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:01:22,107 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:01:22,107 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:01:22,107 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-20 22:01:22,107 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:01:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 22:01:22,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-20 22:01:22,109 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:22,109 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:01:22,109 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-20 22:01:22,110 INFO L82 PathProgramCache]: Analyzing trace with hash 742240668, now seen corresponding path program 1 times [2018-01-20 22:01:22,110 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:22,110 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:22,111 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:22,111 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:22,111 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:22,114 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:22,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:01:22,119 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:22,119 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:22,119 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 22:01:22,119 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 22:01:22,119 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:01:22,119 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 22:01:22,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:22,132 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 22:01:22,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 22:01:22,132 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-01-20 22:01:22,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:22,134 INFO L225 Difference]: With dead ends: 354 [2018-01-20 22:01:22,134 INFO L226 Difference]: Without dead ends: 164 [2018-01-20 22:01:22,135 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 [2018-01-20 22:01:22,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-01-20 22:01:22,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-01-20 22:01:22,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-01-20 22:01:22,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 179 transitions. [2018-01-20 22:01:22,148 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 179 transitions. Word has length 16 [2018-01-20 22:01:22,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:22,148 INFO L432 AbstractCegarLoop]: Abstraction has 164 states and 179 transitions. [2018-01-20 22:01:22,148 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 22:01:22,148 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 179 transitions. [2018-01-20 22:01:22,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-01-20 22:01:22,150 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:22,150 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] [2018-01-20 22:01:22,150 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-20 22:01:22,150 INFO L82 PathProgramCache]: Analyzing trace with hash 884785413, now seen corresponding path program 1 times [2018-01-20 22:01:22,150 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:22,150 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:22,151 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:22,151 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:22,151 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:22,163 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:22,207 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:22,207 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:22,207 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 [2018-01-20 22:01:22,216 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:22,359 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:22,410 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2018-01-20 22:01:22,432 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:22,432 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:22,432 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:01:22,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:01:22,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:01:22,433 INFO L87 Difference]: Start difference. First operand 164 states and 179 transitions. Second operand 3 states. [2018-01-20 22:01:22,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:22,566 INFO L93 Difference]: Finished difference Result 195 states and 214 transitions. [2018-01-20 22:01:22,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:01:22,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 248 [2018-01-20 22:01:22,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:22,567 INFO L225 Difference]: With dead ends: 195 [2018-01-20 22:01:22,567 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:01:22,568 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 [2018-01-20 22:01:22,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:01:22,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:01:22,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:01:22,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:01:22,569 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 248 [2018-01-20 22:01:22,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:22,569 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:01:22,569 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:01:22,569 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:01:22,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:01:22,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 22:01:22,643 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:22,643 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:22,643 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:22,643 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 22:01:22,643 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 22:01:22,643 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 22:01:22,644 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 22:01:22,644 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,644 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 22:01:22,644 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:22,644 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 22:01:22,644 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 22:01:22,644 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 22:01:22,644 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:22,644 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 22:01:22,644 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:22,644 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|))))) [2018-01-20 22:01:22,644 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 22:01:22,644 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:22,644 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)) [2018-01-20 22:01:22,644 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:22,645 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 22:01:22,645 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)) [2018-01-20 22:01:22,645 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:22,645 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|))))) [2018-01-20 22:01:22,645 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 22:01:22,645 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 22:01:22,645 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 22:01:22,645 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 22:01:22,645 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 22:01:22,645 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 22:01:22,645 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:22,645 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:22,645 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 22:01:22,645 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 22:01:22,645 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,646 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 22:01:22,646 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 22:01:22,646 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 22:01:22,646 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:22,646 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:22,646 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 22:01:22,646 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 22:01:22,646 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 22:01:22,646 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,646 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:22,646 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:22,646 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,646 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:22,646 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 22:01:22,646 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 22:01:22,646 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,646 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 22:01:22,647 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 22:01:22,647 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 22:01:22,647 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 22:01:22,647 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:22,647 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,647 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:22,647 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|))))) [2018-01-20 22:01:22,647 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:22,647 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 22:01:22,647 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)) [2018-01-20 22:01:22,647 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:22,647 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:22,647 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:22,647 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 22:01:22,647 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)) [2018-01-20 22:01:22,648 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:22,648 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 22:01:22,648 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 22:01:22,648 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 22:01:22,648 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:22,648 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,648 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 22:01:22,648 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,648 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,648 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 22:01:22,648 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 22:01:22,648 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:22,648 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:22,648 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,648 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:22,648 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:22,648 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:22,649 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,649 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 22:01:22,649 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 22:01:22,649 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 22:01:22,649 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,649 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 22:01:22,649 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,649 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:22,649 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:22,649 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,649 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:22,649 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:22,649 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 22:01:22,649 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 22:01:22,649 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:22,649 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:22,650 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 22:01:22,650 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:22,650 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 22:01:22,650 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 22:01:22,650 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:22,650 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 22:01:22,650 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 22:01:22,650 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 22:01:22,650 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 22:01:22,650 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 22:01:22,650 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,650 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:22,650 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 22:01:22,650 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)) [2018-01-20 22:01:22,650 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 22:01:22,650 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:22,651 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:22,651 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))))) [2018-01-20 22:01:22,651 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 22:01:22,651 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 22:01:22,651 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:22,651 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 22:01:22,651 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 22:01:22,651 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:22,651 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 22:01:22,651 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 22:01:22,651 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 22:01:22,651 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 22:01:22,651 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:22,651 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,651 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,651 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 22:01:22,652 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 22:01:22,652 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 22:01:22,652 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,652 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 22:01:22,652 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:22,652 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 22:01:22,652 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)) [2018-01-20 22:01:22,652 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:22,652 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 22:01:22,652 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)) [2018-01-20 22:01:22,652 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:22,652 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:22,652 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 22:01:22,652 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 22:01:22,652 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:22,653 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,653 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:22,653 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 22:01:22,653 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 22:01:22,653 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:22,653 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 22:01:22,653 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 22:01:22,653 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 22:01:22,653 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 22:01:22,653 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 22:01:22,653 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:22,653 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,653 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:22,653 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 22:01:22,653 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:22,653 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 22:01:22,653 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:22,654 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)) [2018-01-20 22:01:22,654 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:22,654 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:22,654 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:22,654 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:22,654 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 22:01:22,654 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:22,654 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 22:01:22,654 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 22:01:22,654 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 22:01:22,654 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 22:01:22,654 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 22:01:22,654 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:22,654 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:22,654 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 22:01:22,654 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 22:01:22,656 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:01:22,656 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:01:22,656 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:01:22,656 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:01:22,656 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:01:22,656 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:01:22,656 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:01:22,656 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l3_insertErr0EnsuresViolation======== [2018-01-20 22:01:22,656 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:01:22,657 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 22:01:22,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-01-20 22:01:22,659 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:22,659 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] [2018-01-20 22:01:22,659 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l3_insertErr0EnsuresViolation]=== [2018-01-20 22:01:22,659 INFO L82 PathProgramCache]: Analyzing trace with hash -138312325, now seen corresponding path program 1 times [2018-01-20 22:01:22,659 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:22,660 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:22,660 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:22,660 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:22,661 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:22,670 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:22,696 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:22,696 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:22,697 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 [2018-01-20 22:01:22,704 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:22,782 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-01-20 22:01:22,826 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:22,827 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:22,827 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 22:01:22,827 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 22:01:22,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:01:22,827 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 22:01:22,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:22,839 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 22:01:22,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 22:01:22,839 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 102 [2018-01-20 22:01:22,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:22,840 INFO L225 Difference]: With dead ends: 354 [2018-01-20 22:01:22,840 INFO L226 Difference]: Without dead ends: 100 [2018-01-20 22:01:22,840 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 [2018-01-20 22:01:22,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-01-20 22:01:22,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-01-20 22:01:22,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-01-20 22:01:22,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-01-20 22:01:22,847 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 102 [2018-01-20 22:01:22,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:22,848 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-01-20 22:01:22,848 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 22:01:22,848 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-01-20 22:01:22,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-01-20 22:01:22,849 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:22,849 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] [2018-01-20 22:01:22,849 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l3_insertErr0EnsuresViolation]=== [2018-01-20 22:01:22,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1152316646, now seen corresponding path program 1 times [2018-01-20 22:01:22,850 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:22,850 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:22,851 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:22,851 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:22,851 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:22,860 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:22,887 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:22,887 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:22,888 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 [2018-01-20 22:01:22,894 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:22,999 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:23,034 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-01-20 22:01:23,069 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:23,069 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:23,069 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:01:23,069 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:01:23,069 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:01:23,070 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand 3 states. [2018-01-20 22:01:23,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:23,281 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2018-01-20 22:01:23,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:01:23,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2018-01-20 22:01:23,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:23,282 INFO L225 Difference]: With dead ends: 100 [2018-01-20 22:01:23,282 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:01:23,282 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 [2018-01-20 22:01:23,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:01:23,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:01:23,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:01:23,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:01:23,283 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-01-20 22:01:23,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:23,283 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:01:23,283 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:01:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:01:23,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:01:23,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 22:01:23,324 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:23,325 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:23,325 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:23,325 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 22:01:23,325 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 22:01:23,325 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 22:01:23,325 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 22:01:23,325 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,325 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 22:01:23,325 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:23,325 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 22:01:23,325 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 22:01:23,325 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 22:01:23,325 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:23,325 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 22:01:23,326 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:23,326 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|))))) [2018-01-20 22:01:23,326 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 22:01:23,326 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:23,326 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)) [2018-01-20 22:01:23,326 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:23,326 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 22:01:23,326 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)) [2018-01-20 22:01:23,326 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:23,326 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|))))) [2018-01-20 22:01:23,326 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 22:01:23,326 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 22:01:23,326 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 22:01:23,326 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 22:01:23,327 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 22:01:23,327 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 22:01:23,327 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:23,327 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:23,327 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 22:01:23,327 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 22:01:23,327 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,327 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 22:01:23,327 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 22:01:23,327 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 22:01:23,327 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:23,327 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:23,327 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 22:01:23,327 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 22:01:23,327 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 22:01:23,327 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,328 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:23,328 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:23,328 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,328 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:23,328 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 22:01:23,328 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 22:01:23,328 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,328 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 22:01:23,328 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 22:01:23,328 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 22:01:23,328 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 22:01:23,328 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:23,328 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,328 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:23,328 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|))))) [2018-01-20 22:01:23,329 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:23,329 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 22:01:23,329 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)) [2018-01-20 22:01:23,329 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:23,329 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:23,329 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:23,329 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 22:01:23,329 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)) [2018-01-20 22:01:23,329 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:23,329 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 22:01:23,329 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 22:01:23,330 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 22:01:23,330 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:23,330 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,330 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 22:01:23,330 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,330 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,330 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 22:01:23,330 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 22:01:23,330 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:23,330 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:23,330 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,331 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:23,331 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:23,331 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:23,331 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,331 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 22:01:23,331 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 22:01:23,331 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 22:01:23,331 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,331 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 22:01:23,331 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,331 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:23,331 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:23,331 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,331 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:23,331 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:23,332 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 22:01:23,332 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 22:01:23,332 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:23,332 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:23,332 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 22:01:23,332 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:23,332 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 22:01:23,332 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 22:01:23,332 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:23,332 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 22:01:23,332 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 22:01:23,332 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 22:01:23,332 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 22:01:23,332 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 22:01:23,332 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,332 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:23,332 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 22:01:23,333 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)) [2018-01-20 22:01:23,333 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 22:01:23,333 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:23,333 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:23,333 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))))) [2018-01-20 22:01:23,333 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 22:01:23,333 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 22:01:23,333 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:23,333 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 22:01:23,333 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 22:01:23,333 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:23,333 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 22:01:23,333 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 22:01:23,333 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 22:01:23,333 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 22:01:23,334 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:23,334 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,334 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,334 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 22:01:23,334 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 22:01:23,334 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 22:01:23,334 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,334 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 22:01:23,334 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:23,334 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 22:01:23,334 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)) [2018-01-20 22:01:23,334 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:23,334 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 22:01:23,334 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)) [2018-01-20 22:01:23,334 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:23,335 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:23,335 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 22:01:23,335 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 22:01:23,335 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:23,335 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,335 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:23,335 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 22:01:23,335 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 22:01:23,335 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:23,335 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 22:01:23,335 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 22:01:23,335 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 22:01:23,335 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 22:01:23,335 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 22:01:23,335 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:23,335 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,335 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:23,336 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 22:01:23,336 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:23,336 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 22:01:23,336 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:23,336 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)) [2018-01-20 22:01:23,336 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:23,336 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:23,336 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:23,336 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:23,336 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 22:01:23,336 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:23,336 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 22:01:23,336 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 22:01:23,336 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 22:01:23,336 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 22:01:23,336 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 22:01:23,337 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,337 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:23,337 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 22:01:23,337 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 22:01:23,338 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:01:23,339 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:01:23,339 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:01:23,339 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:01:23,339 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:01:23,339 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:01:23,339 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:01:23,339 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l1_insertErr0EnsuresViolation======== [2018-01-20 22:01:23,339 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:01:23,341 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 22:01:23,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-01-20 22:01:23,341 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:23,342 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] [2018-01-20 22:01:23,342 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l1_insertErr0EnsuresViolation]=== [2018-01-20 22:01:23,342 INFO L82 PathProgramCache]: Analyzing trace with hash 470535462, now seen corresponding path program 1 times [2018-01-20 22:01:23,342 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:23,342 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:23,343 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:23,343 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:23,343 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:23,348 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:23,361 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:23,361 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:23,361 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 [2018-01-20 22:01:23,369 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:23,414 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:23,418 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-20 22:01:23,452 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:23,452 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:23,452 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 22:01:23,452 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 22:01:23,453 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:01:23,453 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 22:01:23,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:23,464 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 22:01:23,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 22:01:23,464 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 58 [2018-01-20 22:01:23,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:23,465 INFO L225 Difference]: With dead ends: 354 [2018-01-20 22:01:23,465 INFO L226 Difference]: Without dead ends: 100 [2018-01-20 22:01:23,466 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 [2018-01-20 22:01:23,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-01-20 22:01:23,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-01-20 22:01:23,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-01-20 22:01:23,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-01-20 22:01:23,473 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 58 [2018-01-20 22:01:23,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:23,474 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-01-20 22:01:23,474 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 22:01:23,474 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-01-20 22:01:23,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-01-20 22:01:23,475 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:23,475 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] [2018-01-20 22:01:23,476 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l1_insertErr0EnsuresViolation]=== [2018-01-20 22:01:23,476 INFO L82 PathProgramCache]: Analyzing trace with hash 287256462, now seen corresponding path program 1 times [2018-01-20 22:01:23,476 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:23,476 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:23,477 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:23,477 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:23,477 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:23,488 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:23,531 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:23,531 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:23,531 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 [2018-01-20 22:01:23,539 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:23,667 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:23,704 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-01-20 22:01:23,740 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:23,741 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:23,741 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:01:23,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:01:23,741 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:01:23,742 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand 3 states. [2018-01-20 22:01:23,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:23,795 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2018-01-20 22:01:23,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:01:23,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2018-01-20 22:01:23,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:23,796 INFO L225 Difference]: With dead ends: 100 [2018-01-20 22:01:23,796 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:01:23,796 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 [2018-01-20 22:01:23,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:01:23,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:01:23,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:01:23,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:01:23,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2018-01-20 22:01:23,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:23,797 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:01:23,797 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:01:23,797 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:01:23,797 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:01:23,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 22:01:23,915 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:23,915 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:23,915 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:23,915 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 22:01:23,915 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 22:01:23,915 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 22:01:23,916 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 22:01:23,916 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,916 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 22:01:23,916 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:23,916 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 22:01:23,916 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 22:01:23,916 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 22:01:23,916 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:23,916 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 22:01:23,916 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:23,916 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|))))) [2018-01-20 22:01:23,916 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 22:01:23,917 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:23,917 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)) [2018-01-20 22:01:23,917 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:23,917 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 22:01:23,917 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)) [2018-01-20 22:01:23,917 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:23,917 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|))))) [2018-01-20 22:01:23,917 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 22:01:23,917 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 22:01:23,917 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 22:01:23,917 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 22:01:23,917 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 22:01:23,917 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 22:01:23,918 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:23,918 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:23,918 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 22:01:23,918 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 22:01:23,918 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,918 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 22:01:23,918 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 22:01:23,918 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 22:01:23,918 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:23,918 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:23,918 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 22:01:23,918 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 22:01:23,918 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 22:01:23,919 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,919 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:23,919 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:23,919 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,919 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:23,919 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 22:01:23,919 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 22:01:23,919 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,919 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 22:01:23,919 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 22:01:23,919 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 22:01:23,919 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 22:01:23,919 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:23,920 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,920 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:23,920 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|))))) [2018-01-20 22:01:23,920 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:23,920 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 22:01:23,920 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)) [2018-01-20 22:01:23,920 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:23,920 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:23,920 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:23,920 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 22:01:23,920 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)) [2018-01-20 22:01:23,920 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:23,921 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 22:01:23,921 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 22:01:23,921 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 22:01:23,921 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:23,921 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,921 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 22:01:23,921 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,921 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,921 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 22:01:23,921 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 22:01:23,921 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:23,921 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:23,921 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,921 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:23,922 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:23,922 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:23,922 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,922 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 22:01:23,922 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 22:01:23,922 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 22:01:23,922 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,922 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 22:01:23,922 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,922 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:23,922 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:23,922 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,922 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:23,923 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:23,923 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 22:01:23,923 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 22:01:23,923 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:23,923 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:23,923 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 22:01:23,923 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:23,923 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 22:01:23,923 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 22:01:23,923 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:23,923 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 22:01:23,923 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 22:01:23,923 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 22:01:23,923 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 22:01:23,924 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 22:01:23,924 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,924 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:23,924 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 22:01:23,924 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)) [2018-01-20 22:01:23,924 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 22:01:23,924 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:23,924 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:23,924 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))))) [2018-01-20 22:01:23,924 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 22:01:23,924 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 22:01:23,924 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:23,925 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 22:01:23,925 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 22:01:23,925 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:23,925 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 22:01:23,925 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 22:01:23,925 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 22:01:23,925 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 22:01:23,925 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:23,925 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,925 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,925 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 22:01:23,925 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 22:01:23,926 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 22:01:23,926 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,926 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 22:01:23,926 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:23,926 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 22:01:23,926 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)) [2018-01-20 22:01:23,926 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:23,926 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 22:01:23,926 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)) [2018-01-20 22:01:23,927 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:23,927 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:23,927 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 22:01:23,927 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 22:01:23,927 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:23,927 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,927 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:23,927 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 22:01:23,927 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 22:01:23,927 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:23,927 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 22:01:23,927 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 22:01:23,927 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 22:01:23,927 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 22:01:23,928 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 22:01:23,928 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:23,928 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,928 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:23,928 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 22:01:23,928 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:23,928 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 22:01:23,928 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:23,928 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)) [2018-01-20 22:01:23,928 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:23,928 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:23,928 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:23,928 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:23,929 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 22:01:23,929 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:23,929 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 22:01:23,929 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 22:01:23,929 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 22:01:23,929 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 22:01:23,929 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 22:01:23,929 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:23,929 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:23,929 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 22:01:23,929 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 22:01:23,931 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:01:23,931 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:01:23,931 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:01:23,931 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:01:23,931 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:01:23,932 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:01:23,932 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:01:23,932 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l0_destroyErr0EnsuresViolation======== [2018-01-20 22:01:23,932 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:01:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 22:01:23,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-20 22:01:23,933 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:23,934 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:01:23,934 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l0_destroyErr0EnsuresViolation]=== [2018-01-20 22:01:23,934 INFO L82 PathProgramCache]: Analyzing trace with hash 865621350, now seen corresponding path program 1 times [2018-01-20 22:01:23,934 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:23,934 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:23,935 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:23,935 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:23,935 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:23,939 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:01:23,944 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:23,945 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:23,945 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 22:01:23,945 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 22:01:23,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:01:23,945 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 22:01:23,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:23,954 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 22:01:23,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 22:01:23,954 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-01-20 22:01:23,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:23,956 INFO L225 Difference]: With dead ends: 354 [2018-01-20 22:01:23,956 INFO L226 Difference]: Without dead ends: 161 [2018-01-20 22:01:23,957 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 [2018-01-20 22:01:23,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-01-20 22:01:23,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-01-20 22:01:23,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-01-20 22:01:23,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 176 transitions. [2018-01-20 22:01:23,965 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 176 transitions. Word has length 13 [2018-01-20 22:01:23,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:23,966 INFO L432 AbstractCegarLoop]: Abstraction has 161 states and 176 transitions. [2018-01-20 22:01:23,966 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 22:01:23,966 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 176 transitions. [2018-01-20 22:01:23,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-01-20 22:01:23,967 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:23,968 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] [2018-01-20 22:01:23,968 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l0_destroyErr0EnsuresViolation]=== [2018-01-20 22:01:23,968 INFO L82 PathProgramCache]: Analyzing trace with hash 411346589, now seen corresponding path program 1 times [2018-01-20 22:01:23,968 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:23,968 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:23,969 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:23,969 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:23,969 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:23,980 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:24,040 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:24,040 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:24,040 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 [2018-01-20 22:01:24,049 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:24,166 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:24,194 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 [2018-01-20 22:01:24,217 INFO L700 Elim1Store]: detected not equals via solver [2018-01-20 22:01:24,218 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 [2018-01-20 22:01:24,219 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-20 22:01:24,230 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. [2018-01-20 22:01:24,231 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-20 22:01:24,272 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 [2018-01-20 22:01:24,303 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-20 22:01:24,325 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:24,325 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-20 22:01:24,325 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 22:01:24,326 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 22:01:24,326 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-20 22:01:24,326 INFO L87 Difference]: Start difference. First operand 161 states and 176 transitions. Second operand 6 states. [2018-01-20 22:01:24,358 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 [2018-01-20 22:01:24,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:24,362 INFO L93 Difference]: Finished difference Result 177 states and 196 transitions. [2018-01-20 22:01:24,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-20 22:01:24,363 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 245 [2018-01-20 22:01:24,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:24,363 INFO L225 Difference]: With dead ends: 177 [2018-01-20 22:01:24,363 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:01:24,363 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 [2018-01-20 22:01:24,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:01:24,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:01:24,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:01:24,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:01:24,364 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2018-01-20 22:01:24,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:24,364 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:01:24,364 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 22:01:24,364 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:01:24,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:01:24,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 22:01:24,475 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:24,475 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:24,475 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:24,476 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 22:01:24,476 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 22:01:24,476 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 22:01:24,476 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 22:01:24,476 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,476 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 22:01:24,476 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:24,476 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 22:01:24,476 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 22:01:24,476 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 22:01:24,476 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:24,476 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 22:01:24,476 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:24,476 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|))))) [2018-01-20 22:01:24,476 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 22:01:24,477 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:24,477 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)) [2018-01-20 22:01:24,477 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:24,477 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 22:01:24,477 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)) [2018-01-20 22:01:24,477 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:24,477 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|))))) [2018-01-20 22:01:24,477 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 22:01:24,477 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 22:01:24,477 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 22:01:24,477 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 22:01:24,477 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 22:01:24,477 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 22:01:24,477 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:24,477 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:24,478 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 22:01:24,478 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 22:01:24,478 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,478 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 22:01:24,478 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 22:01:24,478 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 22:01:24,478 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:24,478 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:24,478 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 22:01:24,478 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 22:01:24,478 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 22:01:24,478 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,478 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:24,478 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:24,478 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,478 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:24,479 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 22:01:24,479 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 22:01:24,479 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,479 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 22:01:24,479 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 22:01:24,479 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 22:01:24,479 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 22:01:24,479 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:24,479 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,479 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:24,479 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|))))) [2018-01-20 22:01:24,479 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:24,479 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 22:01:24,479 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)) [2018-01-20 22:01:24,479 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:24,480 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:24,480 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:24,480 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 22:01:24,480 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)) [2018-01-20 22:01:24,480 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:24,480 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 22:01:24,480 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 22:01:24,480 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 22:01:24,480 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:24,480 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,480 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 22:01:24,480 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,480 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,480 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 22:01:24,480 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 22:01:24,480 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:24,481 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:24,481 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,481 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:24,481 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:24,481 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:24,481 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,481 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 22:01:24,481 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 22:01:24,481 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 22:01:24,481 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,481 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 22:01:24,481 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,481 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:24,481 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:24,481 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,481 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:24,482 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:24,482 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 22:01:24,482 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 22:01:24,482 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:24,482 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:24,482 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 22:01:24,482 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:24,482 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 22:01:24,482 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 22:01:24,482 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:24,482 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 22:01:24,482 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 22:01:24,482 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 22:01:24,482 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 22:01:24,482 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 22:01:24,482 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,482 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:24,483 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 22:01:24,483 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)) [2018-01-20 22:01:24,483 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 22:01:24,483 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:24,483 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:24,483 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))))) [2018-01-20 22:01:24,483 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 22:01:24,483 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 22:01:24,483 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:24,483 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 22:01:24,483 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 22:01:24,483 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:24,484 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 22:01:24,484 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 22:01:24,484 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 22:01:24,484 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 22:01:24,484 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:24,484 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,484 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,484 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 22:01:24,484 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 22:01:24,484 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 22:01:24,484 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,484 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 22:01:24,484 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:24,484 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 22:01:24,485 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)) [2018-01-20 22:01:24,485 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:24,485 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 22:01:24,485 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)) [2018-01-20 22:01:24,485 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:24,485 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:24,485 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 22:01:24,485 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 22:01:24,485 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:24,485 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,485 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:24,485 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 22:01:24,485 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 22:01:24,485 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:24,485 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 22:01:24,485 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 22:01:24,486 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 22:01:24,486 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 22:01:24,486 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 22:01:24,486 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:24,486 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,486 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:24,486 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 22:01:24,486 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:24,486 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 22:01:24,486 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:24,486 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)) [2018-01-20 22:01:24,486 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:24,486 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:24,486 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:24,486 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:24,486 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 22:01:24,487 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:24,487 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 22:01:24,487 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 22:01:24,487 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 22:01:24,487 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 22:01:24,487 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 22:01:24,487 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,487 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:24,487 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 22:01:24,487 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 22:01:24,488 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:01:24,489 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:01:24,489 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:01:24,489 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:01:24,489 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:01:24,489 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:01:24,489 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:01:24,489 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == calloc_modelErr0EnsuresViolation======== [2018-01-20 22:01:24,489 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:01:24,490 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 22:01:24,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-20 22:01:24,491 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:24,491 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] [2018-01-20 22:01:24,491 INFO L371 AbstractCegarLoop]: === Iteration 1 === [calloc_modelErr0EnsuresViolation]=== [2018-01-20 22:01:24,491 INFO L82 PathProgramCache]: Analyzing trace with hash 94428420, now seen corresponding path program 1 times [2018-01-20 22:01:24,491 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:24,491 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:24,492 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:24,492 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:24,492 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:24,497 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:24,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:01:24,550 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:24,550 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 22:01:24,550 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-20 22:01:24,551 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-20 22:01:24,551 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-20 22:01:24,551 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 5 states. [2018-01-20 22:01:24,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:24,568 INFO L93 Difference]: Finished difference Result 181 states and 207 transitions. [2018-01-20 22:01:24,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-20 22:01:24,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-01-20 22:01:24,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:24,569 INFO L225 Difference]: With dead ends: 181 [2018-01-20 22:01:24,569 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:01:24,570 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 [2018-01-20 22:01:24,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:01:24,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:01:24,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:01:24,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:01:24,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-01-20 22:01:24,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:24,571 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:01:24,571 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-20 22:01:24,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:01:24,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:01:24,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 22:01:24,594 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:24,594 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:24,594 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:24,594 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 22:01:24,594 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 22:01:24,594 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 22:01:24,594 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 22:01:24,594 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,594 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 22:01:24,594 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:24,594 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 22:01:24,594 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 22:01:24,594 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 22:01:24,594 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:24,595 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 22:01:24,595 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:24,595 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|))))) [2018-01-20 22:01:24,595 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 22:01:24,595 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:24,595 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)) [2018-01-20 22:01:24,595 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:24,595 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 22:01:24,595 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)) [2018-01-20 22:01:24,595 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:24,595 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|))))) [2018-01-20 22:01:24,595 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 22:01:24,595 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 22:01:24,596 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 22:01:24,596 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 22:01:24,596 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 22:01:24,596 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 22:01:24,596 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:24,596 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:24,596 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 22:01:24,596 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 22:01:24,596 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,596 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 22:01:24,596 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 22:01:24,596 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 22:01:24,596 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:24,596 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:24,596 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 22:01:24,596 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 22:01:24,596 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 22:01:24,597 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,597 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:24,597 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:24,597 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,597 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:24,597 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 22:01:24,597 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 22:01:24,597 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,597 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 22:01:24,597 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 22:01:24,597 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 22:01:24,597 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 22:01:24,597 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:24,597 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,597 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:24,598 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|))))) [2018-01-20 22:01:24,598 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:24,598 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 22:01:24,598 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)) [2018-01-20 22:01:24,598 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:24,598 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:24,598 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:24,598 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 22:01:24,598 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)) [2018-01-20 22:01:24,598 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:24,598 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 22:01:24,598 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 22:01:24,598 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 22:01:24,598 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:24,598 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,599 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 22:01:24,599 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,599 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,599 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 22:01:24,599 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 22:01:24,599 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:24,599 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:24,599 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,599 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:24,599 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:24,599 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:24,599 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,599 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 22:01:24,599 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 22:01:24,599 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 22:01:24,599 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,600 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 22:01:24,600 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,600 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:24,600 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:24,600 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,600 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:24,600 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:24,600 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 22:01:24,600 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 22:01:24,600 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:24,600 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:24,600 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 22:01:24,600 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:24,601 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 22:01:24,601 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 22:01:24,601 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:24,601 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 22:01:24,601 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 22:01:24,601 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 22:01:24,601 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 22:01:24,601 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 22:01:24,601 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,601 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:24,602 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 22:01:24,602 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)) [2018-01-20 22:01:24,602 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 22:01:24,602 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:24,602 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:24,602 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))))) [2018-01-20 22:01:24,602 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 22:01:24,602 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 22:01:24,602 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:24,602 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 22:01:24,603 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 22:01:24,603 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:24,603 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 22:01:24,603 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 22:01:24,603 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 22:01:24,603 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 22:01:24,603 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:24,603 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,603 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,603 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 22:01:24,604 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 22:01:24,604 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 22:01:24,604 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,604 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 22:01:24,604 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:24,604 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 22:01:24,604 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)) [2018-01-20 22:01:24,604 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:24,604 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 22:01:24,604 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)) [2018-01-20 22:01:24,605 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:24,605 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:24,605 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 22:01:24,605 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 22:01:24,605 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:24,605 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,605 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:24,605 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 22:01:24,605 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 22:01:24,605 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:24,605 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 22:01:24,605 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 22:01:24,605 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 22:01:24,605 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 22:01:24,605 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 22:01:24,605 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:24,606 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,606 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:24,606 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 22:01:24,606 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:24,606 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 22:01:24,606 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:24,606 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-20 22:01:24,606 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:24,606 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:24,606 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:24,606 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:24,606 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 22:01:24,606 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:24,606 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 22:01:24,606 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 22:01:24,606 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 22:01:24,606 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 22:01:24,607 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 22:01:24,607 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:24,607 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:24,607 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 22:01:24,607 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 22:01:24,608 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:01:24,608 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:01:24,608 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:01:24,608 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:01:24,609 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:01:24,609 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:01:24,609 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:01:24,609 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l4_insertErr0EnsuresViolation======== [2018-01-20 22:01:24,609 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:01:24,611 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 22:01:24,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-01-20 22:01:24,612 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:24,613 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] [2018-01-20 22:01:24,613 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l4_insertErr0EnsuresViolation]=== [2018-01-20 22:01:24,613 INFO L82 PathProgramCache]: Analyzing trace with hash -973214893, now seen corresponding path program 1 times [2018-01-20 22:01:24,613 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:24,613 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:24,614 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:24,614 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:24,614 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:24,625 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:24,657 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:24,657 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:24,657 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 [2018-01-20 22:01:24,665 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:24,772 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:24,787 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-01-20 22:01:24,820 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:24,820 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:24,821 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 22:01:24,821 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 22:01:24,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:01:24,821 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 22:01:24,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:24,831 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 22:01:24,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 22:01:24,831 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 146 [2018-01-20 22:01:24,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:24,832 INFO L225 Difference]: With dead ends: 354 [2018-01-20 22:01:24,832 INFO L226 Difference]: Without dead ends: 100 [2018-01-20 22:01:24,833 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 [2018-01-20 22:01:24,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-01-20 22:01:24,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-01-20 22:01:24,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-01-20 22:01:24,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-01-20 22:01:24,838 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 146 [2018-01-20 22:01:24,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:24,839 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-01-20 22:01:24,839 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 22:01:24,839 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-01-20 22:01:24,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-01-20 22:01:24,840 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:24,840 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] [2018-01-20 22:01:24,840 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l4_insertErr0EnsuresViolation]=== [2018-01-20 22:01:24,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1897932497, now seen corresponding path program 1 times [2018-01-20 22:01:24,840 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:24,840 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:24,841 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:24,841 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:24,841 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:24,851 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:24,880 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:24,880 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:24,880 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 [2018-01-20 22:01:24,888 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:24,999 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:25,036 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2018-01-20 22:01:25,070 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:25,070 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:25,071 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:01:25,071 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:01:25,071 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:01:25,071 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand 3 states. [2018-01-20 22:01:25,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:25,145 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2018-01-20 22:01:25,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:01:25,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2018-01-20 22:01:25,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:25,147 INFO L225 Difference]: With dead ends: 100 [2018-01-20 22:01:25,147 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:01:25,147 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 [2018-01-20 22:01:25,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:01:25,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:01:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:01:25,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:01:25,148 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 146 [2018-01-20 22:01:25,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:25,148 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:01:25,148 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:01:25,148 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:01:25,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:01:25,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 22:01:25,237 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:25,237 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:25,238 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:25,238 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 22:01:25,238 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 22:01:25,238 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 22:01:25,238 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 22:01:25,238 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,238 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 22:01:25,238 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:25,238 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 22:01:25,238 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 22:01:25,238 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 22:01:25,239 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:25,239 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 22:01:25,239 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:25,239 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|))))) [2018-01-20 22:01:25,239 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 22:01:25,239 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:25,239 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)) [2018-01-20 22:01:25,239 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:25,239 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 22:01:25,240 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)) [2018-01-20 22:01:25,240 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:25,240 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|))))) [2018-01-20 22:01:25,240 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 22:01:25,240 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 22:01:25,240 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 22:01:25,240 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 22:01:25,240 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 22:01:25,240 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 22:01:25,240 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:25,240 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:25,241 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 22:01:25,241 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 22:01:25,241 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,241 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 22:01:25,241 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 22:01:25,241 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 22:01:25,241 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:25,241 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:25,241 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 22:01:25,241 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 22:01:25,241 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 22:01:25,242 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,242 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:25,242 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:25,242 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,242 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:25,242 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 22:01:25,242 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 22:01:25,242 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,242 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 22:01:25,242 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 22:01:25,243 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 22:01:25,243 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 22:01:25,243 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:25,243 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,243 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:25,243 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|))))) [2018-01-20 22:01:25,243 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:25,243 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 22:01:25,243 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)) [2018-01-20 22:01:25,243 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:25,244 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:25,244 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:25,244 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 22:01:25,244 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)) [2018-01-20 22:01:25,244 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:25,244 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 22:01:25,244 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 22:01:25,244 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 22:01:25,244 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:25,244 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,244 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 22:01:25,245 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,245 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,245 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 22:01:25,245 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 22:01:25,245 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:25,245 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:25,245 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,245 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:25,245 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:25,245 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:25,246 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,246 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 22:01:25,246 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 22:01:25,246 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 22:01:25,246 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,246 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 22:01:25,246 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,246 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:25,246 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:25,246 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,246 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:25,247 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:25,247 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 22:01:25,247 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 22:01:25,247 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:25,247 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:25,247 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 22:01:25,247 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:25,247 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 22:01:25,247 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 22:01:25,247 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:25,247 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 22:01:25,248 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 22:01:25,248 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 22:01:25,248 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 22:01:25,248 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 22:01:25,248 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,248 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:25,248 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 22:01:25,248 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)) [2018-01-20 22:01:25,248 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 22:01:25,248 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:25,248 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:25,249 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))))) [2018-01-20 22:01:25,249 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 22:01:25,249 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 22:01:25,249 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:25,249 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 22:01:25,249 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 22:01:25,249 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:25,249 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 22:01:25,249 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 22:01:25,249 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 22:01:25,249 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 22:01:25,250 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:25,250 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,250 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,250 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 22:01:25,250 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 22:01:25,250 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 22:01:25,250 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,250 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 22:01:25,250 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:25,250 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 22:01:25,251 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)) [2018-01-20 22:01:25,251 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:25,251 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 22:01:25,251 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)) [2018-01-20 22:01:25,251 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:25,251 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:25,251 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 22:01:25,251 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 22:01:25,251 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:25,251 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,252 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:25,252 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 22:01:25,252 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 22:01:25,252 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:25,252 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 22:01:25,252 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 22:01:25,252 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 22:01:25,252 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 22:01:25,252 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 22:01:25,252 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:25,252 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,253 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:25,253 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 22:01:25,253 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:25,253 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 22:01:25,253 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:25,253 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-20 22:01:25,253 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:25,253 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:25,253 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:25,253 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:25,253 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 22:01:25,254 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:25,254 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 22:01:25,254 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 22:01:25,254 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 22:01:25,254 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 22:01:25,254 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 22:01:25,254 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,254 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:25,254 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 22:01:25,254 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 22:01:25,259 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:01:25,259 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:01:25,259 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:01:25,259 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:01:25,259 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:01:25,259 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:01:25,260 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:01:25,260 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == zalloc_or_dieErr0EnsuresViolation======== [2018-01-20 22:01:25,260 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:01:25,261 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 22:01:25,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-20 22:01:25,262 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:25,263 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] [2018-01-20 22:01:25,263 INFO L371 AbstractCegarLoop]: === Iteration 1 === [zalloc_or_dieErr0EnsuresViolation]=== [2018-01-20 22:01:25,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1621508488, now seen corresponding path program 1 times [2018-01-20 22:01:25,263 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:25,263 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:25,264 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:25,264 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:25,264 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:25,269 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:25,278 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:25,278 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:25,278 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 [2018-01-20 22:01:25,286 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:25,310 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:25,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:01:25,345 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:25,346 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:25,346 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 22:01:25,346 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 22:01:25,346 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:01:25,346 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 22:01:25,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:25,355 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 22:01:25,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 22:01:25,355 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-01-20 22:01:25,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:25,356 INFO L225 Difference]: With dead ends: 354 [2018-01-20 22:01:25,356 INFO L226 Difference]: Without dead ends: 100 [2018-01-20 22:01:25,357 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 [2018-01-20 22:01:25,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-01-20 22:01:25,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-01-20 22:01:25,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-01-20 22:01:25,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-01-20 22:01:25,363 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 27 [2018-01-20 22:01:25,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:25,363 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-01-20 22:01:25,363 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 22:01:25,363 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-01-20 22:01:25,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-20 22:01:25,364 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:25,364 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] [2018-01-20 22:01:25,364 INFO L371 AbstractCegarLoop]: === Iteration 2 === [zalloc_or_dieErr0EnsuresViolation]=== [2018-01-20 22:01:25,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1621508457, now seen corresponding path program 1 times [2018-01-20 22:01:25,364 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:25,364 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:25,365 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:25,365 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:25,365 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:25,370 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:25,378 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:25,378 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:25,379 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 [2018-01-20 22:01:25,385 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:25,410 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:25,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:01:25,448 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:25,449 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:25,449 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:01:25,449 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:01:25,449 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:01:25,449 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand 3 states. [2018-01-20 22:01:25,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:25,503 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2018-01-20 22:01:25,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:01:25,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-01-20 22:01:25,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:25,503 INFO L225 Difference]: With dead ends: 100 [2018-01-20 22:01:25,503 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:01:25,504 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 [2018-01-20 22:01:25,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:01:25,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:01:25,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:01:25,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:01:25,504 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-20 22:01:25,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:25,504 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:01:25,504 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:01:25,505 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:01:25,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:01:25,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 22:01:25,599 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:25,600 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:25,600 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 22:01:25,600 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 22:01:25,600 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 22:01:25,600 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 22:01:25,600 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 22:01:25,600 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,600 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 22:01:25,600 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 22:01:25,600 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 22:01:25,600 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 22:01:25,600 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 22:01:25,600 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:25,600 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 22:01:25,600 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:25,601 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|))))) [2018-01-20 22:01:25,601 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 22:01:25,601 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 22:01:25,601 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)) [2018-01-20 22:01:25,601 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:25,601 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 22:01:25,601 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)) [2018-01-20 22:01:25,601 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 22:01:25,601 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|))))) [2018-01-20 22:01:25,601 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 22:01:25,601 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 22:01:25,601 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 22:01:25,601 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 22:01:25,602 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 22:01:25,602 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 22:01:25,602 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:25,602 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 22:01:25,602 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 22:01:25,602 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 22:01:25,602 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,602 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 22:01:25,602 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 22:01:25,602 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 22:01:25,602 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:25,602 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 22:01:25,602 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 22:01:25,602 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 22:01:25,602 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 22:01:25,602 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,602 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:25,603 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:25,603 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,603 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 22:01:25,603 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 22:01:25,603 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 22:01:25,603 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,603 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 22:01:25,603 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 22:01:25,603 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 22:01:25,603 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 22:01:25,603 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:25,603 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,603 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 22:01:25,603 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|))))) [2018-01-20 22:01:25,603 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:25,603 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 22:01:25,604 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)) [2018-01-20 22:01:25,604 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:25,604 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:25,604 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 22:01:25,604 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 22:01:25,604 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)) [2018-01-20 22:01:25,604 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 22:01:25,604 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 22:01:25,604 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 22:01:25,604 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 22:01:25,604 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:25,604 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,604 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 22:01:25,604 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,604 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,605 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 22:01:25,605 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 22:01:25,605 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:25,605 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:25,605 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,605 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 22:01:25,605 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 22:01:25,605 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:25,605 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,605 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 22:01:25,605 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 22:01:25,605 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 22:01:25,605 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,605 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 22:01:25,605 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,605 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:25,606 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:25,606 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,606 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 22:01:25,606 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 22:01:25,606 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 22:01:25,606 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 22:01:25,606 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:25,606 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:25,606 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 22:01:25,606 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 22:01:25,606 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 22:01:25,606 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 22:01:25,606 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 22:01:25,606 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 22:01:25,606 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 22:01:25,606 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 22:01:25,606 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 22:01:25,607 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 22:01:25,607 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,607 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:25,607 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 22:01:25,607 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)) [2018-01-20 22:01:25,607 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 22:01:25,607 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:25,607 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 22:01:25,607 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))))) [2018-01-20 22:01:25,607 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 22:01:25,607 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 22:01:25,607 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:25,607 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 22:01:25,607 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 22:01:25,607 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:25,607 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 22:01:25,608 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 22:01:25,608 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 22:01:25,608 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 22:01:25,608 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 22:01:25,608 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,608 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,608 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 22:01:25,608 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 22:01:25,608 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 22:01:25,608 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,608 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 22:01:25,608 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:25,608 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 22:01:25,608 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)) [2018-01-20 22:01:25,608 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:25,608 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 22:01:25,609 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)) [2018-01-20 22:01:25,609 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 22:01:25,609 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:25,609 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 22:01:25,609 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 22:01:25,609 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:25,609 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,609 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:25,609 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 22:01:25,609 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 22:01:25,609 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:25,609 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 22:01:25,609 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 22:01:25,609 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 22:01:25,609 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 22:01:25,609 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 22:01:25,610 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 22:01:25,610 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,610 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:25,610 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 22:01:25,610 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 22:01:25,610 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 22:01:25,610 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:25,610 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-20 22:01:25,610 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:25,610 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 22:01:25,610 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:25,610 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:25,610 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 22:01:25,610 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 22:01:25,610 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 22:01:25,610 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 22:01:25,610 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 22:01:25,611 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 22:01:25,611 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 22:01:25,611 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 22:01:25,611 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 22:01:25,611 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 22:01:25,611 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 22:01:25,612 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:01:25,612 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:01:25,612 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:01:25,612 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:01:25,612 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:01:25,612 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:01:25,613 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:01:25,613 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-20 22:01:25,613 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:01:25,614 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 22:01:25,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-01-20 22:01:25,614 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:25,614 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-01-20 22:01:25,614 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-20 22:01:25,615 INFO L82 PathProgramCache]: Analyzing trace with hash 327450782, now seen corresponding path program 1 times [2018-01-20 22:01:25,615 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:25,615 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:25,615 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:25,616 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:25,616 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:01:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:01:25,631 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 22:01:25,636 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:01:25,644 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:01:25,644 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:01:25,644 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:01:25,644 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:01:25,644 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:01:25,644 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:01:25,644 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:01:25,644 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l1_destroyErr0EnsuresViolation======== [2018-01-20 22:01:25,644 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:01:25,645 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 22:01:25,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-20 22:01:25,646 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:25,646 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:01:25,646 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l1_destroyErr0EnsuresViolation]=== [2018-01-20 22:01:25,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1090609839, now seen corresponding path program 1 times [2018-01-20 22:01:25,646 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:25,646 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:25,647 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:25,647 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:25,647 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:25,650 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:25,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:01:25,653 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:25,653 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:25,653 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 22:01:25,653 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 22:01:25,654 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:01:25,654 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 22:01:25,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:25,660 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 22:01:25,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 22:01:25,660 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-01-20 22:01:25,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:25,661 INFO L225 Difference]: With dead ends: 354 [2018-01-20 22:01:25,661 INFO L226 Difference]: Without dead ends: 160 [2018-01-20 22:01:25,662 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 [2018-01-20 22:01:25,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-01-20 22:01:25,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-01-20 22:01:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-01-20 22:01:25,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 175 transitions. [2018-01-20 22:01:25,668 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 175 transitions. Word has length 17 [2018-01-20 22:01:25,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:25,668 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 175 transitions. [2018-01-20 22:01:25,668 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 22:01:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 175 transitions. [2018-01-20 22:01:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-01-20 22:01:25,669 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:25,670 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] [2018-01-20 22:01:25,670 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l1_destroyErr0EnsuresViolation]=== [2018-01-20 22:01:25,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1725128242, now seen corresponding path program 1 times [2018-01-20 22:01:25,670 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:25,670 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:25,671 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:25,671 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:25,671 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:25,683 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:25,720 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:25,720 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:25,720 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 [2018-01-20 22:01:25,726 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:25,863 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:25,895 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 [2018-01-20 22:01:25,909 INFO L700 Elim1Store]: detected not equals via solver [2018-01-20 22:01:25,910 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 [2018-01-20 22:01:25,911 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-20 22:01:25,917 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. [2018-01-20 22:01:25,917 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-20 22:01:25,954 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 [2018-01-20 22:01:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-20 22:01:26,001 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:26,001 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-20 22:01:26,002 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 22:01:26,002 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 22:01:26,002 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-20 22:01:26,002 INFO L87 Difference]: Start difference. First operand 160 states and 175 transitions. Second operand 6 states. [2018-01-20 22:01:26,025 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 [2018-01-20 22:01:26,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:26,030 INFO L93 Difference]: Finished difference Result 176 states and 195 transitions. [2018-01-20 22:01:26,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-20 22:01:26,030 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 237 [2018-01-20 22:01:26,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:26,030 INFO L225 Difference]: With dead ends: 176 [2018-01-20 22:01:26,030 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:01:26,031 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 [2018-01-20 22:01:26,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:01:26,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:01:26,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:01:26,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:01:26,031 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 237 [2018-01-20 22:01:26,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:26,031 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:01:26,031 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 22:01:26,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:01:26,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:01:26,032 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:01:26,032 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:01:26,032 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:01:26,032 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:01:26,033 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:01:26,033 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:01:26,033 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:01:26,033 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-20 22:01:26,033 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:01:26,034 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 22:01:26,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-20 22:01:26,034 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:26,034 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:01:26,034 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:01:26,034 INFO L82 PathProgramCache]: Analyzing trace with hash 328719998, now seen corresponding path program 1 times [2018-01-20 22:01:26,035 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:26,035 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:26,035 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:26,035 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:26,035 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:26,038 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:26,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:01:26,043 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:26,043 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:26,043 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 22:01:26,043 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 22:01:26,043 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:01:26,044 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 22:01:26,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:26,053 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 22:01:26,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 22:01:26,053 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-01-20 22:01:26,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:26,054 INFO L225 Difference]: With dead ends: 354 [2018-01-20 22:01:26,055 INFO L226 Difference]: Without dead ends: 166 [2018-01-20 22:01:26,056 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 [2018-01-20 22:01:26,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-01-20 22:01:26,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-01-20 22:01:26,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-01-20 22:01:26,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 181 transitions. [2018-01-20 22:01:26,064 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 181 transitions. Word has length 18 [2018-01-20 22:01:26,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:26,064 INFO L432 AbstractCegarLoop]: Abstraction has 166 states and 181 transitions. [2018-01-20 22:01:26,064 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 22:01:26,065 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 181 transitions. [2018-01-20 22:01:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-01-20 22:01:26,066 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:26,067 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] [2018-01-20 22:01:26,067 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:01:26,067 INFO L82 PathProgramCache]: Analyzing trace with hash -124733529, now seen corresponding path program 1 times [2018-01-20 22:01:26,067 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:26,067 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:26,068 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:26,068 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:26,068 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:26,082 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:26,138 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:26,138 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:26,138 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 [2018-01-20 22:01:26,146 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:26,259 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:26,277 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 [2018-01-20 22:01:26,288 INFO L700 Elim1Store]: detected not equals via solver [2018-01-20 22:01:26,289 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 [2018-01-20 22:01:26,289 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-20 22:01:26,290 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. [2018-01-20 22:01:26,291 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-20 22:01:26,302 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 [2018-01-20 22:01:26,341 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-20 22:01:26,362 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:26,362 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-20 22:01:26,362 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 22:01:26,363 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 22:01:26,363 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-20 22:01:26,363 INFO L87 Difference]: Start difference. First operand 166 states and 181 transitions. Second operand 6 states. [2018-01-20 22:01:26,426 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 [2018-01-20 22:01:26,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:26,430 INFO L93 Difference]: Finished difference Result 182 states and 201 transitions. [2018-01-20 22:01:26,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-20 22:01:26,430 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 250 [2018-01-20 22:01:26,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:26,431 INFO L225 Difference]: With dead ends: 182 [2018-01-20 22:01:26,431 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:01:26,432 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 [2018-01-20 22:01:26,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:01:26,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:01:26,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:01:26,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:01:26,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2018-01-20 22:01:26,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:26,433 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:01:26,433 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 22:01:26,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:01:26,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:01:26,434 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:01:26,434 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:01:26,434 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:01:26,435 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:01:26,435 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:01:26,435 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:01:26,435 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:01:26,435 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l2_destroyErr0EnsuresViolation======== [2018-01-20 22:01:26,435 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:01:26,437 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 22:01:26,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-20 22:01:26,437 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:26,437 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] [2018-01-20 22:01:26,437 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l2_destroyErr0EnsuresViolation]=== [2018-01-20 22:01:26,438 INFO L82 PathProgramCache]: Analyzing trace with hash 757915097, now seen corresponding path program 1 times [2018-01-20 22:01:26,438 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:26,438 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:26,439 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:26,439 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:26,439 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:26,443 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:26,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:01:26,447 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:26,447 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:01:26,447 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 22:01:26,447 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 22:01:26,447 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:01:26,447 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 22:01:26,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:26,457 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 22:01:26,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 22:01:26,457 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-01-20 22:01:26,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:26,458 INFO L225 Difference]: With dead ends: 354 [2018-01-20 22:01:26,459 INFO L226 Difference]: Without dead ends: 160 [2018-01-20 22:01:26,460 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 [2018-01-20 22:01:26,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-01-20 22:01:26,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-01-20 22:01:26,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-01-20 22:01:26,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 175 transitions. [2018-01-20 22:01:26,467 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 175 transitions. Word has length 21 [2018-01-20 22:01:26,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:26,467 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 175 transitions. [2018-01-20 22:01:26,468 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 22:01:26,468 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 175 transitions. [2018-01-20 22:01:26,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-01-20 22:01:26,469 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:01:26,469 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] [2018-01-20 22:01:26,470 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l2_destroyErr0EnsuresViolation]=== [2018-01-20 22:01:26,470 INFO L82 PathProgramCache]: Analyzing trace with hash -543878062, now seen corresponding path program 1 times [2018-01-20 22:01:26,470 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:01:26,470 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:01:26,471 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:26,471 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:26,471 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:01:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:26,483 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:01:26,535 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 22:01:26,535 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:01:26,535 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 [2018-01-20 22:01:26,543 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:01:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:01:26,654 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:01:26,667 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 [2018-01-20 22:01:26,675 INFO L700 Elim1Store]: detected not equals via solver [2018-01-20 22:01:26,676 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 [2018-01-20 22:01:26,676 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-20 22:01:26,678 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. [2018-01-20 22:01:26,678 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-20 22:01:26,686 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 [2018-01-20 22:01:26,709 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-20 22:01:26,743 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:01:26,743 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-20 22:01:26,743 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 22:01:26,743 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 22:01:26,743 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-20 22:01:26,744 INFO L87 Difference]: Start difference. First operand 160 states and 175 transitions. Second operand 6 states. [2018-01-20 22:01:26,773 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 [2018-01-20 22:01:26,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:01:26,778 INFO L93 Difference]: Finished difference Result 176 states and 195 transitions. [2018-01-20 22:01:26,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-20 22:01:26,778 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 229 [2018-01-20 22:01:26,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:01:26,779 INFO L225 Difference]: With dead ends: 176 [2018-01-20 22:01:26,779 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:01:26,779 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 [2018-01-20 22:01:26,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:01:26,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:01:26,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:01:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:01:26,780 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2018-01-20 22:01:26,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:01:26,781 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:01:26,781 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 22:01:26,781 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:01:26,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:01:26,784 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[calloc_model_#t~malloc0.base,QUANTIFIED] [2018-01-20 22:01:26,786 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[calloc_model_#t~malloc0.base,QUANTIFIED] [2018-01-20 22:01:26,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 10:01:26 BoogieIcfgContainer [2018-01-20 22:01:26,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-20 22:01:26,789 INFO L168 Benchmark]: Toolchain (without parser) took 8976.19 ms. Allocated memory was 307.8 MB in the beginning and 733.0 MB in the end (delta: 425.2 MB). Free memory was 265.1 MB in the beginning and 564.5 MB in the end (delta: -299.4 MB). Peak memory consumption was 125.8 MB. Max. memory is 5.3 GB. [2018-01-20 22:01:26,791 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 307.8 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 22:01:26,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.75 ms. Allocated memory is still 307.8 MB. Free memory was 265.1 MB in the beginning and 252.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. [2018-01-20 22:01:26,792 INFO L168 Benchmark]: Boogie Preprocessor took 48.19 ms. Allocated memory is still 307.8 MB. Free memory was 252.0 MB in the beginning and 250.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-20 22:01:26,792 INFO L168 Benchmark]: RCFGBuilder took 612.48 ms. Allocated memory is still 307.8 MB. Free memory was 250.1 MB in the beginning and 207.0 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 5.3 GB. [2018-01-20 22:01:26,792 INFO L168 Benchmark]: TraceAbstraction took 8076.73 ms. Allocated memory was 307.8 MB in the beginning and 733.0 MB in the end (delta: 425.2 MB). Free memory was 207.0 MB in the beginning and 564.5 MB in the end (delta: -357.5 MB). Peak memory consumption was 67.7 MB. Max. memory is 5.3 GB. [2018-01-20 22:01:26,794 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 307.8 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 229.75 ms. Allocated memory is still 307.8 MB. Free memory was 265.1 MB in the beginning and 252.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 48.19 ms. Allocated memory is still 307.8 MB. Free memory was 252.0 MB in the beginning and 250.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 612.48 ms. Allocated memory is still 307.8 MB. Free memory was 250.1 MB in the beginning and 207.0 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 8076.73 ms. Allocated memory was 307.8 MB in the beginning and 733.0 MB in the end (delta: 425.2 MB). Free memory was 207.0 MB in the beginning and 564.5 MB in the end (delta: -357.5 MB). Peak memory consumption was 67.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation 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, 1.5s 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, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s 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, 0.6s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s 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, 0.5s 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, 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, 0.0s 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, 0.5s 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, 0.1s 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, 0.1s 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, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 285 SDtfs, 45 SDslu, 3 SDs, 0 SdLazy, 25 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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, 0.5s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s 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, 0.1s 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, 0.2s 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, 0.6s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 285 SDtfs, 56 SDslu, 3 SDs, 0 SdLazy, 25 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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, 0.0s 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)=5, \old(list)=7, list={7:5}] [L876] FCALL static struct L0 *list; VAL [\old(list)=7, \old(list)=5, 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, 0.3s 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, 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, 0.1s 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 [2018-01-20 22:01:26,803 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[calloc_model_#t~malloc0.base,QUANTIFIED] [2018-01-20 22:01:26,803 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-0-2018-01-20_22-01-26-809.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-0-2018-01-20_22-01-26-809.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-1-2018-01-20_22-01-26-809.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-2-2018-01-20_22-01-26-809.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-3-2018-01-20_22-01-26-809.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-4-2018-01-20_22-01-26-809.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-5-2018-01-20_22-01-26-809.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-6-2018-01-20_22-01-26-809.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-7-2018-01-20_22-01-26-809.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-8-2018-01-20_22-01-26-809.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-9-2018-01-20_22-01-26-809.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-10-2018-01-20_22-01-26-809.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-11-2018-01-20_22-01-26-809.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-12-2018-01-20_22-01-26-809.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-13-2018-01-20_22-01-26-809.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-14-2018-01-20_22-01-26-809.csv Received shutdown request...