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/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/memory-alloca/c.03-alloca_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 13:32:59,829 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 13:32:59,830 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 13:32:59,843 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 13:32:59,843 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 13:32:59,844 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 13:32:59,844 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 13:32:59,846 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 13:32:59,847 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 13:32:59,848 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 13:32:59,849 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 13:32:59,849 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 13:32:59,850 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 13:32:59,851 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 13:32:59,851 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 13:32:59,853 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 13:32:59,855 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 13:32:59,856 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 13:32:59,857 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 13:32:59,858 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 13:32:59,859 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 13:32:59,859 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 13:32:59,859 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 13:32:59,860 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 13:32:59,861 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 13:32:59,862 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 13:32:59,862 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 13:32:59,862 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 13:32:59,863 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 13:32:59,863 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 13:32:59,863 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 13:32:59,863 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-02-04 13:32:59,872 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 13:32:59,873 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 13:32:59,873 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 13:32:59,874 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 13:32:59,874 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 13:32:59,874 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 13:32:59,874 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 13:32:59,874 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 13:32:59,874 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 13:32:59,875 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 13:32:59,875 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 13:32:59,875 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 13:32:59,875 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 13:32:59,875 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 13:32:59,875 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 13:32:59,875 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 13:32:59,876 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 13:32:59,876 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 13:32:59,876 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 13:32:59,876 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 13:32:59,876 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 13:32:59,876 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-04 13:32:59,876 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-04 13:32:59,877 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-02-04 13:32:59,906 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 13:32:59,916 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 13:32:59,920 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 13:32:59,921 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 13:32:59,921 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 13:32:59,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memory-alloca/c.03-alloca_true-valid-memsafety.i [2018-02-04 13:33:00,037 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 13:33:00,038 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 13:33:00,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 13:33:00,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 13:33:00,042 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 13:33:00,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 01:33:00" (1/1) ... [2018-02-04 13:33:00,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb25181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:33:00, skipping insertion in model container [2018-02-04 13:33:00,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 01:33:00" (1/1) ... [2018-02-04 13:33:00,054 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 13:33:00,078 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 13:33:00,161 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 13:33:00,174 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 13:33:00,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:33:00 WrapperNode [2018-02-04 13:33:00,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 13:33:00,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 13:33:00,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 13:33:00,180 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 13:33:00,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:33:00" (1/1) ... [2018-02-04 13:33:00,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:33:00" (1/1) ... [2018-02-04 13:33:00,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:33:00" (1/1) ... [2018-02-04 13:33:00,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:33:00" (1/1) ... [2018-02-04 13:33:00,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:33:00" (1/1) ... [2018-02-04 13:33:00,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:33:00" (1/1) ... [2018-02-04 13:33:00,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:33:00" (1/1) ... [2018-02-04 13:33:00,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 13:33:00,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 13:33:00,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 13:33:00,204 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 13:33:00,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:33:00" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-02-04 13:33:00,238 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 13:33:00,239 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 13:33:00,239 INFO L136 BoogieDeclarations]: Found implementation of procedure test_fun [2018-02-04 13:33:00,239 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 13:33:00,239 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 13:33:00,239 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 13:33:00,239 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 13:33:00,239 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 13:33:00,240 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 13:33:00,240 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 13:33:00,240 INFO L128 BoogieDeclarations]: Found specification of procedure test_fun [2018-02-04 13:33:00,240 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 13:33:00,240 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 13:33:00,240 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 13:33:00,431 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 13:33:00,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 01:33:00 BoogieIcfgContainer [2018-02-04 13:33:00,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 13:33:00,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 13:33:00,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 13:33:00,434 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 13:33:00,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 01:33:00" (1/3) ... [2018-02-04 13:33:00,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b6835d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 01:33:00, skipping insertion in model container [2018-02-04 13:33:00,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:33:00" (2/3) ... [2018-02-04 13:33:00,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b6835d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 01:33:00, skipping insertion in model container [2018-02-04 13:33:00,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 01:33:00" (3/3) ... [2018-02-04 13:33:00,436 INFO L107 eAbstractionObserver]: Analyzing ICFG c.03-alloca_true-valid-memsafety.i [2018-02-04 13:33:00,441 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-04 13:33:00,446 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2018-02-04 13:33:00,480 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 13:33:00,480 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 13:33:00,480 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-04 13:33:00,480 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-04 13:33:00,480 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 13:33:00,480 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 13:33:00,480 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 13:33:00,481 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 13:33:00,481 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 13:33:00,491 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2018-02-04 13:33:00,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-04 13:33:00,500 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 13:33:00,500 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 13:33:00,500 INFO L371 AbstractCegarLoop]: === Iteration 1 === [test_funErr27RequiresViolation, test_funErr17RequiresViolation, test_funErr4RequiresViolation, test_funErr7RequiresViolation, test_funErr12RequiresViolation, test_funErr9RequiresViolation, test_funErr14RequiresViolation, test_funErr22RequiresViolation, test_funErr2RequiresViolation, test_funErr19RequiresViolation, test_funErr6RequiresViolation, test_funErr20RequiresViolation, test_funErr29RequiresViolation, test_funErr16RequiresViolation, test_funErr3RequiresViolation, test_funErr26RequiresViolation, test_funErr8RequiresViolation, test_funErr13RequiresViolation, test_funErr23RequiresViolation, test_funErr5RequiresViolation, test_funErr10RequiresViolation, test_funErr0RequiresViolation, test_funErr11RequiresViolation, test_funErr24RequiresViolation, test_funErr15RequiresViolation, test_funErr25RequiresViolation, test_funErr28RequiresViolation, test_funErr1RequiresViolation, test_funErr18RequiresViolation, test_funErr21RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 13:33:00,504 INFO L82 PathProgramCache]: Analyzing trace with hash 2127926480, now seen corresponding path program 1 times [2018-02-04 13:33:00,505 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 13:33:00,506 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 13:33:00,541 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 13:33:00,541 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 13:33:00,541 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 13:33:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 13:33:00,598 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 13:33:00,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 13:33:00,765 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 13:33:00,765 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 13:33:00,766 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 13:33:00,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 13:33:00,774 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 13:33:00,776 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 4 states. [2018-02-04 13:33:00,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 13:33:00,924 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2018-02-04 13:33:00,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 13:33:00,925 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-02-04 13:33:00,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 13:33:00,933 INFO L225 Difference]: With dead ends: 79 [2018-02-04 13:33:00,934 INFO L226 Difference]: Without dead ends: 76 [2018-02-04 13:33:00,935 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 13:33:00,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-02-04 13:33:00,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-02-04 13:33:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-02-04 13:33:00,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 77 transitions. [2018-02-04 13:33:00,966 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 77 transitions. Word has length 17 [2018-02-04 13:33:00,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 13:33:00,966 INFO L432 AbstractCegarLoop]: Abstraction has 76 states and 77 transitions. [2018-02-04 13:33:00,966 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 13:33:00,966 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2018-02-04 13:33:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-04 13:33:00,967 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 13:33:00,967 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 13:33:00,967 INFO L371 AbstractCegarLoop]: === Iteration 2 === [test_funErr27RequiresViolation, test_funErr17RequiresViolation, test_funErr4RequiresViolation, test_funErr7RequiresViolation, test_funErr12RequiresViolation, test_funErr9RequiresViolation, test_funErr14RequiresViolation, test_funErr22RequiresViolation, test_funErr2RequiresViolation, test_funErr19RequiresViolation, test_funErr6RequiresViolation, test_funErr20RequiresViolation, test_funErr29RequiresViolation, test_funErr16RequiresViolation, test_funErr3RequiresViolation, test_funErr26RequiresViolation, test_funErr8RequiresViolation, test_funErr13RequiresViolation, test_funErr23RequiresViolation, test_funErr5RequiresViolation, test_funErr10RequiresViolation, test_funErr0RequiresViolation, test_funErr11RequiresViolation, test_funErr24RequiresViolation, test_funErr15RequiresViolation, test_funErr25RequiresViolation, test_funErr28RequiresViolation, test_funErr1RequiresViolation, test_funErr18RequiresViolation, test_funErr21RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 13:33:00,967 INFO L82 PathProgramCache]: Analyzing trace with hash 2127926481, now seen corresponding path program 1 times [2018-02-04 13:33:00,968 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 13:33:00,968 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 13:33:00,969 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 13:33:00,969 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 13:33:00,969 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 13:33:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 13:33:00,985 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 13:33:01,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 13:33:01,052 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 13:33:01,052 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 13:33:01,053 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 13:33:01,054 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 13:33:01,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-02-04 13:33:01,054 INFO L87 Difference]: Start difference. First operand 76 states and 77 transitions. Second operand 5 states. [2018-02-04 13:33:01,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 13:33:01,166 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2018-02-04 13:33:01,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 13:33:01,167 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-02-04 13:33:01,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 13:33:01,167 INFO L225 Difference]: With dead ends: 71 [2018-02-04 13:33:01,167 INFO L226 Difference]: Without dead ends: 71 [2018-02-04 13:33:01,168 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-02-04 13:33:01,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-02-04 13:33:01,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-02-04 13:33:01,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-02-04 13:33:01,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2018-02-04 13:33:01,172 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 17 [2018-02-04 13:33:01,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 13:33:01,172 INFO L432 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2018-02-04 13:33:01,172 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 13:33:01,173 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-02-04 13:33:01,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 13:33:01,173 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 13:33:01,173 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 13:33:01,173 INFO L371 AbstractCegarLoop]: === Iteration 3 === [test_funErr27RequiresViolation, test_funErr17RequiresViolation, test_funErr4RequiresViolation, test_funErr7RequiresViolation, test_funErr12RequiresViolation, test_funErr9RequiresViolation, test_funErr14RequiresViolation, test_funErr22RequiresViolation, test_funErr2RequiresViolation, test_funErr19RequiresViolation, test_funErr6RequiresViolation, test_funErr20RequiresViolation, test_funErr29RequiresViolation, test_funErr16RequiresViolation, test_funErr3RequiresViolation, test_funErr26RequiresViolation, test_funErr8RequiresViolation, test_funErr13RequiresViolation, test_funErr23RequiresViolation, test_funErr5RequiresViolation, test_funErr10RequiresViolation, test_funErr0RequiresViolation, test_funErr11RequiresViolation, test_funErr24RequiresViolation, test_funErr15RequiresViolation, test_funErr25RequiresViolation, test_funErr28RequiresViolation, test_funErr1RequiresViolation, test_funErr18RequiresViolation, test_funErr21RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 13:33:01,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1541211425, now seen corresponding path program 1 times [2018-02-04 13:33:01,174 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 13:33:01,174 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 13:33:01,175 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 13:33:01,175 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 13:33:01,175 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 13:33:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 13:33:01,192 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 13:33:01,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 13:33:01,248 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 13:33:01,248 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 13:33:01,248 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 13:33:01,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 13:33:01,249 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-02-04 13:33:01,249 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand 5 states. [2018-02-04 13:33:01,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 13:33:01,447 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2018-02-04 13:33:01,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 13:33:01,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-02-04 13:33:01,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 13:33:01,453 INFO L225 Difference]: With dead ends: 67 [2018-02-04 13:33:01,453 INFO L226 Difference]: Without dead ends: 67 [2018-02-04 13:33:01,453 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-02-04 13:33:01,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-02-04 13:33:01,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-02-04 13:33:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-02-04 13:33:01,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2018-02-04 13:33:01,462 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 18 [2018-02-04 13:33:01,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 13:33:01,465 INFO L432 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2018-02-04 13:33:01,465 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 13:33:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-02-04 13:33:01,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 13:33:01,466 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 13:33:01,466 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 13:33:01,466 INFO L371 AbstractCegarLoop]: === Iteration 4 === [test_funErr27RequiresViolation, test_funErr17RequiresViolation, test_funErr4RequiresViolation, test_funErr7RequiresViolation, test_funErr12RequiresViolation, test_funErr9RequiresViolation, test_funErr14RequiresViolation, test_funErr22RequiresViolation, test_funErr2RequiresViolation, test_funErr19RequiresViolation, test_funErr6RequiresViolation, test_funErr20RequiresViolation, test_funErr29RequiresViolation, test_funErr16RequiresViolation, test_funErr3RequiresViolation, test_funErr26RequiresViolation, test_funErr8RequiresViolation, test_funErr13RequiresViolation, test_funErr23RequiresViolation, test_funErr5RequiresViolation, test_funErr10RequiresViolation, test_funErr0RequiresViolation, test_funErr11RequiresViolation, test_funErr24RequiresViolation, test_funErr15RequiresViolation, test_funErr25RequiresViolation, test_funErr28RequiresViolation, test_funErr1RequiresViolation, test_funErr18RequiresViolation, test_funErr21RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 13:33:01,466 INFO L82 PathProgramCache]: Analyzing trace with hash 532913875, now seen corresponding path program 1 times [2018-02-04 13:33:01,466 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 13:33:01,466 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 13:33:01,468 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 13:33:01,468 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 13:33:01,468 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 13:33:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 13:33:01,483 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 13:33:01,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 13:33:01,515 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 13:33:01,515 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 13:33:01,516 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 13:33:01,516 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 13:33:01,516 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 13:33:01,516 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand 4 states. [2018-02-04 13:33:01,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 13:33:01,555 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2018-02-04 13:33:01,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 13:33:01,555 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-02-04 13:33:01,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 13:33:01,555 INFO L225 Difference]: With dead ends: 63 [2018-02-04 13:33:01,556 INFO L226 Difference]: Without dead ends: 63 [2018-02-04 13:33:01,556 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 13:33:01,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-02-04 13:33:01,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-02-04 13:33:01,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-02-04 13:33:01,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2018-02-04 13:33:01,559 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 19 [2018-02-04 13:33:01,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 13:33:01,559 INFO L432 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2018-02-04 13:33:01,559 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 13:33:01,559 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-02-04 13:33:01,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 13:33:01,559 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 13:33:01,559 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 13:33:01,560 INFO L371 AbstractCegarLoop]: === Iteration 5 === [test_funErr27RequiresViolation, test_funErr17RequiresViolation, test_funErr4RequiresViolation, test_funErr7RequiresViolation, test_funErr12RequiresViolation, test_funErr9RequiresViolation, test_funErr14RequiresViolation, test_funErr22RequiresViolation, test_funErr2RequiresViolation, test_funErr19RequiresViolation, test_funErr6RequiresViolation, test_funErr20RequiresViolation, test_funErr29RequiresViolation, test_funErr16RequiresViolation, test_funErr3RequiresViolation, test_funErr26RequiresViolation, test_funErr8RequiresViolation, test_funErr13RequiresViolation, test_funErr23RequiresViolation, test_funErr5RequiresViolation, test_funErr10RequiresViolation, test_funErr0RequiresViolation, test_funErr11RequiresViolation, test_funErr24RequiresViolation, test_funErr15RequiresViolation, test_funErr25RequiresViolation, test_funErr28RequiresViolation, test_funErr1RequiresViolation, test_funErr18RequiresViolation, test_funErr21RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 13:33:01,560 INFO L82 PathProgramCache]: Analyzing trace with hash 532913876, now seen corresponding path program 1 times [2018-02-04 13:33:01,560 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 13:33:01,560 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 13:33:01,560 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 13:33:01,561 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 13:33:01,561 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 13:33:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 13:33:01,570 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 13:33:01,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 13:33:01,687 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 13:33:01,687 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 13:33:01,687 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 13:33:01,687 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 13:33:01,688 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-02-04 13:33:01,688 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 8 states. [2018-02-04 13:33:01,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 13:33:01,811 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2018-02-04 13:33:01,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 13:33:01,811 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-02-04 13:33:01,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 13:33:01,812 INFO L225 Difference]: With dead ends: 59 [2018-02-04 13:33:01,812 INFO L226 Difference]: Without dead ends: 59 [2018-02-04 13:33:01,812 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-02-04 13:33:01,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-02-04 13:33:01,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-02-04 13:33:01,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-02-04 13:33:01,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2018-02-04 13:33:01,814 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 19 [2018-02-04 13:33:01,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 13:33:01,815 INFO L432 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2018-02-04 13:33:01,815 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 13:33:01,815 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-02-04 13:33:01,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-04 13:33:01,815 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 13:33:01,815 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 13:33:01,815 INFO L371 AbstractCegarLoop]: === Iteration 6 === [test_funErr27RequiresViolation, test_funErr17RequiresViolation, test_funErr4RequiresViolation, test_funErr7RequiresViolation, test_funErr12RequiresViolation, test_funErr9RequiresViolation, test_funErr14RequiresViolation, test_funErr22RequiresViolation, test_funErr2RequiresViolation, test_funErr19RequiresViolation, test_funErr6RequiresViolation, test_funErr20RequiresViolation, test_funErr29RequiresViolation, test_funErr16RequiresViolation, test_funErr3RequiresViolation, test_funErr26RequiresViolation, test_funErr8RequiresViolation, test_funErr13RequiresViolation, test_funErr23RequiresViolation, test_funErr5RequiresViolation, test_funErr10RequiresViolation, test_funErr0RequiresViolation, test_funErr11RequiresViolation, test_funErr24RequiresViolation, test_funErr15RequiresViolation, test_funErr25RequiresViolation, test_funErr28RequiresViolation, test_funErr1RequiresViolation, test_funErr18RequiresViolation, test_funErr21RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 13:33:01,815 INFO L82 PathProgramCache]: Analyzing trace with hash -659539069, now seen corresponding path program 1 times [2018-02-04 13:33:01,815 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 13:33:01,815 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 13:33:01,816 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 13:33:01,816 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 13:33:01,816 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 13:33:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 13:33:01,822 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 13:33:01,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 13:33:01,844 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 13:33:01,844 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 13:33:01,845 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 13:33:01,845 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 13:33:01,845 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 13:33:01,845 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 4 states. [2018-02-04 13:33:01,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 13:33:01,899 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2018-02-04 13:33:01,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 13:33:01,900 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-02-04 13:33:01,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 13:33:01,900 INFO L225 Difference]: With dead ends: 55 [2018-02-04 13:33:01,900 INFO L226 Difference]: Without dead ends: 55 [2018-02-04 13:33:01,900 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 13:33:01,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-02-04 13:33:01,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-02-04 13:33:01,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-02-04 13:33:01,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2018-02-04 13:33:01,902 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 20 [2018-02-04 13:33:01,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 13:33:01,903 INFO L432 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2018-02-04 13:33:01,903 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 13:33:01,903 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-02-04 13:33:01,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-04 13:33:01,903 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 13:33:01,903 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 13:33:01,903 INFO L371 AbstractCegarLoop]: === Iteration 7 === [test_funErr27RequiresViolation, test_funErr17RequiresViolation, test_funErr4RequiresViolation, test_funErr7RequiresViolation, test_funErr12RequiresViolation, test_funErr9RequiresViolation, test_funErr14RequiresViolation, test_funErr22RequiresViolation, test_funErr2RequiresViolation, test_funErr19RequiresViolation, test_funErr6RequiresViolation, test_funErr20RequiresViolation, test_funErr29RequiresViolation, test_funErr16RequiresViolation, test_funErr3RequiresViolation, test_funErr26RequiresViolation, test_funErr8RequiresViolation, test_funErr13RequiresViolation, test_funErr23RequiresViolation, test_funErr5RequiresViolation, test_funErr10RequiresViolation, test_funErr0RequiresViolation, test_funErr11RequiresViolation, test_funErr24RequiresViolation, test_funErr15RequiresViolation, test_funErr25RequiresViolation, test_funErr28RequiresViolation, test_funErr1RequiresViolation, test_funErr18RequiresViolation, test_funErr21RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 13:33:01,903 INFO L82 PathProgramCache]: Analyzing trace with hash -659539068, now seen corresponding path program 1 times [2018-02-04 13:33:01,903 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 13:33:01,903 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 13:33:01,904 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 13:33:01,904 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 13:33:01,904 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 13:33:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 13:33:01,914 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 13:33:01,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 13:33:01,962 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 13:33:01,962 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 13:33:01,962 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 13:33:01,962 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 13:33:01,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 13:33:01,964 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand 4 states. [2018-02-04 13:33:02,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 13:33:02,008 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2018-02-04 13:33:02,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 13:33:02,008 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-02-04 13:33:02,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 13:33:02,009 INFO L225 Difference]: With dead ends: 51 [2018-02-04 13:33:02,009 INFO L226 Difference]: Without dead ends: 51 [2018-02-04 13:33:02,009 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 13:33:02,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-02-04 13:33:02,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-02-04 13:33:02,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-02-04 13:33:02,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2018-02-04 13:33:02,012 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 20 [2018-02-04 13:33:02,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 13:33:02,012 INFO L432 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2018-02-04 13:33:02,012 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 13:33:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-02-04 13:33:02,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-02-04 13:33:02,013 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 13:33:02,013 INFO L351 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, 1, 1, 1] [2018-02-04 13:33:02,013 INFO L371 AbstractCegarLoop]: === Iteration 8 === [test_funErr27RequiresViolation, test_funErr17RequiresViolation, test_funErr4RequiresViolation, test_funErr7RequiresViolation, test_funErr12RequiresViolation, test_funErr9RequiresViolation, test_funErr14RequiresViolation, test_funErr22RequiresViolation, test_funErr2RequiresViolation, test_funErr19RequiresViolation, test_funErr6RequiresViolation, test_funErr20RequiresViolation, test_funErr29RequiresViolation, test_funErr16RequiresViolation, test_funErr3RequiresViolation, test_funErr26RequiresViolation, test_funErr8RequiresViolation, test_funErr13RequiresViolation, test_funErr23RequiresViolation, test_funErr5RequiresViolation, test_funErr10RequiresViolation, test_funErr0RequiresViolation, test_funErr11RequiresViolation, test_funErr24RequiresViolation, test_funErr15RequiresViolation, test_funErr25RequiresViolation, test_funErr28RequiresViolation, test_funErr1RequiresViolation, test_funErr18RequiresViolation, test_funErr21RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 13:33:02,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1501734176, now seen corresponding path program 1 times [2018-02-04 13:33:02,014 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 13:33:02,014 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 13:33:02,015 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 13:33:02,015 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 13:33:02,015 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 13:33:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 13:33:02,036 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 13:33:02,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 13:33:02,612 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 13:33:02,612 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 13:33:02,613 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 13:33:02,613 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 13:33:02,613 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-02-04 13:33:02,613 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 10 states. [2018-02-04 13:33:03,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 13:33:03,092 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2018-02-04 13:33:03,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 13:33:03,093 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2018-02-04 13:33:03,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 13:33:03,094 INFO L225 Difference]: With dead ends: 50 [2018-02-04 13:33:03,094 INFO L226 Difference]: Without dead ends: 0 [2018-02-04 13:33:03,094 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-02-04 13:33:03,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-02-04 13:33:03,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-02-04 13:33:03,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-02-04 13:33:03,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-02-04 13:33:03,095 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-02-04 13:33:03,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 13:33:03,095 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-02-04 13:33:03,095 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 13:33:03,095 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-02-04 13:33:03,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-02-04 13:33:03,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 01:33:03 BoogieIcfgContainer [2018-02-04 13:33:03,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 13:33:03,103 INFO L168 Benchmark]: Toolchain (without parser) took 3065.08 ms. Allocated memory was 408.4 MB in the beginning and 667.9 MB in the end (delta: 259.5 MB). Free memory was 366.6 MB in the beginning and 563.3 MB in the end (delta: -196.7 MB). Peak memory consumption was 62.9 MB. Max. memory is 5.3 GB. [2018-02-04 13:33:03,104 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 408.4 MB. Free memory is still 371.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 13:33:03,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 141.48 ms. Allocated memory is still 408.4 MB. Free memory was 365.3 MB in the beginning and 354.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 13:33:03,104 INFO L168 Benchmark]: Boogie Preprocessor took 22.86 ms. Allocated memory is still 408.4 MB. Free memory was 354.7 MB in the beginning and 353.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 13:33:03,104 INFO L168 Benchmark]: RCFGBuilder took 228.02 ms. Allocated memory is still 408.4 MB. Free memory was 353.4 MB in the beginning and 330.1 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB. [2018-02-04 13:33:03,104 INFO L168 Benchmark]: TraceAbstraction took 2670.18 ms. Allocated memory was 408.4 MB in the beginning and 667.9 MB in the end (delta: 259.5 MB). Free memory was 328.8 MB in the beginning and 563.3 MB in the end (delta: -234.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. [2018-02-04 13:33:03,106 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 408.4 MB. Free memory is still 371.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 141.48 ms. Allocated memory is still 408.4 MB. Free memory was 365.3 MB in the beginning and 354.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 22.86 ms. Allocated memory is still 408.4 MB. Free memory was 354.7 MB in the beginning and 353.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 228.02 ms. Allocated memory is still 408.4 MB. Free memory was 353.4 MB in the beginning and 330.1 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2670.18 ms. Allocated memory was 408.4 MB in the beginning and 667.9 MB in the end (delta: 259.5 MB). Free memory was 328.8 MB in the beginning and 563.3 MB in the end (delta: -234.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 84 locations, 31 error locations. SAFE Result, 2.6s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 271 SDtfs, 648 SDslu, 388 SDs, 0 SdLazy, 610 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 13 SyntacticMatches, 8 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 67094 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/c.03-alloca_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_13-33-03-112.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/c.03-alloca_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_13-33-03-112.csv Received shutdown request...