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-0234_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 14:25:31,892 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 14:25:31,893 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 14:25:31,909 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 14:25:31,910 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 14:25:31,911 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 14:25:31,912 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 14:25:31,914 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 14:25:31,916 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 14:25:31,917 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 14:25:31,918 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 14:25:31,918 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 14:25:31,919 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 14:25:31,921 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 14:25:31,922 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 14:25:31,925 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 14:25:31,927 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 14:25:31,929 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 14:25:31,931 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 14:25:31,932 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 14:25:31,935 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-23 14:25:31,935 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-23 14:25:31,935 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-23 14:25:31,936 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-23 14:25:31,937 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-23 14:25:31,938 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-23 14:25:31,939 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-23 14:25:31,939 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-23 14:25:31,940 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-23 14:25:31,940 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 14:25:31,941 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 14:25:31,941 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf [2018-01-23 14:25:31,951 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 14:25:31,951 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 14:25:31,952 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 14:25:31,952 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 14:25:31,952 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 14:25:31,952 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 14:25:31,952 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 14:25:31,953 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 14:25:31,953 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 14:25:31,953 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 14:25:31,953 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 14:25:31,953 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 14:25:31,953 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 14:25:31,954 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 14:25:31,954 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 14:25:31,954 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 14:25:31,954 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 14:25:31,954 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 14:25:31,954 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 14:25:31,954 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 14:25:31,955 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 14:25:31,955 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 14:25:31,955 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 14:25:31,955 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 14:25:31,955 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 14:25:31,956 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 14:25:31,956 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 14:25:31,956 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 14:25:31,956 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 14:25:31,956 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 14:25:31,956 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 14:25:31,956 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 14:25:31,956 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 14:25:31,957 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 14:25:31,957 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 14:25:31,957 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 14:25:31,958 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 14:25:31,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 14:25:32,002 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 14:25:32,005 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 14:25:32,006 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 14:25:32,006 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 14:25:32,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0234_false-valid-memtrack.i [2018-01-23 14:25:32,175 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 14:25:32,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 14:25:32,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 14:25:32,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 14:25:32,187 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 14:25:32,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:25:32" (1/1) ... [2018-01-23 14:25:32,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b942210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32, skipping insertion in model container [2018-01-23 14:25:32,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:25:32" (1/1) ... [2018-01-23 14:25:32,203 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:25:32,246 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:25:32,373 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:25:32,395 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:25:32,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32 WrapperNode [2018-01-23 14:25:32,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 14:25:32,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 14:25:32,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 14:25:32,405 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 14:25:32,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (1/1) ... [2018-01-23 14:25:32,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (1/1) ... [2018-01-23 14:25:32,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (1/1) ... [2018-01-23 14:25:32,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (1/1) ... [2018-01-23 14:25:32,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (1/1) ... [2018-01-23 14:25:32,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (1/1) ... [2018-01-23 14:25:32,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (1/1) ... [2018-01-23 14:25:32,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 14:25:32,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 14:25:32,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 14:25:32,473 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 14:25:32,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 14:25:32,525 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 14:25:32,525 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 14:25:32,525 INFO L136 BoogieDeclarations]: Found implementation of procedure calloc_model [2018-01-23 14:25:32,525 INFO L136 BoogieDeclarations]: Found implementation of procedure zalloc_or_die [2018-01-23 14:25:32,525 INFO L136 BoogieDeclarations]: Found implementation of procedure l4_insert [2018-01-23 14:25:32,525 INFO L136 BoogieDeclarations]: Found implementation of procedure l3_insert [2018-01-23 14:25:32,525 INFO L136 BoogieDeclarations]: Found implementation of procedure l2_insert [2018-01-23 14:25:32,525 INFO L136 BoogieDeclarations]: Found implementation of procedure l1_insert [2018-01-23 14:25:32,525 INFO L136 BoogieDeclarations]: Found implementation of procedure l0_insert [2018-01-23 14:25:32,526 INFO L136 BoogieDeclarations]: Found implementation of procedure l4_destroy [2018-01-23 14:25:32,526 INFO L136 BoogieDeclarations]: Found implementation of procedure l3_destroy [2018-01-23 14:25:32,526 INFO L136 BoogieDeclarations]: Found implementation of procedure l2_destroy [2018-01-23 14:25:32,526 INFO L136 BoogieDeclarations]: Found implementation of procedure l1_destroy [2018-01-23 14:25:32,526 INFO L136 BoogieDeclarations]: Found implementation of procedure l0_destroy [2018-01-23 14:25:32,526 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 14:25:32,526 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-23 14:25:32,526 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-23 14:25:32,526 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 14:25:32,526 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 14:25:32,527 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 14:25:32,527 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-01-23 14:25:32,527 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-01-23 14:25:32,527 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-23 14:25:32,527 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-23 14:25:32,527 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-23 14:25:32,527 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-01-23 14:25:32,527 INFO L128 BoogieDeclarations]: Found specification of procedure calloc_model [2018-01-23 14:25:32,527 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 14:25:32,528 INFO L128 BoogieDeclarations]: Found specification of procedure zalloc_or_die [2018-01-23 14:25:32,528 INFO L128 BoogieDeclarations]: Found specification of procedure l4_insert [2018-01-23 14:25:32,528 INFO L128 BoogieDeclarations]: Found specification of procedure l3_insert [2018-01-23 14:25:32,528 INFO L128 BoogieDeclarations]: Found specification of procedure l2_insert [2018-01-23 14:25:32,528 INFO L128 BoogieDeclarations]: Found specification of procedure l1_insert [2018-01-23 14:25:32,528 INFO L128 BoogieDeclarations]: Found specification of procedure l0_insert [2018-01-23 14:25:32,528 INFO L128 BoogieDeclarations]: Found specification of procedure l4_destroy [2018-01-23 14:25:32,528 INFO L128 BoogieDeclarations]: Found specification of procedure l3_destroy [2018-01-23 14:25:32,528 INFO L128 BoogieDeclarations]: Found specification of procedure l2_destroy [2018-01-23 14:25:32,528 INFO L128 BoogieDeclarations]: Found specification of procedure l1_destroy [2018-01-23 14:25:32,528 INFO L128 BoogieDeclarations]: Found specification of procedure l0_destroy [2018-01-23 14:25:32,529 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 14:25:32,529 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 14:25:32,529 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 14:25:33,016 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 14:25:33,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:25:33 BoogieIcfgContainer [2018-01-23 14:25:33,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 14:25:33,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-23 14:25:33,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-23 14:25:33,020 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-23 14:25:33,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 02:25:32" (1/3) ... [2018-01-23 14:25:33,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61bb635d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:25:33, skipping insertion in model container [2018-01-23 14:25:33,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (2/3) ... [2018-01-23 14:25:33,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61bb635d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:25:33, skipping insertion in model container [2018-01-23 14:25:33,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:25:33" (3/3) ... [2018-01-23 14:25:33,023 INFO L105 eAbstractionObserver]: Analyzing ICFG test-0234_false-valid-memtrack.i [2018-01-23 14:25:33,030 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-23 14:25:33,037 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-01-23 14:25:33,078 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:33,078 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:33,078 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:33,078 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:33,079 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:33,079 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:33,079 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:33,079 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l3_destroyErr0EnsuresViolation======== [2018-01-23 14:25:33,080 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:33,099 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-01-23 14:25:33,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-23 14:25:33,107 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:33,108 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:25:33,108 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l3_destroyErr0EnsuresViolation]=== [2018-01-23 14:25:33,111 INFO L82 PathProgramCache]: Analyzing trace with hash -462352159, now seen corresponding path program 1 times [2018-01-23 14:25:33,113 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:33,113 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:33,156 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:33,156 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:33,156 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:33,208 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:33,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:25:33,250 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:33,251 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:33,252 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:25:33,263 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:25:33,264 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:33,266 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2018-01-23 14:25:33,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:33,404 INFO L93 Difference]: Finished difference Result 334 states and 402 transitions. [2018-01-23 14:25:33,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:25:33,406 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-01-23 14:25:33,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:33,419 INFO L225 Difference]: With dead ends: 334 [2018-01-23 14:25:33,420 INFO L226 Difference]: Without dead ends: 150 [2018-01-23 14:25:33,426 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:33,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-01-23 14:25:33,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-01-23 14:25:33,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-01-23 14:25:33,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 165 transitions. [2018-01-23 14:25:33,484 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 165 transitions. Word has length 25 [2018-01-23 14:25:33,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:33,485 INFO L432 AbstractCegarLoop]: Abstraction has 150 states and 165 transitions. [2018-01-23 14:25:33,485 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:25:33,485 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 165 transitions. [2018-01-23 14:25:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-01-23 14:25:33,491 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:33,492 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] [2018-01-23 14:25:33,492 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l3_destroyErr0EnsuresViolation]=== [2018-01-23 14:25:33,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1712601065, now seen corresponding path program 1 times [2018-01-23 14:25:33,492 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:33,492 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:33,494 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:33,494 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:33,494 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:33,544 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:33,705 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:33,706 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:33,706 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) [2018-01-23 14:25:33,720 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:33,948 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:34,000 WARN L1029 $PredicateComparison]: unable to prove that (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1)))) is different from true [2018-01-23 14:25:34,018 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:25:34,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 13 [2018-01-23 14:25:34,029 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:25:34,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:25:34,032 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-23 14:25:34,054 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((v_prenex_1 Int)) (and (= |c_#valid| (store |c_old(#valid)| v_prenex_1 1)) (<= (select |c_old(#valid)| v_prenex_1) 0)))) is different from true [2018-01-23 14:25:34,134 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-23 14:25:34,170 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:34,170 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:25:34,172 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:25:34,172 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:25:34,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-23 14:25:34,172 INFO L87 Difference]: Start difference. First operand 150 states and 165 transitions. Second operand 6 states. [2018-01-23 14:25:34,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:34,290 INFO L93 Difference]: Finished difference Result 166 states and 185 transitions. [2018-01-23 14:25:34,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-23 14:25:34,291 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 211 [2018-01-23 14:25:34,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:34,291 INFO L225 Difference]: With dead ends: 166 [2018-01-23 14:25:34,291 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:25:34,294 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=20, Unknown=2, NotChecked=18, Total=56 [2018-01-23 14:25:34,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:25:34,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:25:34,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:25:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:25:34,295 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 211 [2018-01-23 14:25:34,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:34,295 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:25:34,295 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:25:34,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:25:34,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:25:34,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:25:34,564 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:34,565 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:25:34,565 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:25:34,565 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:25:34,565 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:25:34,565 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:25:34,566 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-23 14:25:34,566 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:34,566 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:34,566 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:34,566 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:25:34,566 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:25:34,567 INFO L404 ceAbstractionStarter]: At program point L827'(line 827) the Hoare annotation is: true [2018-01-23 14:25:34,567 INFO L397 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) [2018-01-23 14:25:34,567 INFO L397 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) [2018-01-23 14:25:34,567 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:34,567 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:25:34,567 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:25:34,568 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:34,568 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:25:34,568 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-23 14:25:34,568 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:34,569 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 806 814) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (= |#valid| |old(#valid)|)) [2018-01-23 14:25:34,569 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:34,569 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:34,569 INFO L397 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (= |#valid| |old(#valid)|)) [2018-01-23 14:25:34,569 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-23 14:25:34,569 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:25:34,569 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:25:34,570 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:25:34,570 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:25:34,570 INFO L401 ceAbstractionStarter]: For program point L817'''(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:34,570 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:34,570 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:34,570 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 815 823) the Hoare annotation is: true [2018-01-23 14:25:34,571 INFO L404 ceAbstractionStarter]: At program point L817''(lines 817 822) the Hoare annotation is: true [2018-01-23 14:25:34,571 INFO L401 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-01-23 14:25:34,571 INFO L401 ceAbstractionStarter]: For program point L817(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:34,571 INFO L401 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2018-01-23 14:25:34,571 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:25:34,571 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-23 14:25:34,572 INFO L401 ceAbstractionStarter]: For program point L791(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:34,572 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-23 14:25:34,572 INFO L401 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-01-23 14:25:34,572 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-23 14:25:34,572 INFO L404 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: true [2018-01-23 14:25:34,572 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:34,572 INFO L401 ceAbstractionStarter]: For program point L794'(line 794) no Hoare annotation was computed. [2018-01-23 14:25:34,572 INFO L401 ceAbstractionStarter]: For program point L791'''(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:34,573 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:25:34,573 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-23 14:25:34,573 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 788 796) the Hoare annotation is: true [2018-01-23 14:25:34,573 INFO L404 ceAbstractionStarter]: At program point L791''(lines 791 793) the Hoare annotation is: true [2018-01-23 14:25:34,573 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:34,573 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:34,573 INFO L401 ceAbstractionStarter]: For program point L867'''(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:34,574 INFO L397 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) [2018-01-23 14:25:34,574 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:34,574 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-23 14:25:34,574 INFO L397 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (= |#valid| |old(#valid)|)) [2018-01-23 14:25:34,574 INFO L401 ceAbstractionStarter]: For program point L867(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:34,574 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:34,574 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:25:34,575 INFO L397 ceAbstractionStarter]: At program point L867''(lines 867 869) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (= |#valid| |old(#valid)|)) [2018-01-23 14:25:34,575 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:34,575 INFO L401 ceAbstractionStarter]: For program point L782'''(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:34,575 INFO L404 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: true [2018-01-23 14:25:34,575 INFO L401 ceAbstractionStarter]: For program point L782(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:34,575 INFO L404 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: true [2018-01-23 14:25:34,575 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-23 14:25:34,576 INFO L401 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-01-23 14:25:34,576 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:25:34,576 INFO L401 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2018-01-23 14:25:34,576 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 779 787) the Hoare annotation is: true [2018-01-23 14:25:34,576 INFO L404 ceAbstractionStarter]: At program point L782''(lines 782 784) the Hoare annotation is: true [2018-01-23 14:25:34,576 INFO L401 ceAbstractionStarter]: For program point L785'(line 785) no Hoare annotation was computed. [2018-01-23 14:25:34,576 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:34,576 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:34,577 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:34,577 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:34,577 INFO L404 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-01-23 14:25:34,577 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:25:34,577 INFO L404 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: true [2018-01-23 14:25:34,577 INFO L401 ceAbstractionStarter]: For program point L800(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:34,577 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-23 14:25:34,578 INFO L401 ceAbstractionStarter]: For program point L801'(line 801) no Hoare annotation was computed. [2018-01-23 14:25:34,578 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-23 14:25:34,578 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 797 805) the Hoare annotation is: true [2018-01-23 14:25:34,578 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:25:34,578 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:34,578 INFO L404 ceAbstractionStarter]: At program point L800''(lines 800 802) the Hoare annotation is: true [2018-01-23 14:25:34,578 INFO L401 ceAbstractionStarter]: For program point L800'''(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:34,578 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:34,578 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:34,579 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:25:34,579 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:34,579 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:25:34,579 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:34,579 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:25:34,579 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:25:34,579 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:25:34,579 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:25:34,580 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:25:34,580 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:34,580 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-23 14:25:34,580 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:25:34,580 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:34,580 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:25:34,580 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (= |#valid| |old(#valid)|)) [2018-01-23 14:25:34,581 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:25:34,581 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:34,581 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:34,581 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:25:34,581 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:25:34,581 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:34,581 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:34,581 INFO L401 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2018-01-23 14:25:34,582 INFO L401 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-01-23 14:25:34,582 INFO L404 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-01-23 14:25:34,582 INFO L404 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: true [2018-01-23 14:25:34,582 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:34,582 INFO L401 ceAbstractionStarter]: For program point L776'(line 776) no Hoare annotation was computed. [2018-01-23 14:25:34,582 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 772 778) the Hoare annotation is: true [2018-01-23 14:25:34,583 INFO L401 ceAbstractionStarter]: For program point L775'(line 775) no Hoare annotation was computed. [2018-01-23 14:25:34,583 INFO L401 ceAbstractionStarter]: For program point L774'(line 774) no Hoare annotation was computed. [2018-01-23 14:25:34,583 INFO L401 ceAbstractionStarter]: For program point L775''(line 775) no Hoare annotation was computed. [2018-01-23 14:25:34,583 INFO L401 ceAbstractionStarter]: For program point L776''(line 776) no Hoare annotation was computed. [2018-01-23 14:25:34,583 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:34,583 INFO L401 ceAbstractionStarter]: For program point L767'(line 767) no Hoare annotation was computed. [2018-01-23 14:25:34,583 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:34,583 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 765 771) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (= |#valid| |old(#valid)|)) [2018-01-23 14:25:34,584 INFO L401 ceAbstractionStarter]: For program point L768(lines 768 769) no Hoare annotation was computed. [2018-01-23 14:25:34,584 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:34,584 INFO L397 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (= |#valid| |old(#valid)|)) [2018-01-23 14:25:34,584 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:34,584 INFO L401 ceAbstractionStarter]: For program point L866'(line 866) no Hoare annotation was computed. [2018-01-23 14:25:34,584 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:34,584 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 871) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:34,585 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:34,585 INFO L401 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2018-01-23 14:25:34,585 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:34,585 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:25:34,585 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:34,585 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:25:34,585 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:25:34,585 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:25:34,586 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:25:34,586 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:25:34,586 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-23 14:25:34,586 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:34,586 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:25:34,586 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:25:34,586 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:34,586 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 871) the Hoare annotation is: true [2018-01-23 14:25:34,587 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:34,587 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 871) the Hoare annotation is: (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |#valid| |calloc_model_#t~malloc0.base|) 1)) [2018-01-23 14:25:34,587 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:34,587 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:34,587 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:34,587 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:34,587 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:34,587 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:25:34,588 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:25:34,588 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:25:34,588 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:25:34,588 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:25:34,588 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-23 14:25:34,588 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:34,588 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:25:34,588 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:25:34,588 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:25:34,593 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:34,594 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:34,594 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:34,594 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:34,594 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:34,594 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:34,594 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:34,594 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l0_insertErr0EnsuresViolation======== [2018-01-23 14:25:34,594 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:34,598 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-01-23 14:25:34,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-01-23 14:25:34,600 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:34,600 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:25:34,600 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l0_insertErr0EnsuresViolation]=== [2018-01-23 14:25:34,600 INFO L82 PathProgramCache]: Analyzing trace with hash -312164600, now seen corresponding path program 1 times [2018-01-23 14:25:34,600 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:34,601 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:34,602 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:34,602 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:34,602 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:34,616 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:34,640 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:34,641 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:34,641 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:34,652 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:34,688 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:34,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:25:34,727 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:34,727 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:34,727 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:25:34,728 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:25:34,728 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:34,728 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2018-01-23 14:25:34,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:34,747 INFO L93 Difference]: Finished difference Result 334 states and 402 transitions. [2018-01-23 14:25:34,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:25:34,747 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 35 [2018-01-23 14:25:34,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:34,749 INFO L225 Difference]: With dead ends: 334 [2018-01-23 14:25:34,749 INFO L226 Difference]: Without dead ends: 93 [2018-01-23 14:25:34,751 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:34,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-01-23 14:25:34,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-01-23 14:25:34,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-01-23 14:25:34,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions. [2018-01-23 14:25:34,761 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 35 [2018-01-23 14:25:34,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:34,763 INFO L432 AbstractCegarLoop]: Abstraction has 93 states and 103 transitions. [2018-01-23 14:25:34,763 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:25:34,764 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2018-01-23 14:25:34,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-01-23 14:25:34,767 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:34,767 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] [2018-01-23 14:25:34,767 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l0_insertErr0EnsuresViolation]=== [2018-01-23 14:25:34,767 INFO L82 PathProgramCache]: Analyzing trace with hash -311781063, now seen corresponding path program 1 times [2018-01-23 14:25:34,767 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:34,767 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:34,768 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:34,768 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:34,768 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:34,788 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:34,866 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:34,866 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:34,866 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:34,879 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:35,029 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:35,079 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2018-01-23 14:25:35,098 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:35,099 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:35,099 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:25:35,099 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:25:35,099 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:25:35,100 INFO L87 Difference]: Start difference. First operand 93 states and 103 transitions. Second operand 3 states. [2018-01-23 14:25:35,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:35,140 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2018-01-23 14:25:35,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:25:35,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2018-01-23 14:25:35,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:35,142 INFO L225 Difference]: With dead ends: 93 [2018-01-23 14:25:35,142 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:25:35,142 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:25:35,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:25:35,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:25:35,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:25:35,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:25:35,143 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2018-01-23 14:25:35,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:35,143 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:25:35,143 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:25:35,143 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:25:35,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:25:35,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:25:35,263 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:35,263 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:25:35,263 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:25:35,263 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:25:35,264 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:25:35,264 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:25:35,264 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-23 14:25:35,264 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:35,264 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:35,264 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:35,264 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:25:35,264 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:25:35,264 INFO L404 ceAbstractionStarter]: At program point L827'(line 827) the Hoare annotation is: true [2018-01-23 14:25:35,264 INFO L397 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:35,264 INFO L397 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:35,264 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:35,265 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:25:35,265 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:25:35,265 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:35,265 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:25:35,265 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-23 14:25:35,265 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:35,265 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 806 814) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:35,265 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:35,265 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:35,265 INFO L397 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:35,265 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-23 14:25:35,265 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:25:35,265 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:25:35,266 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:25:35,266 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:25:35,266 INFO L401 ceAbstractionStarter]: For program point L817'''(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:35,266 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:35,266 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:35,266 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 815 823) the Hoare annotation is: true [2018-01-23 14:25:35,266 INFO L404 ceAbstractionStarter]: At program point L817''(lines 817 822) the Hoare annotation is: true [2018-01-23 14:25:35,266 INFO L401 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-01-23 14:25:35,266 INFO L401 ceAbstractionStarter]: For program point L817(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:35,266 INFO L401 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2018-01-23 14:25:35,266 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:25:35,266 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-23 14:25:35,266 INFO L401 ceAbstractionStarter]: For program point L791(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:35,266 INFO L397 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,266 INFO L401 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-01-23 14:25:35,267 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-23 14:25:35,267 INFO L397 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,267 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:35,267 INFO L401 ceAbstractionStarter]: For program point L794'(line 794) no Hoare annotation was computed. [2018-01-23 14:25:35,267 INFO L401 ceAbstractionStarter]: For program point L791'''(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:35,267 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:25:35,267 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-23 14:25:35,267 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 788 796) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,267 INFO L397 ceAbstractionStarter]: At program point L791''(lines 791 793) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,267 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:35,267 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:35,267 INFO L401 ceAbstractionStarter]: For program point L867'''(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:35,267 INFO L397 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) [2018-01-23 14:25:35,267 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:35,268 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-23 14:25:35,268 INFO L397 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:35,268 INFO L401 ceAbstractionStarter]: For program point L867(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:35,268 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:35,268 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:25:35,268 INFO L397 ceAbstractionStarter]: At program point L867''(lines 867 869) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:35,268 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:35,268 INFO L401 ceAbstractionStarter]: For program point L782'''(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:35,268 INFO L397 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,268 INFO L401 ceAbstractionStarter]: For program point L782(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:35,268 INFO L397 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,268 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-23 14:25:35,268 INFO L401 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-01-23 14:25:35,269 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:25:35,269 INFO L401 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2018-01-23 14:25:35,269 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 779 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,269 INFO L397 ceAbstractionStarter]: At program point L782''(lines 782 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,269 INFO L401 ceAbstractionStarter]: For program point L785'(line 785) no Hoare annotation was computed. [2018-01-23 14:25:35,269 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:35,269 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:35,269 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:35,269 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:35,269 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,270 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:25:35,270 INFO L397 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,270 INFO L401 ceAbstractionStarter]: For program point L800(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:35,270 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-23 14:25:35,270 INFO L401 ceAbstractionStarter]: For program point L801'(line 801) no Hoare annotation was computed. [2018-01-23 14:25:35,270 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-23 14:25:35,270 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 797 805) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,270 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:25:35,271 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:35,271 INFO L397 ceAbstractionStarter]: At program point L800''(lines 800 802) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,271 INFO L401 ceAbstractionStarter]: For program point L800'''(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:35,271 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:35,271 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:35,271 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:25:35,271 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:35,271 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:25:35,271 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:35,272 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:25:35,272 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:25:35,272 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:25:35,272 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:25:35,272 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:25:35,272 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:35,272 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-23 14:25:35,272 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:25:35,273 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:35,273 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:25:35,273 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:35,273 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:25:35,273 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:35,273 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:35,273 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:25:35,273 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:25:35,273 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:35,273 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:35,273 INFO L401 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2018-01-23 14:25:35,274 INFO L401 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-01-23 14:25:35,274 INFO L397 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,274 INFO L397 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,274 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:35,274 INFO L401 ceAbstractionStarter]: For program point L776'(line 776) no Hoare annotation was computed. [2018-01-23 14:25:35,274 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 772 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,274 INFO L401 ceAbstractionStarter]: For program point L775'(line 775) no Hoare annotation was computed. [2018-01-23 14:25:35,274 INFO L401 ceAbstractionStarter]: For program point L774'(line 774) no Hoare annotation was computed. [2018-01-23 14:25:35,274 INFO L401 ceAbstractionStarter]: For program point L775''(line 775) no Hoare annotation was computed. [2018-01-23 14:25:35,274 INFO L401 ceAbstractionStarter]: For program point L776''(line 776) no Hoare annotation was computed. [2018-01-23 14:25:35,274 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:35,274 INFO L401 ceAbstractionStarter]: For program point L767'(line 767) no Hoare annotation was computed. [2018-01-23 14:25:35,274 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:35,274 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 765 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:35,275 INFO L401 ceAbstractionStarter]: For program point L768(lines 768 769) no Hoare annotation was computed. [2018-01-23 14:25:35,275 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:35,275 INFO L397 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:35,275 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:35,275 INFO L401 ceAbstractionStarter]: For program point L866'(line 866) no Hoare annotation was computed. [2018-01-23 14:25:35,275 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:35,275 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 871) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,275 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:35,275 INFO L401 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2018-01-23 14:25:35,275 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:35,275 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:25:35,275 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:35,275 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:25:35,276 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:25:35,276 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:25:35,276 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:25:35,276 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:25:35,276 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-23 14:25:35,276 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:35,276 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:25:35,276 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:25:35,276 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:35,276 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 871) the Hoare annotation is: true [2018-01-23 14:25:35,276 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:35,276 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 871) the Hoare annotation is: (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |#valid| |calloc_model_#t~malloc0.base|) 1)) [2018-01-23 14:25:35,276 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:35,276 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:35,276 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:35,277 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:35,277 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:35,277 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:25:35,277 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:25:35,277 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:25:35,277 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:25:35,277 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:25:35,277 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-23 14:25:35,277 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:35,277 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:25:35,277 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:25:35,277 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:25:35,279 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:35,279 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:35,279 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:35,279 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:35,279 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:35,279 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:35,279 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:35,280 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l4_destroyErr0EnsuresViolation======== [2018-01-23 14:25:35,280 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:35,281 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-01-23 14:25:35,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-23 14:25:35,282 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:35,283 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:25:35,283 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l4_destroyErr0EnsuresViolation]=== [2018-01-23 14:25:35,283 INFO L82 PathProgramCache]: Analyzing trace with hash 398423977, now seen corresponding path program 1 times [2018-01-23 14:25:35,283 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:35,283 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:35,284 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:35,284 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:35,284 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:35,289 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:35,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:25:35,297 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:35,298 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:35,298 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:25:35,298 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:25:35,298 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:35,298 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2018-01-23 14:25:35,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:35,308 INFO L93 Difference]: Finished difference Result 334 states and 402 transitions. [2018-01-23 14:25:35,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:25:35,309 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2018-01-23 14:25:35,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:35,310 INFO L225 Difference]: With dead ends: 334 [2018-01-23 14:25:35,310 INFO L226 Difference]: Without dead ends: 150 [2018-01-23 14:25:35,311 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:35,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-01-23 14:25:35,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-01-23 14:25:35,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-01-23 14:25:35,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 165 transitions. [2018-01-23 14:25:35,323 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 165 transitions. Word has length 29 [2018-01-23 14:25:35,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:35,323 INFO L432 AbstractCegarLoop]: Abstraction has 150 states and 165 transitions. [2018-01-23 14:25:35,323 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:25:35,323 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 165 transitions. [2018-01-23 14:25:35,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-01-23 14:25:35,326 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:35,327 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] [2018-01-23 14:25:35,327 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l4_destroyErr0EnsuresViolation]=== [2018-01-23 14:25:35,327 INFO L82 PathProgramCache]: Analyzing trace with hash -335374311, now seen corresponding path program 1 times [2018-01-23 14:25:35,327 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:35,327 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:35,328 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:35,328 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:35,328 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:35,347 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:35,417 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:35,418 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:35,418 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:35,431 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:35,605 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:35,621 WARN L1029 $PredicateComparison]: unable to prove that (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1)))) is different from true [2018-01-23 14:25:35,627 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:25:35,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 13 [2018-01-23 14:25:35,629 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:25:35,631 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:25:35,631 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-23 14:25:35,649 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((v_prenex_2 Int)) (and (= |c_#valid| (store |c_old(#valid)| v_prenex_2 1)) (<= (select |c_old(#valid)| v_prenex_2) 0)))) is different from true [2018-01-23 14:25:35,680 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-23 14:25:35,702 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:35,702 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:25:35,702 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:25:35,703 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:25:35,703 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-23 14:25:35,703 INFO L87 Difference]: Start difference. First operand 150 states and 165 transitions. Second operand 6 states. [2018-01-23 14:25:35,769 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1))))) is different from true [2018-01-23 14:25:35,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:35,776 INFO L93 Difference]: Finished difference Result 166 states and 185 transitions. [2018-01-23 14:25:35,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:25:35,777 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 203 [2018-01-23 14:25:35,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:35,777 INFO L225 Difference]: With dead ends: 166 [2018-01-23 14:25:35,777 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:25:35,778 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=14, Unknown=3, NotChecked=24, Total=56 [2018-01-23 14:25:35,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:25:35,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:25:35,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:25:35,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:25:35,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 203 [2018-01-23 14:25:35,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:35,779 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:25:35,779 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:25:35,779 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:25:35,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:25:35,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:25:35,921 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:35,921 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:25:35,922 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:25:35,922 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:25:35,922 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:25:35,922 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:25:35,922 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-23 14:25:35,922 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:35,922 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:35,922 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:35,922 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:25:35,922 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:25:35,922 INFO L404 ceAbstractionStarter]: At program point L827'(line 827) the Hoare annotation is: true [2018-01-23 14:25:35,922 INFO L397 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:35,922 INFO L397 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:35,923 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:35,923 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:25:35,923 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:25:35,923 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:35,923 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:25:35,923 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-23 14:25:35,923 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:35,923 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 806 814) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:35,923 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:35,923 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:35,923 INFO L397 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:35,923 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-23 14:25:35,924 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:25:35,924 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:25:35,924 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:25:35,924 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:25:35,924 INFO L401 ceAbstractionStarter]: For program point L817'''(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:35,924 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:35,924 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:35,924 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 815 823) the Hoare annotation is: true [2018-01-23 14:25:35,924 INFO L404 ceAbstractionStarter]: At program point L817''(lines 817 822) the Hoare annotation is: true [2018-01-23 14:25:35,924 INFO L401 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-01-23 14:25:35,925 INFO L401 ceAbstractionStarter]: For program point L817(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:35,925 INFO L401 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2018-01-23 14:25:35,925 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:25:35,925 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-23 14:25:35,925 INFO L401 ceAbstractionStarter]: For program point L791(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:35,925 INFO L397 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,925 INFO L401 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-01-23 14:25:35,925 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-23 14:25:35,925 INFO L397 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,926 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:35,926 INFO L401 ceAbstractionStarter]: For program point L794'(line 794) no Hoare annotation was computed. [2018-01-23 14:25:35,926 INFO L401 ceAbstractionStarter]: For program point L791'''(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:35,926 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:25:35,926 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-23 14:25:35,926 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 788 796) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,926 INFO L397 ceAbstractionStarter]: At program point L791''(lines 791 793) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,926 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:35,926 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:35,927 INFO L401 ceAbstractionStarter]: For program point L867'''(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:35,927 INFO L397 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) [2018-01-23 14:25:35,927 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:35,927 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-23 14:25:35,927 INFO L397 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:35,927 INFO L401 ceAbstractionStarter]: For program point L867(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:35,927 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:35,927 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:25:35,928 INFO L397 ceAbstractionStarter]: At program point L867''(lines 867 869) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:35,928 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:35,928 INFO L401 ceAbstractionStarter]: For program point L782'''(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:35,928 INFO L397 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,928 INFO L401 ceAbstractionStarter]: For program point L782(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:35,928 INFO L397 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,928 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-23 14:25:35,928 INFO L401 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-01-23 14:25:35,928 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:25:35,929 INFO L401 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2018-01-23 14:25:35,929 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 779 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,929 INFO L397 ceAbstractionStarter]: At program point L782''(lines 782 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,929 INFO L401 ceAbstractionStarter]: For program point L785'(line 785) no Hoare annotation was computed. [2018-01-23 14:25:35,929 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:35,929 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:35,929 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:35,929 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:35,929 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,929 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:25:35,930 INFO L397 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,930 INFO L401 ceAbstractionStarter]: For program point L800(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:35,930 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-23 14:25:35,930 INFO L401 ceAbstractionStarter]: For program point L801'(line 801) no Hoare annotation was computed. [2018-01-23 14:25:35,930 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-23 14:25:35,930 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 797 805) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,930 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:25:35,930 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:35,930 INFO L397 ceAbstractionStarter]: At program point L800''(lines 800 802) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,931 INFO L401 ceAbstractionStarter]: For program point L800'''(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:35,931 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:35,931 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:35,931 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:25:35,931 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:35,931 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:25:35,931 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:35,931 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:25:35,931 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:25:35,931 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:25:35,932 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:25:35,932 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:25:35,932 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:35,932 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-23 14:25:35,932 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:25:35,932 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:35,932 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:25:35,932 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:35,933 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:25:35,933 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:35,933 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:35,933 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:25:35,933 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:25:35,933 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:35,933 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:35,933 INFO L401 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2018-01-23 14:25:35,933 INFO L401 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-01-23 14:25:35,934 INFO L397 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,934 INFO L397 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,934 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:35,934 INFO L401 ceAbstractionStarter]: For program point L776'(line 776) no Hoare annotation was computed. [2018-01-23 14:25:35,934 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 772 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,934 INFO L401 ceAbstractionStarter]: For program point L775'(line 775) no Hoare annotation was computed. [2018-01-23 14:25:35,934 INFO L401 ceAbstractionStarter]: For program point L774'(line 774) no Hoare annotation was computed. [2018-01-23 14:25:35,934 INFO L401 ceAbstractionStarter]: For program point L775''(line 775) no Hoare annotation was computed. [2018-01-23 14:25:35,934 INFO L401 ceAbstractionStarter]: For program point L776''(line 776) no Hoare annotation was computed. [2018-01-23 14:25:35,934 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:35,935 INFO L401 ceAbstractionStarter]: For program point L767'(line 767) no Hoare annotation was computed. [2018-01-23 14:25:35,935 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:35,935 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 765 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:35,935 INFO L401 ceAbstractionStarter]: For program point L768(lines 768 769) no Hoare annotation was computed. [2018-01-23 14:25:35,935 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:35,935 INFO L397 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:35,935 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:35,935 INFO L401 ceAbstractionStarter]: For program point L866'(line 866) no Hoare annotation was computed. [2018-01-23 14:25:35,936 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:35,936 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 871) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:35,936 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:35,936 INFO L401 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2018-01-23 14:25:35,936 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:35,936 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:25:35,936 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:35,936 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:25:35,936 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:25:35,937 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:25:35,937 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:25:35,937 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:25:35,937 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-23 14:25:35,937 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:35,937 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:25:35,937 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:25:35,937 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:35,937 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 871) the Hoare annotation is: true [2018-01-23 14:25:35,937 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:35,938 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 871) the Hoare annotation is: (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |#valid| |calloc_model_#t~malloc0.base|) 1)) [2018-01-23 14:25:35,938 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:35,938 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:35,938 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:35,938 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:35,938 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:35,938 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:25:35,938 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:25:35,938 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:25:35,939 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:25:35,939 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:25:35,939 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-23 14:25:35,939 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:35,939 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:25:35,939 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:25:35,939 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:25:35,941 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:35,941 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:35,941 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:35,942 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:35,942 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:35,942 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:35,942 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:35,942 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l2_insertErr0EnsuresViolation======== [2018-01-23 14:25:35,942 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:35,944 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-01-23 14:25:35,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-01-23 14:25:35,946 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:35,946 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] [2018-01-23 14:25:35,946 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l2_insertErr0EnsuresViolation]=== [2018-01-23 14:25:35,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1612948458, now seen corresponding path program 1 times [2018-01-23 14:25:35,947 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:35,947 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:35,948 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:35,948 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:35,948 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:35,958 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:35,982 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:35,982 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:35,982 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:35,999 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:36,059 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-01-23 14:25:36,090 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:36,090 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:36,091 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:25:36,091 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:25:36,091 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:36,091 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2018-01-23 14:25:36,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:36,104 INFO L93 Difference]: Finished difference Result 334 states and 402 transitions. [2018-01-23 14:25:36,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:25:36,104 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 79 [2018-01-23 14:25:36,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:36,106 INFO L225 Difference]: With dead ends: 334 [2018-01-23 14:25:36,106 INFO L226 Difference]: Without dead ends: 93 [2018-01-23 14:25:36,107 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:36,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-01-23 14:25:36,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-01-23 14:25:36,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-01-23 14:25:36,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions. [2018-01-23 14:25:36,115 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 79 [2018-01-23 14:25:36,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:36,116 INFO L432 AbstractCegarLoop]: Abstraction has 93 states and 103 transitions. [2018-01-23 14:25:36,116 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:25:36,116 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2018-01-23 14:25:36,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-01-23 14:25:36,118 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:36,118 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] [2018-01-23 14:25:36,118 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l2_insertErr0EnsuresViolation]=== [2018-01-23 14:25:36,119 INFO L82 PathProgramCache]: Analyzing trace with hash -20311969, now seen corresponding path program 1 times [2018-01-23 14:25:36,119 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:36,119 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:36,120 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:36,120 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:36,120 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:36,134 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:36,178 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:36,178 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:36,178 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:36,191 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:36,332 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:36,365 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2018-01-23 14:25:36,396 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:36,396 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:36,397 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:25:36,397 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:25:36,397 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:25:36,397 INFO L87 Difference]: Start difference. First operand 93 states and 103 transitions. Second operand 3 states. [2018-01-23 14:25:36,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:36,472 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2018-01-23 14:25:36,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:25:36,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2018-01-23 14:25:36,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:36,474 INFO L225 Difference]: With dead ends: 93 [2018-01-23 14:25:36,474 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:25:36,475 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:25:36,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:25:36,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:25:36,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:25:36,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:25:36,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2018-01-23 14:25:36,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:36,476 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:25:36,476 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:25:36,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:25:36,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:25:36,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:25:36,518 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:36,518 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:25:36,518 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:25:36,518 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:25:36,518 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:25:36,518 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:25:36,519 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-23 14:25:36,519 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:36,519 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:36,519 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:36,519 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:25:36,519 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:25:36,519 INFO L404 ceAbstractionStarter]: At program point L827'(line 827) the Hoare annotation is: true [2018-01-23 14:25:36,519 INFO L397 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:36,519 INFO L397 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:36,519 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:36,519 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:25:36,520 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:25:36,520 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:36,520 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:25:36,520 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-23 14:25:36,520 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:36,520 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 806 814) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:36,520 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:36,520 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:36,521 INFO L397 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:36,521 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-23 14:25:36,521 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:25:36,521 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:25:36,521 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:25:36,521 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:25:36,521 INFO L401 ceAbstractionStarter]: For program point L817'''(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:36,521 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:36,521 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:36,521 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 815 823) the Hoare annotation is: true [2018-01-23 14:25:36,522 INFO L404 ceAbstractionStarter]: At program point L817''(lines 817 822) the Hoare annotation is: true [2018-01-23 14:25:36,522 INFO L401 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-01-23 14:25:36,522 INFO L401 ceAbstractionStarter]: For program point L817(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:36,522 INFO L401 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2018-01-23 14:25:36,522 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:25:36,522 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-23 14:25:36,522 INFO L401 ceAbstractionStarter]: For program point L791(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:36,522 INFO L397 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:36,522 INFO L401 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-01-23 14:25:36,522 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-23 14:25:36,523 INFO L397 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:36,523 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:36,523 INFO L401 ceAbstractionStarter]: For program point L794'(line 794) no Hoare annotation was computed. [2018-01-23 14:25:36,523 INFO L401 ceAbstractionStarter]: For program point L791'''(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:36,523 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:25:36,523 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-23 14:25:36,523 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 788 796) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:36,523 INFO L397 ceAbstractionStarter]: At program point L791''(lines 791 793) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:36,523 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:36,524 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:36,524 INFO L401 ceAbstractionStarter]: For program point L867'''(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:36,524 INFO L397 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) [2018-01-23 14:25:36,524 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:36,524 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-23 14:25:36,524 INFO L397 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:36,524 INFO L401 ceAbstractionStarter]: For program point L867(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:36,524 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:36,524 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:25:36,525 INFO L397 ceAbstractionStarter]: At program point L867''(lines 867 869) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:36,525 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:36,525 INFO L401 ceAbstractionStarter]: For program point L782'''(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:36,525 INFO L397 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:36,525 INFO L401 ceAbstractionStarter]: For program point L782(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:36,525 INFO L397 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:36,525 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-23 14:25:36,525 INFO L401 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-01-23 14:25:36,525 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:25:36,525 INFO L401 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2018-01-23 14:25:36,526 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 779 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:36,526 INFO L397 ceAbstractionStarter]: At program point L782''(lines 782 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:36,526 INFO L401 ceAbstractionStarter]: For program point L785'(line 785) no Hoare annotation was computed. [2018-01-23 14:25:36,526 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:36,526 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:36,526 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:36,526 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:36,526 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:36,526 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:25:36,527 INFO L397 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:36,527 INFO L401 ceAbstractionStarter]: For program point L800(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:36,527 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-23 14:25:36,527 INFO L401 ceAbstractionStarter]: For program point L801'(line 801) no Hoare annotation was computed. [2018-01-23 14:25:36,527 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-23 14:25:36,527 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 797 805) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:36,527 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:25:36,527 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:36,527 INFO L397 ceAbstractionStarter]: At program point L800''(lines 800 802) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:36,527 INFO L401 ceAbstractionStarter]: For program point L800'''(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:36,528 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:36,528 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:36,528 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:25:36,528 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:36,528 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:25:36,528 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:36,528 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:25:36,528 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:25:36,528 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:25:36,528 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:25:36,529 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:25:36,529 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:36,529 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-23 14:25:36,529 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:25:36,529 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:36,529 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:25:36,529 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:36,529 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:25:36,529 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:36,530 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:36,530 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:25:36,530 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:25:36,530 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:36,530 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:36,530 INFO L401 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2018-01-23 14:25:36,530 INFO L401 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-01-23 14:25:36,530 INFO L397 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:36,530 INFO L397 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:36,531 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:36,531 INFO L401 ceAbstractionStarter]: For program point L776'(line 776) no Hoare annotation was computed. [2018-01-23 14:25:36,531 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 772 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:36,531 INFO L401 ceAbstractionStarter]: For program point L775'(line 775) no Hoare annotation was computed. [2018-01-23 14:25:36,531 INFO L401 ceAbstractionStarter]: For program point L774'(line 774) no Hoare annotation was computed. [2018-01-23 14:25:36,531 INFO L401 ceAbstractionStarter]: For program point L775''(line 775) no Hoare annotation was computed. [2018-01-23 14:25:36,531 INFO L401 ceAbstractionStarter]: For program point L776''(line 776) no Hoare annotation was computed. [2018-01-23 14:25:36,531 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:36,531 INFO L401 ceAbstractionStarter]: For program point L767'(line 767) no Hoare annotation was computed. [2018-01-23 14:25:36,531 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:36,532 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 765 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:36,532 INFO L401 ceAbstractionStarter]: For program point L768(lines 768 769) no Hoare annotation was computed. [2018-01-23 14:25:36,532 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:36,532 INFO L397 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:36,532 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:36,532 INFO L401 ceAbstractionStarter]: For program point L866'(line 866) no Hoare annotation was computed. [2018-01-23 14:25:36,532 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:36,532 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 871) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:36,532 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:36,533 INFO L401 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2018-01-23 14:25:36,533 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:36,533 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:25:36,533 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:36,533 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:25:36,533 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:25:36,533 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:25:36,533 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:25:36,533 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:25:36,533 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-23 14:25:36,533 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:36,534 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:25:36,534 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:25:36,534 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:36,534 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 871) the Hoare annotation is: true [2018-01-23 14:25:36,534 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:36,534 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 871) the Hoare annotation is: (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |#valid| |calloc_model_#t~malloc0.base|) 1)) [2018-01-23 14:25:36,534 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:36,534 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:36,534 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:36,535 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:36,535 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:36,535 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:25:36,535 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:25:36,535 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:25:36,535 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:25:36,535 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:25:36,535 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-23 14:25:36,535 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:36,536 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:25:36,536 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:25:36,536 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:25:36,537 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:36,538 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:36,538 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:36,538 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:36,538 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:36,538 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:36,538 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:36,538 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-23 14:25:36,538 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:36,540 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-01-23 14:25:36,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-23 14:25:36,541 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:36,541 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:25:36,541 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-23 14:25:36,541 INFO L82 PathProgramCache]: Analyzing trace with hash 45706005, now seen corresponding path program 1 times [2018-01-23 14:25:36,542 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:36,542 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:36,542 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:36,543 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:36,543 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:36,547 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:36,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:25:36,554 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:36,554 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:36,555 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:25:36,555 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:25:36,555 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:36,555 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2018-01-23 14:25:36,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:36,566 INFO L93 Difference]: Finished difference Result 334 states and 402 transitions. [2018-01-23 14:25:36,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:25:36,567 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-01-23 14:25:36,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:36,568 INFO L225 Difference]: With dead ends: 334 [2018-01-23 14:25:36,568 INFO L226 Difference]: Without dead ends: 154 [2018-01-23 14:25:36,569 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:36,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-01-23 14:25:36,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-01-23 14:25:36,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-01-23 14:25:36,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 169 transitions. [2018-01-23 14:25:36,581 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 169 transitions. Word has length 16 [2018-01-23 14:25:36,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:36,581 INFO L432 AbstractCegarLoop]: Abstraction has 154 states and 169 transitions. [2018-01-23 14:25:36,581 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:25:36,581 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 169 transitions. [2018-01-23 14:25:36,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-01-23 14:25:36,584 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:36,585 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] [2018-01-23 14:25:36,585 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-23 14:25:36,585 INFO L82 PathProgramCache]: Analyzing trace with hash -2021517282, now seen corresponding path program 1 times [2018-01-23 14:25:36,585 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:36,585 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:36,586 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:36,586 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:36,586 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:36,602 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:36,664 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:36,665 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:36,665 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:36,680 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:36,831 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2018-01-23 14:25:36,953 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:36,953 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:36,953 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:25:36,954 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:25:36,954 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:25:36,954 INFO L87 Difference]: Start difference. First operand 154 states and 169 transitions. Second operand 3 states. [2018-01-23 14:25:37,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:37,063 INFO L93 Difference]: Finished difference Result 186 states and 205 transitions. [2018-01-23 14:25:37,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:25:37,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2018-01-23 14:25:37,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:37,065 INFO L225 Difference]: With dead ends: 186 [2018-01-23 14:25:37,065 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:25:37,066 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:25:37,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:25:37,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:25:37,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:25:37,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:25:37,066 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2018-01-23 14:25:37,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:37,066 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:25:37,066 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:25:37,066 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:25:37,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:25:37,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:25:37,139 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:37,139 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:25:37,139 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:25:37,139 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:25:37,139 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:25:37,139 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:25:37,139 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,139 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:37,139 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:37,139 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:37,139 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:25:37,139 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:25:37,139 INFO L404 ceAbstractionStarter]: At program point L827'(line 827) the Hoare annotation is: true [2018-01-23 14:25:37,139 INFO L397 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:37,140 INFO L397 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:37,140 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:37,140 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:25:37,140 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:25:37,140 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:37,140 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:25:37,140 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-23 14:25:37,140 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:37,140 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 806 814) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:37,140 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:37,140 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:37,140 INFO L397 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:37,140 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-23 14:25:37,140 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:25:37,140 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:25:37,141 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:25:37,141 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:25:37,141 INFO L401 ceAbstractionStarter]: For program point L817'''(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:37,141 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:37,141 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:37,141 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 815 823) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,141 INFO L404 ceAbstractionStarter]: At program point L817''(lines 817 822) the Hoare annotation is: true [2018-01-23 14:25:37,141 INFO L401 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-01-23 14:25:37,141 INFO L401 ceAbstractionStarter]: For program point L817(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:37,141 INFO L401 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2018-01-23 14:25:37,141 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:25:37,141 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-23 14:25:37,141 INFO L401 ceAbstractionStarter]: For program point L791(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:37,141 INFO L397 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,141 INFO L401 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-01-23 14:25:37,141 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-23 14:25:37,141 INFO L397 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,142 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:37,142 INFO L401 ceAbstractionStarter]: For program point L794'(line 794) no Hoare annotation was computed. [2018-01-23 14:25:37,142 INFO L401 ceAbstractionStarter]: For program point L791'''(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:37,142 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:25:37,142 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-23 14:25:37,142 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 788 796) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,142 INFO L397 ceAbstractionStarter]: At program point L791''(lines 791 793) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,142 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:37,142 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:37,142 INFO L401 ceAbstractionStarter]: For program point L867'''(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:37,142 INFO L397 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:37,142 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:37,142 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-23 14:25:37,142 INFO L397 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:37,142 INFO L401 ceAbstractionStarter]: For program point L867(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:37,143 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:37,143 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:25:37,143 INFO L397 ceAbstractionStarter]: At program point L867''(lines 867 869) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:37,143 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:37,143 INFO L401 ceAbstractionStarter]: For program point L782'''(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:37,143 INFO L397 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,143 INFO L401 ceAbstractionStarter]: For program point L782(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:37,143 INFO L397 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,143 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-23 14:25:37,143 INFO L401 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-01-23 14:25:37,143 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:25:37,143 INFO L401 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2018-01-23 14:25:37,143 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 779 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,143 INFO L397 ceAbstractionStarter]: At program point L782''(lines 782 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,143 INFO L401 ceAbstractionStarter]: For program point L785'(line 785) no Hoare annotation was computed. [2018-01-23 14:25:37,143 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:37,144 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:37,144 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:37,144 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:37,144 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,144 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:25:37,144 INFO L397 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,144 INFO L401 ceAbstractionStarter]: For program point L800(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:37,144 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-23 14:25:37,144 INFO L401 ceAbstractionStarter]: For program point L801'(line 801) no Hoare annotation was computed. [2018-01-23 14:25:37,144 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-23 14:25:37,144 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 797 805) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,144 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:25:37,144 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:37,144 INFO L397 ceAbstractionStarter]: At program point L800''(lines 800 802) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,144 INFO L401 ceAbstractionStarter]: For program point L800'''(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:37,144 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:37,144 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:37,145 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:25:37,145 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:37,145 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:25:37,145 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:37,145 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:25:37,145 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:25:37,145 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:25:37,145 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:25:37,145 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:25:37,145 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:37,145 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,145 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:25:37,145 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:37,145 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:25:37,145 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:37,145 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:25:37,146 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:37,146 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:37,146 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:25:37,146 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:25:37,146 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:37,146 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:37,146 INFO L401 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2018-01-23 14:25:37,146 INFO L401 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-01-23 14:25:37,146 INFO L397 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,146 INFO L397 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,146 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:37,146 INFO L401 ceAbstractionStarter]: For program point L776'(line 776) no Hoare annotation was computed. [2018-01-23 14:25:37,146 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 772 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,146 INFO L401 ceAbstractionStarter]: For program point L775'(line 775) no Hoare annotation was computed. [2018-01-23 14:25:37,146 INFO L401 ceAbstractionStarter]: For program point L774'(line 774) no Hoare annotation was computed. [2018-01-23 14:25:37,146 INFO L401 ceAbstractionStarter]: For program point L775''(line 775) no Hoare annotation was computed. [2018-01-23 14:25:37,147 INFO L401 ceAbstractionStarter]: For program point L776''(line 776) no Hoare annotation was computed. [2018-01-23 14:25:37,147 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:37,147 INFO L401 ceAbstractionStarter]: For program point L767'(line 767) no Hoare annotation was computed. [2018-01-23 14:25:37,147 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:37,147 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 765 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:37,147 INFO L401 ceAbstractionStarter]: For program point L768(lines 768 769) no Hoare annotation was computed. [2018-01-23 14:25:37,147 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:37,147 INFO L397 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:37,147 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:37,147 INFO L401 ceAbstractionStarter]: For program point L866'(line 866) no Hoare annotation was computed. [2018-01-23 14:25:37,147 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:37,147 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 871) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,147 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:37,147 INFO L401 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2018-01-23 14:25:37,147 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:37,147 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:25:37,148 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:37,148 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:25:37,148 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:25:37,148 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:25:37,148 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:25:37,148 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:25:37,148 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,148 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:37,148 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:25:37,148 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:25:37,148 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:37,148 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 871) the Hoare annotation is: true [2018-01-23 14:25:37,148 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:37,148 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 871) the Hoare annotation is: (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |#valid| |calloc_model_#t~malloc0.base|) 1)) [2018-01-23 14:25:37,148 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:37,148 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:37,148 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:37,149 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:37,149 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:37,149 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:25:37,149 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:25:37,149 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:25:37,149 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:25:37,149 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:25:37,149 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,149 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:37,149 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:25:37,149 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:25:37,149 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:25:37,151 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:37,151 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:37,151 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:37,151 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:37,151 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:37,151 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:37,151 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:37,151 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l3_insertErr0EnsuresViolation======== [2018-01-23 14:25:37,151 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:37,152 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-01-23 14:25:37,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-01-23 14:25:37,153 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:37,153 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] [2018-01-23 14:25:37,153 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l3_insertErr0EnsuresViolation]=== [2018-01-23 14:25:37,153 INFO L82 PathProgramCache]: Analyzing trace with hash 724435203, now seen corresponding path program 1 times [2018-01-23 14:25:37,154 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:37,154 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:37,154 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:37,154 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:37,155 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:37,162 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:37,181 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:37,181 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:37,181 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:37,187 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:37,253 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-01-23 14:25:37,281 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:37,282 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:37,282 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:25:37,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:25:37,282 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:37,282 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2018-01-23 14:25:37,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:37,291 INFO L93 Difference]: Finished difference Result 334 states and 402 transitions. [2018-01-23 14:25:37,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:25:37,291 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 101 [2018-01-23 14:25:37,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:37,293 INFO L225 Difference]: With dead ends: 334 [2018-01-23 14:25:37,293 INFO L226 Difference]: Without dead ends: 93 [2018-01-23 14:25:37,294 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:37,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-01-23 14:25:37,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-01-23 14:25:37,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-01-23 14:25:37,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions. [2018-01-23 14:25:37,300 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 101 [2018-01-23 14:25:37,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:37,301 INFO L432 AbstractCegarLoop]: Abstraction has 93 states and 103 transitions. [2018-01-23 14:25:37,301 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:25:37,301 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2018-01-23 14:25:37,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-01-23 14:25:37,302 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:37,302 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] [2018-01-23 14:25:37,302 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l3_insertErr0EnsuresViolation]=== [2018-01-23 14:25:37,302 INFO L82 PathProgramCache]: Analyzing trace with hash 9456696, now seen corresponding path program 1 times [2018-01-23 14:25:37,302 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:37,302 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:37,303 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:37,303 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:37,303 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:37,312 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:37,340 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:37,340 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:37,340 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:37,350 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:37,452 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:37,652 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-01-23 14:25:37,684 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:37,685 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:37,685 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:25:37,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:25:37,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:25:37,686 INFO L87 Difference]: Start difference. First operand 93 states and 103 transitions. Second operand 3 states. [2018-01-23 14:25:37,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:37,803 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2018-01-23 14:25:37,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:25:37,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2018-01-23 14:25:37,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:37,804 INFO L225 Difference]: With dead ends: 93 [2018-01-23 14:25:37,804 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:25:37,805 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:25:37,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:25:37,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:25:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:25:37,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:25:37,805 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2018-01-23 14:25:37,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:37,805 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:25:37,805 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:25:37,805 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:25:37,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:25:37,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:25:37,876 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:37,877 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:25:37,877 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:25:37,877 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:25:37,877 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:25:37,877 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:25:37,877 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,877 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:37,877 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:37,877 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:37,877 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:25:37,877 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:25:37,877 INFO L404 ceAbstractionStarter]: At program point L827'(line 827) the Hoare annotation is: true [2018-01-23 14:25:37,878 INFO L397 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:37,878 INFO L397 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:37,878 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:37,878 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:25:37,878 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:25:37,878 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:37,878 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:25:37,878 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-23 14:25:37,878 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:37,878 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 806 814) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:37,878 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:37,878 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:37,878 INFO L397 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:37,878 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-23 14:25:37,879 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:25:37,879 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:25:37,879 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:25:37,879 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:25:37,879 INFO L401 ceAbstractionStarter]: For program point L817'''(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:37,879 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:37,879 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:37,879 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 815 823) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,879 INFO L404 ceAbstractionStarter]: At program point L817''(lines 817 822) the Hoare annotation is: true [2018-01-23 14:25:37,879 INFO L401 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-01-23 14:25:37,879 INFO L401 ceAbstractionStarter]: For program point L817(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:37,879 INFO L401 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2018-01-23 14:25:37,879 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:25:37,879 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-23 14:25:37,879 INFO L401 ceAbstractionStarter]: For program point L791(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:37,879 INFO L397 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,879 INFO L401 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-01-23 14:25:37,880 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-23 14:25:37,880 INFO L397 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,880 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:37,880 INFO L401 ceAbstractionStarter]: For program point L794'(line 794) no Hoare annotation was computed. [2018-01-23 14:25:37,880 INFO L401 ceAbstractionStarter]: For program point L791'''(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:37,880 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:25:37,880 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-23 14:25:37,880 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 788 796) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,880 INFO L397 ceAbstractionStarter]: At program point L791''(lines 791 793) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,880 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:37,880 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:37,880 INFO L401 ceAbstractionStarter]: For program point L867'''(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:37,880 INFO L397 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:37,880 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:37,880 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-23 14:25:37,881 INFO L397 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:37,881 INFO L401 ceAbstractionStarter]: For program point L867(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:37,881 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:37,881 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:25:37,881 INFO L397 ceAbstractionStarter]: At program point L867''(lines 867 869) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:37,881 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:37,881 INFO L401 ceAbstractionStarter]: For program point L782'''(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:37,881 INFO L397 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,881 INFO L401 ceAbstractionStarter]: For program point L782(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:37,881 INFO L397 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,881 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-23 14:25:37,881 INFO L401 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-01-23 14:25:37,881 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:25:37,881 INFO L401 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2018-01-23 14:25:37,881 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 779 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,881 INFO L397 ceAbstractionStarter]: At program point L782''(lines 782 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,882 INFO L401 ceAbstractionStarter]: For program point L785'(line 785) no Hoare annotation was computed. [2018-01-23 14:25:37,882 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:37,882 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:37,882 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:37,882 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:37,882 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,882 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:25:37,882 INFO L397 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,882 INFO L401 ceAbstractionStarter]: For program point L800(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:37,882 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-23 14:25:37,882 INFO L401 ceAbstractionStarter]: For program point L801'(line 801) no Hoare annotation was computed. [2018-01-23 14:25:37,882 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-23 14:25:37,882 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 797 805) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,882 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:25:37,882 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:37,883 INFO L397 ceAbstractionStarter]: At program point L800''(lines 800 802) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,883 INFO L401 ceAbstractionStarter]: For program point L800'''(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:37,883 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:37,883 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:37,883 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:25:37,883 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:37,883 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:25:37,883 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:37,883 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:25:37,883 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:25:37,883 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:25:37,883 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:25:37,883 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:25:37,883 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:37,883 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,883 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:25:37,883 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:37,884 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:25:37,884 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:37,884 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:25:37,884 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:37,884 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:37,884 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:25:37,884 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:25:37,884 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:37,884 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:37,884 INFO L401 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2018-01-23 14:25:37,884 INFO L401 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-01-23 14:25:37,884 INFO L397 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,884 INFO L397 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,884 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:37,884 INFO L401 ceAbstractionStarter]: For program point L776'(line 776) no Hoare annotation was computed. [2018-01-23 14:25:37,885 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 772 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,885 INFO L401 ceAbstractionStarter]: For program point L775'(line 775) no Hoare annotation was computed. [2018-01-23 14:25:37,885 INFO L401 ceAbstractionStarter]: For program point L774'(line 774) no Hoare annotation was computed. [2018-01-23 14:25:37,885 INFO L401 ceAbstractionStarter]: For program point L775''(line 775) no Hoare annotation was computed. [2018-01-23 14:25:37,885 INFO L401 ceAbstractionStarter]: For program point L776''(line 776) no Hoare annotation was computed. [2018-01-23 14:25:37,885 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:37,885 INFO L401 ceAbstractionStarter]: For program point L767'(line 767) no Hoare annotation was computed. [2018-01-23 14:25:37,885 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:37,885 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 765 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:37,885 INFO L401 ceAbstractionStarter]: For program point L768(lines 768 769) no Hoare annotation was computed. [2018-01-23 14:25:37,885 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:37,885 INFO L397 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:37,885 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:37,885 INFO L401 ceAbstractionStarter]: For program point L866'(line 866) no Hoare annotation was computed. [2018-01-23 14:25:37,886 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:37,886 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 871) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,886 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:37,886 INFO L401 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2018-01-23 14:25:37,886 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:37,886 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:25:37,886 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:37,886 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:25:37,886 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:25:37,886 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:25:37,887 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:25:37,887 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:25:37,887 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,887 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:37,887 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:25:37,887 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:25:37,887 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:37,887 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 871) the Hoare annotation is: true [2018-01-23 14:25:37,887 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:37,887 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 871) the Hoare annotation is: (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |#valid| |calloc_model_#t~malloc0.base|) 1)) [2018-01-23 14:25:37,887 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:37,887 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:37,887 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:37,887 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:37,888 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:37,888 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:25:37,888 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:25:37,888 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:25:37,888 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:25:37,888 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:25:37,888 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:37,888 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:37,888 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:25:37,888 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:25:37,888 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:25:37,890 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:37,890 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:37,890 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:37,890 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:37,890 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:37,890 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:37,891 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:37,891 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l1_insertErr0EnsuresViolation======== [2018-01-23 14:25:37,891 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:37,892 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-01-23 14:25:37,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-01-23 14:25:37,893 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:37,893 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] [2018-01-23 14:25:37,893 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l1_insertErr0EnsuresViolation]=== [2018-01-23 14:25:37,893 INFO L82 PathProgramCache]: Analyzing trace with hash 189245713, now seen corresponding path program 1 times [2018-01-23 14:25:37,894 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:37,894 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:37,894 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:37,894 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:37,894 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:37,899 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:37,911 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:37,912 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:37,912 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:37,917 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:37,955 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:37,959 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-01-23 14:25:37,981 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:37,981 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:37,981 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:25:37,981 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:25:37,982 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:37,982 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2018-01-23 14:25:37,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:37,991 INFO L93 Difference]: Finished difference Result 334 states and 402 transitions. [2018-01-23 14:25:37,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:25:37,992 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 57 [2018-01-23 14:25:37,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:37,993 INFO L225 Difference]: With dead ends: 334 [2018-01-23 14:25:37,993 INFO L226 Difference]: Without dead ends: 93 [2018-01-23 14:25:37,994 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:37,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-01-23 14:25:38,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-01-23 14:25:38,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-01-23 14:25:38,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions. [2018-01-23 14:25:38,002 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 57 [2018-01-23 14:25:38,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:38,002 INFO L432 AbstractCegarLoop]: Abstraction has 93 states and 103 transitions. [2018-01-23 14:25:38,002 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:25:38,002 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2018-01-23 14:25:38,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-01-23 14:25:38,003 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:38,004 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] [2018-01-23 14:25:38,004 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l1_insertErr0EnsuresViolation]=== [2018-01-23 14:25:38,004 INFO L82 PathProgramCache]: Analyzing trace with hash 776262318, now seen corresponding path program 1 times [2018-01-23 14:25:38,004 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:38,004 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:38,005 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:38,005 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:38,005 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:38,018 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:38,053 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:38,053 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:38,053 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:38,059 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:38,131 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:38,152 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-01-23 14:25:38,173 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:38,173 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:38,174 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:25:38,174 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:25:38,174 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:25:38,174 INFO L87 Difference]: Start difference. First operand 93 states and 103 transitions. Second operand 3 states. [2018-01-23 14:25:38,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:38,238 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2018-01-23 14:25:38,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:25:38,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2018-01-23 14:25:38,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:38,239 INFO L225 Difference]: With dead ends: 93 [2018-01-23 14:25:38,239 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:25:38,240 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:25:38,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:25:38,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:25:38,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:25:38,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:25:38,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2018-01-23 14:25:38,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:38,240 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:25:38,240 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:25:38,240 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:25:38,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:25:38,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:25:38,275 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:38,275 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:25:38,275 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:25:38,275 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:25:38,275 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:25:38,275 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:25:38,275 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,275 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:38,275 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:38,275 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:38,275 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:25:38,275 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:25:38,275 INFO L404 ceAbstractionStarter]: At program point L827'(line 827) the Hoare annotation is: true [2018-01-23 14:25:38,275 INFO L397 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:38,276 INFO L397 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:38,276 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:38,276 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:25:38,276 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:25:38,276 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:38,276 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:25:38,276 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-23 14:25:38,276 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:38,276 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 806 814) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:38,276 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:38,276 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:38,276 INFO L397 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:38,276 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-23 14:25:38,276 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:25:38,277 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:25:38,277 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:25:38,277 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:25:38,277 INFO L401 ceAbstractionStarter]: For program point L817'''(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:38,277 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:38,277 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:38,277 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 815 823) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,277 INFO L404 ceAbstractionStarter]: At program point L817''(lines 817 822) the Hoare annotation is: true [2018-01-23 14:25:38,277 INFO L401 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-01-23 14:25:38,277 INFO L401 ceAbstractionStarter]: For program point L817(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:38,277 INFO L401 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2018-01-23 14:25:38,277 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:25:38,277 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-23 14:25:38,277 INFO L401 ceAbstractionStarter]: For program point L791(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:38,277 INFO L397 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,277 INFO L401 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-01-23 14:25:38,277 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-23 14:25:38,278 INFO L397 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,278 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:38,278 INFO L401 ceAbstractionStarter]: For program point L794'(line 794) no Hoare annotation was computed. [2018-01-23 14:25:38,278 INFO L401 ceAbstractionStarter]: For program point L791'''(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:38,278 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:25:38,278 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-23 14:25:38,278 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 788 796) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,278 INFO L397 ceAbstractionStarter]: At program point L791''(lines 791 793) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,278 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:38,278 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:38,278 INFO L401 ceAbstractionStarter]: For program point L867'''(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:38,278 INFO L397 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:38,278 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:38,278 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-23 14:25:38,278 INFO L397 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:38,279 INFO L401 ceAbstractionStarter]: For program point L867(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:38,279 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:38,279 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:25:38,279 INFO L397 ceAbstractionStarter]: At program point L867''(lines 867 869) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:38,279 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:38,279 INFO L401 ceAbstractionStarter]: For program point L782'''(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:38,279 INFO L397 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,279 INFO L401 ceAbstractionStarter]: For program point L782(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:38,279 INFO L397 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,279 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-23 14:25:38,279 INFO L401 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-01-23 14:25:38,279 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:25:38,279 INFO L401 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2018-01-23 14:25:38,279 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 779 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,279 INFO L397 ceAbstractionStarter]: At program point L782''(lines 782 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,280 INFO L401 ceAbstractionStarter]: For program point L785'(line 785) no Hoare annotation was computed. [2018-01-23 14:25:38,280 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:38,280 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:38,280 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:38,280 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:38,280 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,280 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:25:38,280 INFO L397 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,280 INFO L401 ceAbstractionStarter]: For program point L800(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:38,280 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-23 14:25:38,280 INFO L401 ceAbstractionStarter]: For program point L801'(line 801) no Hoare annotation was computed. [2018-01-23 14:25:38,280 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-23 14:25:38,280 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 797 805) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,280 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:25:38,280 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:38,280 INFO L397 ceAbstractionStarter]: At program point L800''(lines 800 802) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,281 INFO L401 ceAbstractionStarter]: For program point L800'''(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:38,281 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:38,281 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:38,281 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:25:38,281 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:38,281 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:25:38,281 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:38,281 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:25:38,281 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:25:38,281 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:25:38,281 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:25:38,281 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:25:38,281 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:38,281 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,281 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:25:38,281 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:38,281 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:25:38,282 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:38,282 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:25:38,282 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:38,282 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:38,282 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:25:38,282 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:25:38,282 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:38,282 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:38,282 INFO L401 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2018-01-23 14:25:38,282 INFO L401 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-01-23 14:25:38,282 INFO L397 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,282 INFO L397 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,282 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:38,282 INFO L401 ceAbstractionStarter]: For program point L776'(line 776) no Hoare annotation was computed. [2018-01-23 14:25:38,282 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 772 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,283 INFO L401 ceAbstractionStarter]: For program point L775'(line 775) no Hoare annotation was computed. [2018-01-23 14:25:38,283 INFO L401 ceAbstractionStarter]: For program point L774'(line 774) no Hoare annotation was computed. [2018-01-23 14:25:38,283 INFO L401 ceAbstractionStarter]: For program point L775''(line 775) no Hoare annotation was computed. [2018-01-23 14:25:38,283 INFO L401 ceAbstractionStarter]: For program point L776''(line 776) no Hoare annotation was computed. [2018-01-23 14:25:38,283 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:38,283 INFO L401 ceAbstractionStarter]: For program point L767'(line 767) no Hoare annotation was computed. [2018-01-23 14:25:38,283 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:38,283 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 765 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:38,283 INFO L401 ceAbstractionStarter]: For program point L768(lines 768 769) no Hoare annotation was computed. [2018-01-23 14:25:38,283 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:38,283 INFO L397 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:38,283 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:38,283 INFO L401 ceAbstractionStarter]: For program point L866'(line 866) no Hoare annotation was computed. [2018-01-23 14:25:38,283 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:38,283 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 871) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,284 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:38,284 INFO L401 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2018-01-23 14:25:38,284 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:38,284 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:25:38,284 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:38,284 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:25:38,284 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:25:38,284 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:25:38,284 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:25:38,284 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:25:38,284 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,284 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:38,284 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:25:38,284 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:25:38,284 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:38,284 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 871) the Hoare annotation is: true [2018-01-23 14:25:38,284 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:38,285 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 871) the Hoare annotation is: (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |#valid| |calloc_model_#t~malloc0.base|) 1)) [2018-01-23 14:25:38,285 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:38,285 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:38,285 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:38,285 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:38,285 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:38,285 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:25:38,285 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:25:38,285 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:25:38,285 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:25:38,285 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:25:38,285 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,285 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:38,285 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:25:38,285 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:25:38,285 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:25:38,286 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:38,287 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:38,287 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:38,287 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:38,287 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:38,287 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:38,287 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:38,287 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l0_destroyErr0EnsuresViolation======== [2018-01-23 14:25:38,287 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:38,289 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-01-23 14:25:38,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-23 14:25:38,289 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:38,289 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:25:38,289 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l0_destroyErr0EnsuresViolation]=== [2018-01-23 14:25:38,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1241016547, now seen corresponding path program 1 times [2018-01-23 14:25:38,289 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:38,289 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:38,290 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:38,290 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:38,290 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:38,294 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:38,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:25:38,299 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:38,299 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:38,300 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:25:38,300 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:25:38,300 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:38,300 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2018-01-23 14:25:38,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:38,311 INFO L93 Difference]: Finished difference Result 334 states and 402 transitions. [2018-01-23 14:25:38,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:25:38,312 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-01-23 14:25:38,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:38,313 INFO L225 Difference]: With dead ends: 334 [2018-01-23 14:25:38,313 INFO L226 Difference]: Without dead ends: 151 [2018-01-23 14:25:38,314 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:38,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-01-23 14:25:38,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-01-23 14:25:38,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-01-23 14:25:38,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 166 transitions. [2018-01-23 14:25:38,325 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 166 transitions. Word has length 13 [2018-01-23 14:25:38,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:38,325 INFO L432 AbstractCegarLoop]: Abstraction has 151 states and 166 transitions. [2018-01-23 14:25:38,325 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:25:38,326 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 166 transitions. [2018-01-23 14:25:38,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-01-23 14:25:38,327 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:38,328 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:25:38,328 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l0_destroyErr0EnsuresViolation]=== [2018-01-23 14:25:38,328 INFO L82 PathProgramCache]: Analyzing trace with hash 370737274, now seen corresponding path program 1 times [2018-01-23 14:25:38,328 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:38,328 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:38,329 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:38,329 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:38,329 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:38,343 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:38,398 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:38,398 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:38,398 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:38,409 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:38,589 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:38,600 WARN L1029 $PredicateComparison]: unable to prove that (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1)))) is different from true [2018-01-23 14:25:38,606 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:25:38,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 13 [2018-01-23 14:25:38,608 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:25:38,610 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:25:38,610 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-23 14:25:38,619 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((v_prenex_3 Int)) (and (= |c_#valid| (store |c_old(#valid)| v_prenex_3 1)) (<= (select |c_old(#valid)| v_prenex_3) 0)))) is different from true [2018-01-23 14:25:38,646 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-23 14:25:38,668 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:38,669 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:25:38,669 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:25:38,669 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:25:38,669 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-23 14:25:38,670 INFO L87 Difference]: Start difference. First operand 151 states and 166 transitions. Second operand 6 states. [2018-01-23 14:25:38,746 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1))))) is different from true [2018-01-23 14:25:38,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:38,751 INFO L93 Difference]: Finished difference Result 167 states and 186 transitions. [2018-01-23 14:25:38,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:25:38,752 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 235 [2018-01-23 14:25:38,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:38,753 INFO L225 Difference]: With dead ends: 167 [2018-01-23 14:25:38,753 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:25:38,754 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=14, Unknown=3, NotChecked=24, Total=56 [2018-01-23 14:25:38,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:25:38,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:25:38,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:25:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:25:38,755 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 235 [2018-01-23 14:25:38,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:38,755 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:25:38,755 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:25:38,755 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:25:38,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:25:38,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:25:38,902 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:38,902 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:25:38,902 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:25:38,902 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:25:38,902 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:25:38,902 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:25:38,902 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,902 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:38,902 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:38,903 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:38,903 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:25:38,903 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:25:38,903 INFO L404 ceAbstractionStarter]: At program point L827'(line 827) the Hoare annotation is: true [2018-01-23 14:25:38,903 INFO L397 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:38,903 INFO L397 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:38,903 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:38,903 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:25:38,903 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:25:38,903 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:38,904 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:25:38,904 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-23 14:25:38,904 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:38,904 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 806 814) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:38,904 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:38,904 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:38,904 INFO L397 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:38,904 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-23 14:25:38,904 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:25:38,904 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:25:38,905 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:25:38,905 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:25:38,905 INFO L401 ceAbstractionStarter]: For program point L817'''(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:38,905 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:38,905 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:38,905 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 815 823) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,905 INFO L404 ceAbstractionStarter]: At program point L817''(lines 817 822) the Hoare annotation is: true [2018-01-23 14:25:38,905 INFO L401 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-01-23 14:25:38,905 INFO L401 ceAbstractionStarter]: For program point L817(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:38,905 INFO L401 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2018-01-23 14:25:38,905 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:25:38,906 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-23 14:25:38,906 INFO L401 ceAbstractionStarter]: For program point L791(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:38,906 INFO L397 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,906 INFO L401 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-01-23 14:25:38,906 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-23 14:25:38,906 INFO L397 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,906 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:38,906 INFO L401 ceAbstractionStarter]: For program point L794'(line 794) no Hoare annotation was computed. [2018-01-23 14:25:38,906 INFO L401 ceAbstractionStarter]: For program point L791'''(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:38,906 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:25:38,906 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-23 14:25:38,907 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 788 796) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,907 INFO L397 ceAbstractionStarter]: At program point L791''(lines 791 793) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,907 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:38,907 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:38,907 INFO L401 ceAbstractionStarter]: For program point L867'''(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:38,907 INFO L397 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:38,907 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:38,907 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-23 14:25:38,907 INFO L397 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:38,907 INFO L401 ceAbstractionStarter]: For program point L867(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:38,908 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:38,908 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:25:38,908 INFO L397 ceAbstractionStarter]: At program point L867''(lines 867 869) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:38,908 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:38,908 INFO L401 ceAbstractionStarter]: For program point L782'''(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:38,908 INFO L397 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,908 INFO L401 ceAbstractionStarter]: For program point L782(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:38,908 INFO L397 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,908 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-23 14:25:38,908 INFO L401 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-01-23 14:25:38,909 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:25:38,909 INFO L401 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2018-01-23 14:25:38,909 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 779 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,909 INFO L397 ceAbstractionStarter]: At program point L782''(lines 782 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,909 INFO L401 ceAbstractionStarter]: For program point L785'(line 785) no Hoare annotation was computed. [2018-01-23 14:25:38,909 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:38,909 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:38,909 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:38,909 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:38,909 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,909 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:25:38,910 INFO L397 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,910 INFO L401 ceAbstractionStarter]: For program point L800(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:38,910 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-23 14:25:38,910 INFO L401 ceAbstractionStarter]: For program point L801'(line 801) no Hoare annotation was computed. [2018-01-23 14:25:38,910 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-23 14:25:38,910 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 797 805) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,910 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:25:38,910 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:38,910 INFO L397 ceAbstractionStarter]: At program point L800''(lines 800 802) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,910 INFO L401 ceAbstractionStarter]: For program point L800'''(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:38,910 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:38,911 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:38,911 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:25:38,911 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:38,911 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:25:38,911 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:38,911 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:25:38,911 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:25:38,911 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:25:38,911 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:25:38,911 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:25:38,911 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:38,912 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,912 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:25:38,912 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:38,912 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:25:38,912 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:38,912 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:25:38,912 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:38,912 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:38,912 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:25:38,913 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:25:38,913 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:38,913 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:38,913 INFO L401 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2018-01-23 14:25:38,913 INFO L401 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-01-23 14:25:38,913 INFO L397 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,913 INFO L397 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,913 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:38,913 INFO L401 ceAbstractionStarter]: For program point L776'(line 776) no Hoare annotation was computed. [2018-01-23 14:25:38,913 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 772 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,913 INFO L401 ceAbstractionStarter]: For program point L775'(line 775) no Hoare annotation was computed. [2018-01-23 14:25:38,914 INFO L401 ceAbstractionStarter]: For program point L774'(line 774) no Hoare annotation was computed. [2018-01-23 14:25:38,914 INFO L401 ceAbstractionStarter]: For program point L775''(line 775) no Hoare annotation was computed. [2018-01-23 14:25:38,914 INFO L401 ceAbstractionStarter]: For program point L776''(line 776) no Hoare annotation was computed. [2018-01-23 14:25:38,914 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:38,914 INFO L401 ceAbstractionStarter]: For program point L767'(line 767) no Hoare annotation was computed. [2018-01-23 14:25:38,914 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:38,914 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 765 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:38,914 INFO L401 ceAbstractionStarter]: For program point L768(lines 768 769) no Hoare annotation was computed. [2018-01-23 14:25:38,914 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:38,914 INFO L397 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:38,914 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:38,915 INFO L401 ceAbstractionStarter]: For program point L866'(line 866) no Hoare annotation was computed. [2018-01-23 14:25:38,915 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:38,915 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 871) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,915 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:38,915 INFO L401 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2018-01-23 14:25:38,915 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:38,915 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:25:38,915 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:38,915 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:25:38,915 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:25:38,915 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:25:38,916 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:25:38,916 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:25:38,916 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,916 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:38,916 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:25:38,916 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:25:38,916 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:38,916 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 871) the Hoare annotation is: true [2018-01-23 14:25:38,916 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:38,916 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 871) the Hoare annotation is: (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |#valid| |calloc_model_#t~malloc0.base|) 1)) [2018-01-23 14:25:38,916 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:38,917 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:38,917 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:38,917 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:38,917 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:38,917 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:25:38,917 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:25:38,917 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:25:38,917 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:25:38,917 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:25:38,917 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:38,918 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:38,918 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:25:38,918 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:25:38,918 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:25:38,920 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:38,920 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:38,921 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:38,921 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:38,921 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:38,921 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:38,921 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:38,921 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == calloc_modelErr0EnsuresViolation======== [2018-01-23 14:25:38,921 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:38,923 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-01-23 14:25:38,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-23 14:25:38,923 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:38,924 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:25:38,924 INFO L371 AbstractCegarLoop]: === Iteration 1 === [calloc_modelErr0EnsuresViolation]=== [2018-01-23 14:25:38,924 INFO L82 PathProgramCache]: Analyzing trace with hash -2106815711, now seen corresponding path program 1 times [2018-01-23 14:25:38,925 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:38,925 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:38,926 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:38,926 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:38,926 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:38,932 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:25:38,981 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:38,981 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-23 14:25:38,981 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-23 14:25:38,981 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-23 14:25:38,981 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:25:38,981 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 5 states. [2018-01-23 14:25:38,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:38,999 INFO L93 Difference]: Finished difference Result 171 states and 197 transitions. [2018-01-23 14:25:38,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:25:38,999 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-01-23 14:25:38,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:38,999 INFO L225 Difference]: With dead ends: 171 [2018-01-23 14:25:38,999 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:25:39,000 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:25:39,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:25:39,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:25:39,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:25:39,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:25:39,001 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-01-23 14:25:39,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:39,001 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:25:39,001 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-23 14:25:39,001 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:25:39,001 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:25:39,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:25:39,041 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:39,041 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:25:39,041 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:25:39,041 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:25:39,042 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:25:39,042 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:25:39,042 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,042 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:39,042 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:39,042 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:39,042 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:25:39,042 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:25:39,042 INFO L404 ceAbstractionStarter]: At program point L827'(line 827) the Hoare annotation is: true [2018-01-23 14:25:39,042 INFO L397 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:39,043 INFO L397 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:39,043 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:39,043 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:25:39,043 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:25:39,043 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:39,043 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:25:39,043 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-23 14:25:39,043 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:39,043 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 806 814) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,043 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:39,043 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:39,044 INFO L397 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,044 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-23 14:25:39,044 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:25:39,044 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:25:39,044 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:25:39,044 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:25:39,044 INFO L401 ceAbstractionStarter]: For program point L817'''(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:39,044 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:39,044 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:39,044 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 815 823) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,045 INFO L404 ceAbstractionStarter]: At program point L817''(lines 817 822) the Hoare annotation is: true [2018-01-23 14:25:39,045 INFO L401 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-01-23 14:25:39,045 INFO L401 ceAbstractionStarter]: For program point L817(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:39,045 INFO L401 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2018-01-23 14:25:39,046 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:25:39,046 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-23 14:25:39,046 INFO L401 ceAbstractionStarter]: For program point L791(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:39,047 INFO L397 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,047 INFO L401 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-01-23 14:25:39,047 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-23 14:25:39,047 INFO L397 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,047 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:39,047 INFO L401 ceAbstractionStarter]: For program point L794'(line 794) no Hoare annotation was computed. [2018-01-23 14:25:39,047 INFO L401 ceAbstractionStarter]: For program point L791'''(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:39,047 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:25:39,047 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-23 14:25:39,047 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 788 796) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,048 INFO L397 ceAbstractionStarter]: At program point L791''(lines 791 793) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,048 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:39,048 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:39,048 INFO L401 ceAbstractionStarter]: For program point L867'''(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:39,048 INFO L397 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:39,048 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:39,048 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-23 14:25:39,048 INFO L397 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,048 INFO L401 ceAbstractionStarter]: For program point L867(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:39,048 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:39,049 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:25:39,049 INFO L397 ceAbstractionStarter]: At program point L867''(lines 867 869) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,049 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:39,049 INFO L401 ceAbstractionStarter]: For program point L782'''(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:39,049 INFO L397 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,049 INFO L401 ceAbstractionStarter]: For program point L782(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:39,049 INFO L397 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,049 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-23 14:25:39,049 INFO L401 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-01-23 14:25:39,049 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:25:39,050 INFO L401 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2018-01-23 14:25:39,050 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 779 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,050 INFO L397 ceAbstractionStarter]: At program point L782''(lines 782 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,050 INFO L401 ceAbstractionStarter]: For program point L785'(line 785) no Hoare annotation was computed. [2018-01-23 14:25:39,050 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:39,050 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:39,050 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:39,050 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:39,050 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,050 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:25:39,050 INFO L397 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,051 INFO L401 ceAbstractionStarter]: For program point L800(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:39,051 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-23 14:25:39,051 INFO L401 ceAbstractionStarter]: For program point L801'(line 801) no Hoare annotation was computed. [2018-01-23 14:25:39,051 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-23 14:25:39,051 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 797 805) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,051 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:25:39,051 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:39,051 INFO L397 ceAbstractionStarter]: At program point L800''(lines 800 802) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,051 INFO L401 ceAbstractionStarter]: For program point L800'''(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:39,051 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:39,051 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:39,052 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:25:39,052 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:39,052 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:25:39,052 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:39,052 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:25:39,052 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:25:39,052 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:25:39,052 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:25:39,052 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:25:39,052 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:39,052 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,053 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:25:39,053 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:39,053 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:25:39,053 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,053 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:25:39,053 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:39,053 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:39,053 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:25:39,053 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:25:39,053 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:39,054 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:39,054 INFO L401 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2018-01-23 14:25:39,054 INFO L401 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-01-23 14:25:39,054 INFO L397 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,054 INFO L397 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,054 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:39,054 INFO L401 ceAbstractionStarter]: For program point L776'(line 776) no Hoare annotation was computed. [2018-01-23 14:25:39,054 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 772 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,054 INFO L401 ceAbstractionStarter]: For program point L775'(line 775) no Hoare annotation was computed. [2018-01-23 14:25:39,054 INFO L401 ceAbstractionStarter]: For program point L774'(line 774) no Hoare annotation was computed. [2018-01-23 14:25:39,054 INFO L401 ceAbstractionStarter]: For program point L775''(line 775) no Hoare annotation was computed. [2018-01-23 14:25:39,055 INFO L401 ceAbstractionStarter]: For program point L776''(line 776) no Hoare annotation was computed. [2018-01-23 14:25:39,055 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:39,055 INFO L401 ceAbstractionStarter]: For program point L767'(line 767) no Hoare annotation was computed. [2018-01-23 14:25:39,055 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:39,055 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 765 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,055 INFO L401 ceAbstractionStarter]: For program point L768(lines 768 769) no Hoare annotation was computed. [2018-01-23 14:25:39,055 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:39,055 INFO L397 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,055 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,055 INFO L401 ceAbstractionStarter]: For program point L866'(line 866) no Hoare annotation was computed. [2018-01-23 14:25:39,056 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,056 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 871) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,056 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,056 INFO L401 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2018-01-23 14:25:39,056 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:39,056 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:25:39,056 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:39,056 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:25:39,056 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:25:39,056 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:25:39,056 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:25:39,057 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:25:39,057 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,057 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:39,057 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:25:39,057 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:25:39,057 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:39,057 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 871) the Hoare annotation is: true [2018-01-23 14:25:39,057 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,057 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 871) the Hoare annotation is: false [2018-01-23 14:25:39,057 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,058 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,058 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:39,058 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:39,058 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:39,058 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:25:39,058 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:25:39,058 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:25:39,058 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:25:39,058 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:25:39,058 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,058 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:39,059 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:25:39,059 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:25:39,059 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:25:39,060 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:39,060 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:39,060 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:39,060 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:39,060 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:39,061 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:39,061 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:39,061 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l4_insertErr0EnsuresViolation======== [2018-01-23 14:25:39,062 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:39,064 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-01-23 14:25:39,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-01-23 14:25:39,066 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:39,066 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] [2018-01-23 14:25:39,066 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l4_insertErr0EnsuresViolation]=== [2018-01-23 14:25:39,066 INFO L82 PathProgramCache]: Analyzing trace with hash 69112445, now seen corresponding path program 1 times [2018-01-23 14:25:39,067 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:39,067 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:39,067 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:39,067 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:39,068 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:39,081 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:39,111 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:39,111 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:39,111 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:39,119 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:39,227 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:39,253 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2018-01-23 14:25:39,288 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:39,288 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:39,288 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:25:39,288 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:25:39,289 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:25:39,289 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 3 states. [2018-01-23 14:25:39,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:39,423 INFO L93 Difference]: Finished difference Result 359 states and 447 transitions. [2018-01-23 14:25:39,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:25:39,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2018-01-23 14:25:39,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:39,424 INFO L225 Difference]: With dead ends: 359 [2018-01-23 14:25:39,424 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:25:39,425 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:25:39,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:25:39,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:25:39,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:25:39,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:25:39,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2018-01-23 14:25:39,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:39,426 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:25:39,426 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:25:39,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:25:39,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:25:39,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:25:39,483 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:39,483 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:25:39,483 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:25:39,483 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:25:39,483 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:25:39,483 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:25:39,483 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,484 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:39,484 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:39,484 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:39,484 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:25:39,484 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:25:39,484 INFO L404 ceAbstractionStarter]: At program point L827'(line 827) the Hoare annotation is: true [2018-01-23 14:25:39,484 INFO L397 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:39,484 INFO L397 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:39,484 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:39,485 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:25:39,485 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:25:39,485 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:39,485 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:25:39,485 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-23 14:25:39,485 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:39,485 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 806 814) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,485 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:39,485 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:39,486 INFO L397 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,486 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-23 14:25:39,486 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:25:39,486 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:25:39,486 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:25:39,486 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:25:39,486 INFO L401 ceAbstractionStarter]: For program point L817'''(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:39,486 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:39,486 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:39,486 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 815 823) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,487 INFO L404 ceAbstractionStarter]: At program point L817''(lines 817 822) the Hoare annotation is: true [2018-01-23 14:25:39,487 INFO L401 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-01-23 14:25:39,487 INFO L401 ceAbstractionStarter]: For program point L817(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:39,487 INFO L401 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2018-01-23 14:25:39,487 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:25:39,487 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-23 14:25:39,487 INFO L401 ceAbstractionStarter]: For program point L791(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:39,487 INFO L397 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,487 INFO L401 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-01-23 14:25:39,487 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-23 14:25:39,488 INFO L397 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,488 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:39,488 INFO L401 ceAbstractionStarter]: For program point L794'(line 794) no Hoare annotation was computed. [2018-01-23 14:25:39,488 INFO L401 ceAbstractionStarter]: For program point L791'''(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:39,488 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:25:39,488 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-23 14:25:39,488 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 788 796) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,488 INFO L397 ceAbstractionStarter]: At program point L791''(lines 791 793) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,488 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:39,488 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:39,488 INFO L401 ceAbstractionStarter]: For program point L867'''(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:39,489 INFO L397 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:39,489 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:39,489 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-23 14:25:39,489 INFO L397 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,489 INFO L401 ceAbstractionStarter]: For program point L867(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:39,489 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:39,489 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:25:39,489 INFO L397 ceAbstractionStarter]: At program point L867''(lines 867 869) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,489 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:39,489 INFO L401 ceAbstractionStarter]: For program point L782'''(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:39,489 INFO L397 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,489 INFO L401 ceAbstractionStarter]: For program point L782(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:39,489 INFO L397 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,489 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-23 14:25:39,490 INFO L401 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-01-23 14:25:39,490 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:25:39,490 INFO L401 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2018-01-23 14:25:39,490 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 779 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,490 INFO L397 ceAbstractionStarter]: At program point L782''(lines 782 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,490 INFO L401 ceAbstractionStarter]: For program point L785'(line 785) no Hoare annotation was computed. [2018-01-23 14:25:39,490 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:39,490 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:39,490 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:39,490 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:39,490 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,490 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:25:39,490 INFO L397 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,490 INFO L401 ceAbstractionStarter]: For program point L800(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:39,490 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-23 14:25:39,490 INFO L401 ceAbstractionStarter]: For program point L801'(line 801) no Hoare annotation was computed. [2018-01-23 14:25:39,490 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-23 14:25:39,491 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 797 805) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,491 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:25:39,491 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:39,491 INFO L397 ceAbstractionStarter]: At program point L800''(lines 800 802) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,491 INFO L401 ceAbstractionStarter]: For program point L800'''(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:39,491 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:39,491 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:39,491 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:25:39,491 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:39,491 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:25:39,491 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:39,491 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:25:39,491 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:25:39,491 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:25:39,491 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:25:39,491 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:25:39,492 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:39,492 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,492 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:25:39,492 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:39,492 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:25:39,492 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,492 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:25:39,492 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:39,492 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:39,493 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:25:39,493 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:25:39,493 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:39,493 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:39,493 INFO L401 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2018-01-23 14:25:39,493 INFO L401 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-01-23 14:25:39,493 INFO L397 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,493 INFO L397 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,493 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:39,493 INFO L401 ceAbstractionStarter]: For program point L776'(line 776) no Hoare annotation was computed. [2018-01-23 14:25:39,494 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 772 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,494 INFO L401 ceAbstractionStarter]: For program point L775'(line 775) no Hoare annotation was computed. [2018-01-23 14:25:39,494 INFO L401 ceAbstractionStarter]: For program point L774'(line 774) no Hoare annotation was computed. [2018-01-23 14:25:39,494 INFO L401 ceAbstractionStarter]: For program point L775''(line 775) no Hoare annotation was computed. [2018-01-23 14:25:39,494 INFO L401 ceAbstractionStarter]: For program point L776''(line 776) no Hoare annotation was computed. [2018-01-23 14:25:39,494 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:39,494 INFO L401 ceAbstractionStarter]: For program point L767'(line 767) no Hoare annotation was computed. [2018-01-23 14:25:39,494 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:39,494 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 765 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,494 INFO L401 ceAbstractionStarter]: For program point L768(lines 768 769) no Hoare annotation was computed. [2018-01-23 14:25:39,494 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:39,495 INFO L397 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,495 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,495 INFO L401 ceAbstractionStarter]: For program point L866'(line 866) no Hoare annotation was computed. [2018-01-23 14:25:39,495 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,495 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 871) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,495 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,495 INFO L401 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2018-01-23 14:25:39,495 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:39,495 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:25:39,495 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:39,495 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:25:39,495 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:25:39,495 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:25:39,495 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:25:39,495 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:25:39,496 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,496 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:39,496 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:25:39,496 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:25:39,496 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:39,496 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 871) the Hoare annotation is: true [2018-01-23 14:25:39,496 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,496 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 871) the Hoare annotation is: false [2018-01-23 14:25:39,496 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,496 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,496 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:39,496 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:39,496 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:39,496 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:25:39,496 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:25:39,496 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:25:39,496 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:25:39,497 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:25:39,497 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,497 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:39,497 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:25:39,497 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:25:39,497 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:25:39,498 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:39,498 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:39,499 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:39,499 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:39,499 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:39,499 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:39,499 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:39,499 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == zalloc_or_dieErr0EnsuresViolation======== [2018-01-23 14:25:39,499 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:39,501 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-01-23 14:25:39,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-23 14:25:39,502 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:39,502 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:25:39,502 INFO L371 AbstractCegarLoop]: === Iteration 1 === [zalloc_or_dieErr0EnsuresViolation]=== [2018-01-23 14:25:39,503 INFO L82 PathProgramCache]: Analyzing trace with hash 360638086, now seen corresponding path program 1 times [2018-01-23 14:25:39,503 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:39,503 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:39,504 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:39,504 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:39,504 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:39,510 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:39,520 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:39,521 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:39,521 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:39,528 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:39,555 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:39,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:25:39,609 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:39,609 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:39,609 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:25:39,609 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:25:39,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:25:39,609 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 3 states. [2018-01-23 14:25:39,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:39,864 INFO L93 Difference]: Finished difference Result 359 states and 447 transitions. [2018-01-23 14:25:39,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:25:39,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-01-23 14:25:39,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:39,865 INFO L225 Difference]: With dead ends: 359 [2018-01-23 14:25:39,865 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:25:39,866 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:25:39,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:25:39,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:25:39,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:25:39,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:25:39,867 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-23 14:25:39,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:39,867 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:25:39,867 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:25:39,867 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:25:39,867 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:25:39,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:25:39,941 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:39,941 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-23 14:25:39,941 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-23 14:25:39,941 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-23 14:25:39,942 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-23 14:25:39,942 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-23 14:25:39,942 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 824 833) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,942 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:39,942 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-23 14:25:39,942 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-23 14:25:39,942 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-23 14:25:39,942 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-23 14:25:39,942 INFO L404 ceAbstractionStarter]: At program point L827'(line 827) the Hoare annotation is: true [2018-01-23 14:25:39,942 INFO L397 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:39,942 INFO L397 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:39,942 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:39,942 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-23 14:25:39,942 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-23 14:25:39,942 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:39,943 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-23 14:25:39,943 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-23 14:25:39,943 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:39,943 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 806 814) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,943 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-23 14:25:39,943 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 806 814) no Hoare annotation was computed. [2018-01-23 14:25:39,943 INFO L397 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,943 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-23 14:25:39,943 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:25:39,943 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:25:39,943 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:25:39,943 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:25:39,943 INFO L401 ceAbstractionStarter]: For program point L817'''(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:39,943 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:39,943 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-23 14:25:39,943 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 815 823) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,944 INFO L404 ceAbstractionStarter]: At program point L817''(lines 817 822) the Hoare annotation is: true [2018-01-23 14:25:39,944 INFO L401 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-01-23 14:25:39,944 INFO L401 ceAbstractionStarter]: For program point L817(lines 817 822) no Hoare annotation was computed. [2018-01-23 14:25:39,944 INFO L401 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2018-01-23 14:25:39,944 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-23 14:25:39,944 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-23 14:25:39,944 INFO L401 ceAbstractionStarter]: For program point L791(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:39,944 INFO L397 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,944 INFO L401 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-01-23 14:25:39,944 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-23 14:25:39,944 INFO L397 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,944 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:39,944 INFO L401 ceAbstractionStarter]: For program point L794'(line 794) no Hoare annotation was computed. [2018-01-23 14:25:39,944 INFO L401 ceAbstractionStarter]: For program point L791'''(lines 791 793) no Hoare annotation was computed. [2018-01-23 14:25:39,944 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-23 14:25:39,944 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-23 14:25:39,945 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 788 796) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,945 INFO L397 ceAbstractionStarter]: At program point L791''(lines 791 793) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,945 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:39,945 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 788 796) no Hoare annotation was computed. [2018-01-23 14:25:39,945 INFO L401 ceAbstractionStarter]: For program point L867'''(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:39,945 INFO L397 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|))))) [2018-01-23 14:25:39,945 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:39,945 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-23 14:25:39,945 INFO L397 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,945 INFO L401 ceAbstractionStarter]: For program point L867(lines 867 869) no Hoare annotation was computed. [2018-01-23 14:25:39,945 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:39,945 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-23 14:25:39,945 INFO L397 ceAbstractionStarter]: At program point L867''(lines 867 869) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,945 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 864 871) no Hoare annotation was computed. [2018-01-23 14:25:39,945 INFO L401 ceAbstractionStarter]: For program point L782'''(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:39,946 INFO L397 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,946 INFO L401 ceAbstractionStarter]: For program point L782(lines 782 784) no Hoare annotation was computed. [2018-01-23 14:25:39,946 INFO L397 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,946 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-23 14:25:39,946 INFO L401 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-01-23 14:25:39,946 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-23 14:25:39,946 INFO L401 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2018-01-23 14:25:39,946 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 779 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,946 INFO L397 ceAbstractionStarter]: At program point L782''(lines 782 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,946 INFO L401 ceAbstractionStarter]: For program point L785'(line 785) no Hoare annotation was computed. [2018-01-23 14:25:39,946 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:39,946 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:39,946 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 779 787) no Hoare annotation was computed. [2018-01-23 14:25:39,946 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:39,946 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,946 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-23 14:25:39,947 INFO L397 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,947 INFO L401 ceAbstractionStarter]: For program point L800(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:39,947 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-23 14:25:39,947 INFO L401 ceAbstractionStarter]: For program point L801'(line 801) no Hoare annotation was computed. [2018-01-23 14:25:39,947 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-23 14:25:39,947 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 797 805) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,947 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-23 14:25:39,947 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:39,947 INFO L397 ceAbstractionStarter]: At program point L800''(lines 800 802) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,947 INFO L401 ceAbstractionStarter]: For program point L800'''(lines 800 802) no Hoare annotation was computed. [2018-01-23 14:25:39,947 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 797 805) no Hoare annotation was computed. [2018-01-23 14:25:39,947 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:39,947 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-23 14:25:39,947 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-23 14:25:39,947 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-23 14:25:39,947 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:39,947 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-23 14:25:39,948 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-23 14:25:39,948 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-23 14:25:39,948 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-23 14:25:39,948 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-23 14:25:39,948 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-23 14:25:39,948 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 854 863) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,948 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-23 14:25:39,948 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:39,948 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-23 14:25:39,948 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,948 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-23 14:25:39,948 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:39,948 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-23 14:25:39,948 INFO L397 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |#valid| (store |old(#valid)| |calloc_model_#t~malloc0.base| 1))))) [2018-01-23 14:25:39,948 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-23 14:25:39,949 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:39,949 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:39,949 INFO L401 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2018-01-23 14:25:39,949 INFO L401 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-01-23 14:25:39,949 INFO L397 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,949 INFO L397 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,949 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 772 778) no Hoare annotation was computed. [2018-01-23 14:25:39,949 INFO L401 ceAbstractionStarter]: For program point L776'(line 776) no Hoare annotation was computed. [2018-01-23 14:25:39,949 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 772 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,949 INFO L401 ceAbstractionStarter]: For program point L775'(line 775) no Hoare annotation was computed. [2018-01-23 14:25:39,949 INFO L401 ceAbstractionStarter]: For program point L774'(line 774) no Hoare annotation was computed. [2018-01-23 14:25:39,949 INFO L401 ceAbstractionStarter]: For program point L775''(line 775) no Hoare annotation was computed. [2018-01-23 14:25:39,949 INFO L401 ceAbstractionStarter]: For program point L776''(line 776) no Hoare annotation was computed. [2018-01-23 14:25:39,949 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:39,949 INFO L401 ceAbstractionStarter]: For program point L767'(line 767) no Hoare annotation was computed. [2018-01-23 14:25:39,949 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:39,950 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 765 771) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,950 INFO L401 ceAbstractionStarter]: For program point L768(lines 768 769) no Hoare annotation was computed. [2018-01-23 14:25:39,950 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 765 771) no Hoare annotation was computed. [2018-01-23 14:25:39,950 INFO L397 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (= |#valid| |old(#valid)|))) (and (or (not (exists ((|calloc_model_#t~malloc0.base| Int)) (= 1 (select |old(#valid)| |calloc_model_#t~malloc0.base|)))) .cse0) .cse0)) [2018-01-23 14:25:39,950 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,950 INFO L401 ceAbstractionStarter]: For program point L866'(line 866) no Hoare annotation was computed. [2018-01-23 14:25:39,950 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,950 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 871) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,950 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,950 INFO L401 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2018-01-23 14:25:39,950 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:39,950 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-23 14:25:39,950 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-23 14:25:39,950 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-23 14:25:39,950 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-23 14:25:39,950 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-23 14:25:39,951 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-23 14:25:39,951 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-23 14:25:39,951 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 844 853) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,951 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:39,951 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-23 14:25:39,951 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-23 14:25:39,951 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-23 14:25:39,951 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 871) the Hoare annotation is: true [2018-01-23 14:25:39,951 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,951 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 871) the Hoare annotation is: false [2018-01-23 14:25:39,951 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,951 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 871) no Hoare annotation was computed. [2018-01-23 14:25:39,951 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:39,951 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:39,951 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-23 14:25:39,951 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-23 14:25:39,951 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-23 14:25:39,952 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-23 14:25:39,952 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-23 14:25:39,952 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-23 14:25:39,952 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 834 843) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:25:39,952 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-23 14:25:39,952 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-23 14:25:39,952 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-23 14:25:39,952 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-23 14:25:39,953 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:39,953 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:39,953 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:39,953 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:39,953 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:39,953 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:39,953 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:39,953 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-23 14:25:39,953 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:39,954 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-01-23 14:25:39,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-01-23 14:25:39,955 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:39,955 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-01-23 14:25:39,955 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-23 14:25:39,955 INFO L82 PathProgramCache]: Analyzing trace with hash 317907732, now seen corresponding path program 1 times [2018-01-23 14:25:39,955 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:39,955 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:39,956 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:39,956 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:39,956 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:25:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:25:39,973 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:25:39,979 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:25:39,987 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:39,987 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:39,988 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:39,988 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:39,988 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:39,988 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:39,988 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:39,988 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l1_destroyErr0EnsuresViolation======== [2018-01-23 14:25:39,988 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:39,989 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-01-23 14:25:39,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-23 14:25:39,989 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:39,989 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:25:39,989 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l1_destroyErr0EnsuresViolation]=== [2018-01-23 14:25:39,990 INFO L82 PathProgramCache]: Analyzing trace with hash 972864812, now seen corresponding path program 1 times [2018-01-23 14:25:39,990 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:39,990 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:39,990 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:39,990 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:39,990 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:39,995 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:39,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:25:39,998 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:39,998 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:39,998 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:25:39,998 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:25:39,998 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:39,998 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2018-01-23 14:25:40,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:40,004 INFO L93 Difference]: Finished difference Result 334 states and 402 transitions. [2018-01-23 14:25:40,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:25:40,004 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-01-23 14:25:40,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:40,006 INFO L225 Difference]: With dead ends: 334 [2018-01-23 14:25:40,006 INFO L226 Difference]: Without dead ends: 150 [2018-01-23 14:25:40,007 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:40,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-01-23 14:25:40,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-01-23 14:25:40,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-01-23 14:25:40,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 165 transitions. [2018-01-23 14:25:40,012 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 165 transitions. Word has length 17 [2018-01-23 14:25:40,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:40,012 INFO L432 AbstractCegarLoop]: Abstraction has 150 states and 165 transitions. [2018-01-23 14:25:40,013 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:25:40,013 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 165 transitions. [2018-01-23 14:25:40,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-01-23 14:25:40,014 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:40,014 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] [2018-01-23 14:25:40,014 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l1_destroyErr0EnsuresViolation]=== [2018-01-23 14:25:40,014 INFO L82 PathProgramCache]: Analyzing trace with hash 50953540, now seen corresponding path program 1 times [2018-01-23 14:25:40,014 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:40,014 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:40,015 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:40,015 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:40,015 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:40,024 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:40,057 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:40,057 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:40,057 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:40,062 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:40,170 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:40,210 WARN L1029 $PredicateComparison]: unable to prove that (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1)))) is different from true [2018-01-23 14:25:40,227 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:25:40,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 13 [2018-01-23 14:25:40,228 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:25:40,236 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:25:40,237 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-23 14:25:40,267 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((v_prenex_4 Int)) (and (<= (select |c_old(#valid)| v_prenex_4) 0) (= |c_#valid| (store |c_old(#valid)| v_prenex_4 1))))) is different from true [2018-01-23 14:25:40,296 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-23 14:25:40,319 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:40,319 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:25:40,319 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:25:40,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:25:40,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-23 14:25:40,320 INFO L87 Difference]: Start difference. First operand 150 states and 165 transitions. Second operand 6 states. [2018-01-23 14:25:40,404 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1))))) is different from true [2018-01-23 14:25:40,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:40,408 INFO L93 Difference]: Finished difference Result 166 states and 185 transitions. [2018-01-23 14:25:40,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:25:40,408 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 227 [2018-01-23 14:25:40,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:40,409 INFO L225 Difference]: With dead ends: 166 [2018-01-23 14:25:40,409 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:25:40,409 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=14, Unknown=3, NotChecked=24, Total=56 [2018-01-23 14:25:40,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:25:40,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:25:40,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:25:40,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:25:40,410 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2018-01-23 14:25:40,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:40,410 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:25:40,410 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:25:40,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:25:40,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:25:40,411 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:40,411 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:40,411 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:40,411 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:40,411 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:40,411 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:40,411 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:40,411 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-23 14:25:40,411 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:40,412 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-01-23 14:25:40,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-23 14:25:40,413 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:40,413 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:25:40,413 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:25:40,413 INFO L82 PathProgramCache]: Analyzing trace with hash 973806711, now seen corresponding path program 1 times [2018-01-23 14:25:40,413 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:40,413 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:40,414 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:40,414 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:40,414 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:40,417 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:40,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:25:40,420 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:40,420 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:40,421 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:25:40,421 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:25:40,421 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:40,421 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2018-01-23 14:25:40,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:40,427 INFO L93 Difference]: Finished difference Result 334 states and 402 transitions. [2018-01-23 14:25:40,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:25:40,427 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-01-23 14:25:40,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:40,428 INFO L225 Difference]: With dead ends: 334 [2018-01-23 14:25:40,428 INFO L226 Difference]: Without dead ends: 156 [2018-01-23 14:25:40,429 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:40,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-01-23 14:25:40,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-01-23 14:25:40,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-01-23 14:25:40,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 171 transitions. [2018-01-23 14:25:40,435 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 171 transitions. Word has length 18 [2018-01-23 14:25:40,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:40,436 INFO L432 AbstractCegarLoop]: Abstraction has 156 states and 171 transitions. [2018-01-23 14:25:40,436 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:25:40,436 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 171 transitions. [2018-01-23 14:25:40,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-01-23 14:25:40,437 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:40,437 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] [2018-01-23 14:25:40,437 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:25:40,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1352881344, now seen corresponding path program 1 times [2018-01-23 14:25:40,438 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:40,438 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:40,438 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:40,438 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:40,438 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:40,448 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:40,483 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:40,483 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:40,483 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:40,509 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:40,628 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:40,667 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 [2018-01-23 14:25:40,689 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:25:40,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 13 [2018-01-23 14:25:40,690 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:25:40,702 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:25:40,702 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-23 14:25:40,733 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((v_prenex_5 Int)) (and (<= (select |c_old(#valid)| v_prenex_5) 0) (= |c_#valid| (store |c_old(#valid)| v_prenex_5 1))))) is different from true [2018-01-23 14:25:40,789 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-23 14:25:40,811 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:40,811 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:25:40,812 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:25:40,812 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:25:40,812 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-23 14:25:40,812 INFO L87 Difference]: Start difference. First operand 156 states and 171 transitions. Second operand 6 states. [2018-01-23 14:25:40,903 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1))))) is different from true [2018-01-23 14:25:40,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:40,908 INFO L93 Difference]: Finished difference Result 172 states and 191 transitions. [2018-01-23 14:25:40,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:25:40,908 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 240 [2018-01-23 14:25:40,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:40,909 INFO L225 Difference]: With dead ends: 172 [2018-01-23 14:25:40,909 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:25:40,909 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=14, Unknown=3, NotChecked=24, Total=56 [2018-01-23 14:25:40,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:25:40,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:25:40,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:25:40,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:25:40,910 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 240 [2018-01-23 14:25:40,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:40,910 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:25:40,910 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:25:40,910 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:25:40,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:25:40,911 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:40,912 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:40,912 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:40,912 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:40,912 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:40,912 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:40,912 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:40,912 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l2_destroyErr0EnsuresViolation======== [2018-01-23 14:25:40,912 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:40,914 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-01-23 14:25:40,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-23 14:25:40,914 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:40,914 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:25:40,915 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l2_destroyErr0EnsuresViolation]=== [2018-01-23 14:25:40,915 INFO L82 PathProgramCache]: Analyzing trace with hash 734527318, now seen corresponding path program 1 times [2018-01-23 14:25:40,915 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:40,915 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:40,915 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:40,916 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:40,916 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:40,919 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:40,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:25:40,923 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:40,923 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:40,923 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:25:40,923 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:25:40,923 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:40,924 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2018-01-23 14:25:40,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:40,931 INFO L93 Difference]: Finished difference Result 334 states and 402 transitions. [2018-01-23 14:25:40,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:25:40,931 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-01-23 14:25:40,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:40,932 INFO L225 Difference]: With dead ends: 334 [2018-01-23 14:25:40,932 INFO L226 Difference]: Without dead ends: 150 [2018-01-23 14:25:40,932 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:40,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-01-23 14:25:40,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-01-23 14:25:40,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-01-23 14:25:40,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 165 transitions. [2018-01-23 14:25:40,937 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 165 transitions. Word has length 21 [2018-01-23 14:25:40,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:40,938 INFO L432 AbstractCegarLoop]: Abstraction has 150 states and 165 transitions. [2018-01-23 14:25:40,938 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:25:40,938 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 165 transitions. [2018-01-23 14:25:40,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-01-23 14:25:40,939 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:40,939 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] [2018-01-23 14:25:40,939 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l2_destroyErr0EnsuresViolation]=== [2018-01-23 14:25:40,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1853297976, now seen corresponding path program 1 times [2018-01-23 14:25:40,939 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:40,940 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:40,940 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:40,940 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:40,940 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:40,950 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:40,982 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-23 14:25:40,982 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:25:40,982 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:25:40,989 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:41,095 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:25:41,142 WARN L1029 $PredicateComparison]: unable to prove that (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1)))) is different from true [2018-01-23 14:25:41,161 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:25:41,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 13 [2018-01-23 14:25:41,162 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:25:41,173 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:25:41,173 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-23 14:25:41,190 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((v_prenex_6 Int)) (and (= |c_#valid| (store |c_old(#valid)| v_prenex_6 1)) (<= (select |c_old(#valid)| v_prenex_6) 0)))) is different from true [2018-01-23 14:25:41,213 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-01-23 14:25:41,234 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:41,234 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:25:41,234 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:25:41,234 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:25:41,234 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2018-01-23 14:25:41,235 INFO L87 Difference]: Start difference. First operand 150 states and 165 transitions. Second operand 6 states. [2018-01-23 14:25:41,257 WARN L1029 $PredicateComparison]: unable to prove that (and (exists ((|calloc_model_#t~malloc0.base| Int)) (= (select |c_#valid| |calloc_model_#t~malloc0.base|) 1)) (exists ((|calloc_model_#t~malloc0.base| Int)) (and (<= (select |c_old(#valid)| |calloc_model_#t~malloc0.base|) 0) (= |c_#valid| (store |c_old(#valid)| |calloc_model_#t~malloc0.base| 1))))) is different from true [2018-01-23 14:25:41,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:41,261 INFO L93 Difference]: Finished difference Result 166 states and 185 transitions. [2018-01-23 14:25:41,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:25:41,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 219 [2018-01-23 14:25:41,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:41,262 INFO L225 Difference]: With dead ends: 166 [2018-01-23 14:25:41,262 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:25:41,263 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=14, Unknown=3, NotChecked=24, Total=56 [2018-01-23 14:25:41,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:25:41,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:25:41,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:25:41,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:25:41,263 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2018-01-23 14:25:41,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:41,264 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:25:41,264 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:25:41,264 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:25:41,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:25:41,271 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[calloc_model_#t~malloc0.base,QUANTIFIED] [2018-01-23 14:25:41,272 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[calloc_model_#t~malloc0.base,QUANTIFIED] [2018-01-23 14:25:41,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.01 02:25:41 BoogieIcfgContainer [2018-01-23 14:25:41,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-23 14:25:41,274 INFO L168 Benchmark]: Toolchain (without parser) took 9097.88 ms. Allocated memory was 307.8 MB in the beginning and 700.4 MB in the end (delta: 392.7 MB). Free memory was 266.7 MB in the beginning and 435.5 MB in the end (delta: -168.8 MB). Peak memory consumption was 223.9 MB. Max. memory is 5.3 GB. [2018-01-23 14:25:41,275 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 307.8 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 14:25:41,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.38 ms. Allocated memory is still 307.8 MB. Free memory was 266.7 MB in the beginning and 254.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:25:41,276 INFO L168 Benchmark]: Boogie Preprocessor took 67.45 ms. Allocated memory is still 307.8 MB. Free memory was 254.7 MB in the beginning and 250.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:25:41,277 INFO L168 Benchmark]: RCFGBuilder took 544.09 ms. Allocated memory is still 307.8 MB. Free memory was 250.7 MB in the beginning and 211.8 MB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 5.3 GB. [2018-01-23 14:25:41,277 INFO L168 Benchmark]: TraceAbstraction took 8254.79 ms. Allocated memory was 307.8 MB in the beginning and 700.4 MB in the end (delta: 392.7 MB). Free memory was 211.8 MB in the beginning and 435.5 MB in the end (delta: -223.7 MB). Peak memory consumption was 169.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:25:41,279 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 272.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 223.38 ms. Allocated memory is still 307.8 MB. Free memory was 266.7 MB in the beginning and 254.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 67.45 ms. Allocated memory is still 307.8 MB. Free memory was 254.7 MB in the beginning and 250.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 544.09 ms. Allocated memory is still 307.8 MB. Free memory was 250.7 MB in the beginning and 211.8 MB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 8254.79 ms. Allocated memory was 307.8 MB in the beginning and 700.4 MB in the end (delta: 392.7 MB). Free memory was 211.8 MB in the beginning and 435.5 MB in the end (delta: -223.7 MB). Peak memory consumption was 169.0 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: 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: l3_destroyErr0EnsuresViolation CFG has 16 procedures, 171 locations, 15 error locations. SAFE Result, 1.5s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 205 SDtfs, 16 SDslu, 3 SDs, 0 SdLazy, 10 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 216 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred 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, 83 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 447 NumberOfCodeBlocks, 447 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 234 ConstructedInterpolants, 8 QuantifiedInterpolants, 62736 SizeOfPredicates, 3 NumberOfNonLiveVariables, 866 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: 806]: 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, 171 locations, 15 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 268 SDtfs, 13 SDslu, 3 SDs, 0 SdLazy, 25 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred 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, 418 NumberOfCodeBlocks, 418 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 207 ConstructedInterpolants, 0 QuantifiedInterpolants, 67415 SizeOfPredicates, 0 NumberOfNonLiveVariables, 909 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: 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: l4_destroyErr0EnsuresViolation CFG has 16 procedures, 171 locations, 15 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 205 SDtfs, 14 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred 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, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 435 NumberOfCodeBlocks, 435 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 230 ConstructedInterpolants, 8 QuantifiedInterpolants, 58960 SizeOfPredicates, 3 NumberOfNonLiveVariables, 842 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: 788]: 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, 171 locations, 15 error locations. SAFE Result, 0.5s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 268 SDtfs, 33 SDslu, 3 SDs, 0 SdLazy, 25 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred 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, 474 NumberOfCodeBlocks, 474 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 235 ConstructedInterpolants, 0 QuantifiedInterpolants, 51143 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1091 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: 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: mainErr0EnsuresViolation CFG has 16 procedures, 171 locations, 15 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 328 SDtfs, 38 SDslu, 41 SDs, 0 SdLazy, 44 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred 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, 492 NumberOfCodeBlocks, 492 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 110904 SizeOfPredicates, 0 NumberOfNonLiveVariables, 941 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: 779]: 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, 171 locations, 15 error locations. SAFE Result, 0.7s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 268 SDtfs, 43 SDslu, 3 SDs, 0 SdLazy, 25 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 249 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred 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, 0.2s InterpolantComputationTime, 502 NumberOfCodeBlocks, 502 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 45611 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1182 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: 797]: 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, 171 locations, 15 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 268 SDtfs, 23 SDslu, 3 SDs, 0 SdLazy, 25 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred 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, 446 NumberOfCodeBlocks, 446 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 58411 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1000 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: 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: l0_destroyErr0EnsuresViolation CFG has 16 procedures, 171 locations, 15 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 205 SDtfs, 14 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred 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, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 483 NumberOfCodeBlocks, 483 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 246 ConstructedInterpolants, 8 QuantifiedInterpolants, 75024 SizeOfPredicates, 3 NumberOfNonLiveVariables, 938 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, 171 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=171occurred 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: 772]: 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, 171 locations, 15 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 6 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 152 SDtfs, 85 SDslu, 41 SDs, 0 SdLazy, 54 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred 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, 115 PreInvPairs, 157 NumberOfFragments, 107 HoareAnnotationTreeSize, 115 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 26931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 680 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 255/255 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 765]: 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, 171 locations, 15 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 152 SDtfs, 94 SDslu, 41 SDs, 0 SdLazy, 54 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred 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, 115 PreInvPairs, 157 NumberOfFragments, 107 HoareAnnotationTreeSize, 115 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 988 SizeOfPredicates, 0 NumberOfNonLiveVariables, 150 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: IVAL [\old(list)=7, \old(list)=5, list={7:5}] [L866] FCALL static struct L0 *list; VAL [\old(list)=5, \old(list)=7, list={8:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 16 procedures, 171 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=171occurred 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: 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: l1_destroyErr0EnsuresViolation CFG has 16 procedures, 171 locations, 15 error locations. SAFE Result, 0.4s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 205 SDtfs, 14 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 231 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred 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, 471 NumberOfCodeBlocks, 471 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 242 ConstructedInterpolants, 8 QuantifiedInterpolants, 70768 SizeOfPredicates, 3 NumberOfNonLiveVariables, 914 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, 171 locations, 15 error locations. SAFE Result, 0.4s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 205 SDtfs, 14 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 498 NumberOfCodeBlocks, 498 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 256 ConstructedInterpolants, 8 QuantifiedInterpolants, 77964 SizeOfPredicates, 3 NumberOfNonLiveVariables, 944 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: 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: l2_destroyErr0EnsuresViolation CFG has 16 procedures, 171 locations, 15 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 205 SDtfs, 14 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 223 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred 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, 459 NumberOfCodeBlocks, 459 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 238 ConstructedInterpolants, 8 QuantifiedInterpolants, 66672 SizeOfPredicates, 3 NumberOfNonLiveVariables, 890 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: 800]: Loop Invariant Derived loop invariant: \valid == \old(\valid) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 826]: 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: 791]: Loop Invariant Derived loop invariant: \valid == \old(\valid) - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: \valid == \old(\valid) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 809]: Loop Invariant [2018-01-23 14:25:41,291 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[calloc_model_#t~malloc0.base,QUANTIFIED] [2018-01-23 14:25:41,292 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]) RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0234_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-23_14-25-41-297.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0234_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-23_14-25-41-297.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0234_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-23_14-25-41-297.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0234_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-23_14-25-41-297.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0234_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-23_14-25-41-297.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0234_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-23_14-25-41-297.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0234_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-23_14-25-41-297.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0234_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-23_14-25-41-297.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0234_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-23_14-25-41-297.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0234_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-23_14-25-41-297.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0234_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-23_14-25-41-297.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0234_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-23_14-25-41-297.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0234_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-23_14-25-41-297.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0234_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-23_14-25-41-297.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0234_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-23_14-25-41-297.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0234_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-14-2018-01-23_14-25-41-297.csv Received shutdown request...