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_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/list-ext-properties/list-ext_flag_1_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-a74eeac-m [2018-02-02 20:20:36,305 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 20:20:36,307 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 20:20:36,317 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 20:20:36,317 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 20:20:36,318 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 20:20:36,319 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 20:20:36,320 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 20:20:36,321 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 20:20:36,322 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 20:20:36,322 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 20:20:36,322 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 20:20:36,323 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 20:20:36,324 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 20:20:36,325 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 20:20:36,327 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 20:20:36,328 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 20:20:36,330 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 20:20:36,331 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 20:20:36,332 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 20:20:36,334 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-02 20:20:36,338 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 20:20:36,338 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 20:20:36,338 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-02-02 20:20:36,348 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 20:20:36,348 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 20:20:36,349 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 20:20:36,350 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 20:20:36,350 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 20:20:36,350 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 20:20:36,350 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 20:20:36,350 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 20:20:36,350 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 20:20:36,351 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 20:20:36,351 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 20:20:36,351 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 20:20:36,351 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 20:20:36,351 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 20:20:36,351 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 20:20:36,352 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 20:20:36,352 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 20:20:36,352 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 20:20:36,352 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 20:20:36,352 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 20:20:36,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 20:20:36,353 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 20:20:36,353 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-02 20:20:36,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 20:20:36,394 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 20:20:36,400 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 20:20:36,402 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 20:20:36,402 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 20:20:36,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/list-ext_flag_1_true-valid-memsafety.i [2018-02-02 20:20:36,545 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 20:20:36,546 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 20:20:36,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 20:20:36,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 20:20:36,553 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 20:20:36,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 08:20:36" (1/1) ... [2018-02-02 20:20:36,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a0ca9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:20:36, skipping insertion in model container [2018-02-02 20:20:36,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 08:20:36" (1/1) ... [2018-02-02 20:20:36,572 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 20:20:36,601 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 20:20:36,703 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 20:20:36,716 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 20:20:36,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:20:36 WrapperNode [2018-02-02 20:20:36,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 20:20:36,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 20:20:36,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 20:20:36,722 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 20:20:36,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:20:36" (1/1) ... [2018-02-02 20:20:36,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:20:36" (1/1) ... [2018-02-02 20:20:36,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:20:36" (1/1) ... [2018-02-02 20:20:36,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:20:36" (1/1) ... [2018-02-02 20:20:36,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:20:36" (1/1) ... [2018-02-02 20:20:36,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:20:36" (1/1) ... [2018-02-02 20:20:36,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:20:36" (1/1) ... [2018-02-02 20:20:36,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 20:20:36,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 20:20:36,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 20:20:36,746 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 20:20:36,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:20:36" (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 [2018-02-02 20:20:36,784 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 20:20:36,784 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 20:20:36,784 INFO L136 BoogieDeclarations]: Found implementation of procedure exit [2018-02-02 20:20:36,784 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 20:20:36,784 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 20:20:36,784 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 20:20:36,784 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 20:20:36,785 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 20:20:36,785 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 20:20:36,785 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 20:20:36,785 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 20:20:36,785 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-02 20:20:36,785 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 20:20:36,785 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 20:20:36,785 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 20:20:36,785 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-02-02 20:20:36,785 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 20:20:36,785 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 20:20:36,785 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 20:20:37,053 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 20:20:37,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 08:20:37 BoogieIcfgContainer [2018-02-02 20:20:37,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 20:20:37,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 20:20:37,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 20:20:37,060 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 20:20:37,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 08:20:36" (1/3) ... [2018-02-02 20:20:37,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db09c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 08:20:37, skipping insertion in model container [2018-02-02 20:20:37,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:20:36" (2/3) ... [2018-02-02 20:20:37,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db09c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 08:20:37, skipping insertion in model container [2018-02-02 20:20:37,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 08:20:37" (3/3) ... [2018-02-02 20:20:37,062 INFO L107 eAbstractionObserver]: Analyzing ICFG list-ext_flag_1_true-valid-memsafety.i [2018-02-02 20:20:37,067 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 20:20:37,072 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 37 error locations. [2018-02-02 20:20:37,094 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 20:20:37,094 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 20:20:37,094 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-02 20:20:37,094 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 20:20:37,095 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 20:20:37,095 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 20:20:37,095 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 20:20:37,095 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 20:20:37,096 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 20:20:37,106 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states. [2018-02-02 20:20:37,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-02-02 20:20:37,113 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:37,113 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:37,114 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:37,117 INFO L82 PathProgramCache]: Analyzing trace with hash 463338555, now seen corresponding path program 1 times [2018-02-02 20:20:37,164 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:37,199 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:37,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:37,229 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 20:20:37,230 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 20:20:37,230 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:37,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:37,231 INFO L182 omatonBuilderFactory]: Interpolants [100#true, 101#false] [2018-02-02 20:20:37,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:37,232 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-02-02 20:20:37,244 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-02-02 20:20:37,244 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-02-02 20:20:37,246 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 2 states. [2018-02-02 20:20:37,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:37,316 INFO L93 Difference]: Finished difference Result 97 states and 105 transitions. [2018-02-02 20:20:37,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-02-02 20:20:37,317 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-02-02 20:20:37,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:37,324 INFO L225 Difference]: With dead ends: 97 [2018-02-02 20:20:37,325 INFO L226 Difference]: Without dead ends: 89 [2018-02-02 20:20:37,326 INFO L554 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 [2018-02-02 20:20:37,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-02-02 20:20:37,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-02-02 20:20:37,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-02-02 20:20:37,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 94 transitions. [2018-02-02 20:20:37,356 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 94 transitions. Word has length 12 [2018-02-02 20:20:37,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:37,357 INFO L432 AbstractCegarLoop]: Abstraction has 89 states and 94 transitions. [2018-02-02 20:20:37,357 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-02-02 20:20:37,357 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 94 transitions. [2018-02-02 20:20:37,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-02 20:20:37,357 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:37,358 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:37,358 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:37,358 INFO L82 PathProgramCache]: Analyzing trace with hash -753673629, now seen corresponding path program 1 times [2018-02-02 20:20:37,359 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:37,373 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:37,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:37,416 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 20:20:37,416 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 20:20:37,417 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:37,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:37,417 INFO L182 omatonBuilderFactory]: Interpolants [288#true, 289#false, 290#(= 1 (select |#valid| |main_#t~malloc0.base|)), 291#(= 1 (select |#valid| main_~a~0.base)), 292#(= 1 (select |#valid| main_~p~0.base))] [2018-02-02 20:20:37,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:37,419 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 20:20:37,419 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 20:20:37,419 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 20:20:37,419 INFO L87 Difference]: Start difference. First operand 89 states and 94 transitions. Second operand 5 states. [2018-02-02 20:20:37,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:37,569 INFO L93 Difference]: Finished difference Result 97 states and 105 transitions. [2018-02-02 20:20:37,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 20:20:37,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-02-02 20:20:37,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:37,570 INFO L225 Difference]: With dead ends: 97 [2018-02-02 20:20:37,570 INFO L226 Difference]: Without dead ends: 97 [2018-02-02 20:20:37,571 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-02 20:20:37,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-02-02 20:20:37,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 85. [2018-02-02 20:20:37,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-02-02 20:20:37,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2018-02-02 20:20:37,577 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 15 [2018-02-02 20:20:37,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:37,578 INFO L432 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2018-02-02 20:20:37,578 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 20:20:37,578 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2018-02-02 20:20:37,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-02 20:20:37,578 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:37,579 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:37,579 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:37,579 INFO L82 PathProgramCache]: Analyzing trace with hash -753673628, now seen corresponding path program 1 times [2018-02-02 20:20:37,580 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:37,593 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:37,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:37,651 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 20:20:37,651 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 20:20:37,652 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:37,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:37,652 INFO L182 omatonBuilderFactory]: Interpolants [480#false, 481#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 482#(and (= 0 main_~a~0.offset) (= 12 (select |#length| main_~a~0.base))), 483#(and (= main_~p~0.offset 0) (= (select |#length| main_~p~0.base) 12)), 479#true] [2018-02-02 20:20:37,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:37,652 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 20:20:37,652 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 20:20:37,652 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 20:20:37,652 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 5 states. [2018-02-02 20:20:37,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:37,795 INFO L93 Difference]: Finished difference Result 118 states and 128 transitions. [2018-02-02 20:20:37,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 20:20:37,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-02-02 20:20:37,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:37,799 INFO L225 Difference]: With dead ends: 118 [2018-02-02 20:20:37,799 INFO L226 Difference]: Without dead ends: 118 [2018-02-02 20:20:37,799 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-02 20:20:37,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-02-02 20:20:37,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 110. [2018-02-02 20:20:37,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-02-02 20:20:37,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 121 transitions. [2018-02-02 20:20:37,805 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 121 transitions. Word has length 15 [2018-02-02 20:20:37,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:37,805 INFO L432 AbstractCegarLoop]: Abstraction has 110 states and 121 transitions. [2018-02-02 20:20:37,805 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 20:20:37,805 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 121 transitions. [2018-02-02 20:20:37,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-02-02 20:20:37,806 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:37,806 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] [2018-02-02 20:20:37,806 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:37,806 INFO L82 PathProgramCache]: Analyzing trace with hash 435110854, now seen corresponding path program 1 times [2018-02-02 20:20:37,807 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:37,826 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:37,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:37,905 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 20:20:37,905 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 20:20:37,905 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:37,906 INFO L182 omatonBuilderFactory]: Interpolants [720#(and (= (store |#valid| main_~a~0.base 0) |old(#valid)|) (not (= 0 main_~a~0.base))), 721#(and (= (store |#valid| main_~p~0.base 0) |old(#valid)|) (not (= 0 main_~p~0.base))), 716#true, 717#false, 718#(= |#valid| |old(#valid)|), 719#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|)))] [2018-02-02 20:20:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:37,906 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 20:20:37,907 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 20:20:37,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 20:20:37,907 INFO L87 Difference]: Start difference. First operand 110 states and 121 transitions. Second operand 6 states. [2018-02-02 20:20:38,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:38,138 INFO L93 Difference]: Finished difference Result 166 states and 182 transitions. [2018-02-02 20:20:38,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-02 20:20:38,139 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-02-02 20:20:38,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:38,140 INFO L225 Difference]: With dead ends: 166 [2018-02-02 20:20:38,140 INFO L226 Difference]: Without dead ends: 163 [2018-02-02 20:20:38,140 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-02-02 20:20:38,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-02-02 20:20:38,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 138. [2018-02-02 20:20:38,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-02-02 20:20:38,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 160 transitions. [2018-02-02 20:20:38,149 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 160 transitions. Word has length 28 [2018-02-02 20:20:38,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:38,150 INFO L432 AbstractCegarLoop]: Abstraction has 138 states and 160 transitions. [2018-02-02 20:20:38,150 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 20:20:38,150 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 160 transitions. [2018-02-02 20:20:38,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-02-02 20:20:38,151 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:38,151 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:38,151 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:38,151 INFO L82 PathProgramCache]: Analyzing trace with hash 560475115, now seen corresponding path program 1 times [2018-02-02 20:20:38,152 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:38,163 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:38,241 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 20:20:38,241 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-02 20:20:38,241 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:38,241 INFO L182 omatonBuilderFactory]: Interpolants [1040#(= 3 |main_#t~mem14|), 1034#true, 1035#false, 1036#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 1037#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 1038#(= 3 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)), 1039#(= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))] [2018-02-02 20:20:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:38,241 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-02 20:20:38,242 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-02 20:20:38,242 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-02-02 20:20:38,242 INFO L87 Difference]: Start difference. First operand 138 states and 160 transitions. Second operand 7 states. [2018-02-02 20:20:38,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:38,428 INFO L93 Difference]: Finished difference Result 146 states and 156 transitions. [2018-02-02 20:20:38,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-02 20:20:38,428 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-02-02 20:20:38,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:38,429 INFO L225 Difference]: With dead ends: 146 [2018-02-02 20:20:38,429 INFO L226 Difference]: Without dead ends: 146 [2018-02-02 20:20:38,430 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-02-02 20:20:38,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-02-02 20:20:38,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 119. [2018-02-02 20:20:38,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-02-02 20:20:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 130 transitions. [2018-02-02 20:20:38,436 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 130 transitions. Word has length 28 [2018-02-02 20:20:38,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:38,436 INFO L432 AbstractCegarLoop]: Abstraction has 119 states and 130 transitions. [2018-02-02 20:20:38,436 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-02 20:20:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 130 transitions. [2018-02-02 20:20:38,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-02 20:20:38,437 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:38,437 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-02 20:20:38,437 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:38,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1958112025, now seen corresponding path program 1 times [2018-02-02 20:20:38,438 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:38,451 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:38,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:38,503 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 20:20:38,503 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-02 20:20:38,503 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:38,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:38,503 INFO L182 omatonBuilderFactory]: Interpolants [1312#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))), 1313#(= 1 (select |#valid| |main_#t~mem11.base|)), 1314#(= 1 (select |#valid| main_~p~0.base)), 1308#true, 1309#false, 1310#(= 1 (select |#valid| |main_#t~malloc9.base|)), 1311#(= 1 (select |#valid| main_~t~0.base))] [2018-02-02 20:20:38,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:38,504 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-02 20:20:38,504 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-02 20:20:38,504 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-02 20:20:38,504 INFO L87 Difference]: Start difference. First operand 119 states and 130 transitions. Second operand 7 states. [2018-02-02 20:20:38,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:38,654 INFO L93 Difference]: Finished difference Result 120 states and 131 transitions. [2018-02-02 20:20:38,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-02 20:20:38,655 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-02-02 20:20:38,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:38,656 INFO L225 Difference]: With dead ends: 120 [2018-02-02 20:20:38,656 INFO L226 Difference]: Without dead ends: 120 [2018-02-02 20:20:38,656 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-02-02 20:20:38,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-02-02 20:20:38,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2018-02-02 20:20:38,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-02-02 20:20:38,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 128 transitions. [2018-02-02 20:20:38,661 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 128 transitions. Word has length 30 [2018-02-02 20:20:38,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:38,661 INFO L432 AbstractCegarLoop]: Abstraction has 117 states and 128 transitions. [2018-02-02 20:20:38,661 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-02 20:20:38,662 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 128 transitions. [2018-02-02 20:20:38,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-02 20:20:38,662 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:38,662 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-02 20:20:38,663 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:38,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1958112026, now seen corresponding path program 1 times [2018-02-02 20:20:38,664 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:38,676 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:38,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:38,753 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 20:20:38,753 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-02 20:20:38,753 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:38,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:38,754 INFO L182 omatonBuilderFactory]: Interpolants [1568#(and (= 0 |main_#t~mem11.offset|) (= 12 (select |#length| |main_#t~mem11.base|))), 1569#(and (= main_~p~0.offset 0) (= (select |#length| main_~p~0.base) 12)), 1563#true, 1564#false, 1565#(and (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|))), 1566#(and (= 0 main_~t~0.offset) (= 12 (select |#length| main_~t~0.base))), 1567#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))))] [2018-02-02 20:20:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:38,754 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-02 20:20:38,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-02 20:20:38,754 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-02 20:20:38,754 INFO L87 Difference]: Start difference. First operand 117 states and 128 transitions. Second operand 7 states. [2018-02-02 20:20:38,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:38,983 INFO L93 Difference]: Finished difference Result 132 states and 142 transitions. [2018-02-02 20:20:38,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-02 20:20:38,983 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-02-02 20:20:38,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:38,984 INFO L225 Difference]: With dead ends: 132 [2018-02-02 20:20:38,984 INFO L226 Difference]: Without dead ends: 132 [2018-02-02 20:20:38,985 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-02-02 20:20:38,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-02-02 20:20:38,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 98. [2018-02-02 20:20:38,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-02-02 20:20:38,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 108 transitions. [2018-02-02 20:20:38,988 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 108 transitions. Word has length 30 [2018-02-02 20:20:38,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:38,988 INFO L432 AbstractCegarLoop]: Abstraction has 98 states and 108 transitions. [2018-02-02 20:20:38,988 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-02 20:20:38,988 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 108 transitions. [2018-02-02 20:20:38,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-02-02 20:20:38,989 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:38,989 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:38,989 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:38,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1625837310, now seen corresponding path program 1 times [2018-02-02 20:20:38,990 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:39,002 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:39,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:39,099 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 20:20:39,099 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-02 20:20:39,099 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:39,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:39,099 INFO L182 omatonBuilderFactory]: Interpolants [1813#true, 1814#false, 1815#(= 0 |main_#t~malloc0.offset|), 1816#(= 0 main_~a~0.offset), 1817#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 1818#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))), 1819#(and (= 0 (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0)), 1820#(and (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0))] [2018-02-02 20:20:39,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:39,099 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-02 20:20:39,099 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-02 20:20:39,100 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-02-02 20:20:39,100 INFO L87 Difference]: Start difference. First operand 98 states and 108 transitions. Second operand 8 states. [2018-02-02 20:20:39,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:39,228 INFO L93 Difference]: Finished difference Result 116 states and 125 transitions. [2018-02-02 20:20:39,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-02 20:20:39,228 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2018-02-02 20:20:39,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:39,229 INFO L225 Difference]: With dead ends: 116 [2018-02-02 20:20:39,229 INFO L226 Difference]: Without dead ends: 105 [2018-02-02 20:20:39,229 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-02-02 20:20:39,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-02-02 20:20:39,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 87. [2018-02-02 20:20:39,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-02-02 20:20:39,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 96 transitions. [2018-02-02 20:20:39,232 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 96 transitions. Word has length 31 [2018-02-02 20:20:39,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:39,233 INFO L432 AbstractCegarLoop]: Abstraction has 87 states and 96 transitions. [2018-02-02 20:20:39,233 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-02 20:20:39,233 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 96 transitions. [2018-02-02 20:20:39,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-02-02 20:20:39,234 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:39,234 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:39,234 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:39,234 INFO L82 PathProgramCache]: Analyzing trace with hash 77859536, now seen corresponding path program 1 times [2018-02-02 20:20:39,235 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:39,251 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:39,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:39,429 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:39,429 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-02 20:20:39,429 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:39,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:39,429 INFO L182 omatonBuilderFactory]: Interpolants [2032#true, 2033#false, 2034#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 2035#(and (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 2036#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 2037#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 2038#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 2039#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 2040#(and (not (= main_~a~0.base |main_#t~mem11.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 2041#(and (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) main_~a~0.base) main_~a~0.offset)) (not (= main_~p~0.base main_~a~0.base))), 2042#(= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)), 2043#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 2044#(= 1 |main_#t~mem14|)] [2018-02-02 20:20:39,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:39,430 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-02 20:20:39,430 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-02 20:20:39,430 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-02-02 20:20:39,430 INFO L87 Difference]: Start difference. First operand 87 states and 96 transitions. Second operand 13 states. [2018-02-02 20:20:39,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:39,787 INFO L93 Difference]: Finished difference Result 208 states and 225 transitions. [2018-02-02 20:20:39,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-02 20:20:39,787 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2018-02-02 20:20:39,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:39,788 INFO L225 Difference]: With dead ends: 208 [2018-02-02 20:20:39,788 INFO L226 Difference]: Without dead ends: 208 [2018-02-02 20:20:39,789 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2018-02-02 20:20:39,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-02-02 20:20:39,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 108. [2018-02-02 20:20:39,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-02-02 20:20:39,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 120 transitions. [2018-02-02 20:20:39,793 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 120 transitions. Word has length 43 [2018-02-02 20:20:39,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:39,793 INFO L432 AbstractCegarLoop]: Abstraction has 108 states and 120 transitions. [2018-02-02 20:20:39,794 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-02 20:20:39,794 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2018-02-02 20:20:39,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-02-02 20:20:39,795 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:39,795 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:39,795 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:39,795 INFO L82 PathProgramCache]: Analyzing trace with hash 203223797, now seen corresponding path program 1 times [2018-02-02 20:20:39,796 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:39,809 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:39,967 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:39,967 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:39,967 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-02 20:20:39,968 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:39,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:39,968 INFO L182 omatonBuilderFactory]: Interpolants [2375#true, 2376#false, 2377#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 2378#(and (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 2379#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 2380#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 2381#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 2382#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 2383#(and (not (= main_~a~0.base |main_#t~mem11.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 2384#(and (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) main_~a~0.base) main_~a~0.offset)) (not (= main_~p~0.base main_~a~0.base))), 2385#(= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)), 2386#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 2387#(= 1 |main_#t~mem17|)] [2018-02-02 20:20:39,968 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:39,968 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-02 20:20:39,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-02 20:20:39,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-02-02 20:20:39,969 INFO L87 Difference]: Start difference. First operand 108 states and 120 transitions. Second operand 13 states. [2018-02-02 20:20:40,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:40,311 INFO L93 Difference]: Finished difference Result 208 states and 224 transitions. [2018-02-02 20:20:40,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-02 20:20:40,311 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2018-02-02 20:20:40,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:40,312 INFO L225 Difference]: With dead ends: 208 [2018-02-02 20:20:40,312 INFO L226 Difference]: Without dead ends: 206 [2018-02-02 20:20:40,312 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2018-02-02 20:20:40,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-02-02 20:20:40,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 110. [2018-02-02 20:20:40,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-02-02 20:20:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 122 transitions. [2018-02-02 20:20:40,315 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 122 transitions. Word has length 43 [2018-02-02 20:20:40,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:40,316 INFO L432 AbstractCegarLoop]: Abstraction has 110 states and 122 transitions. [2018-02-02 20:20:40,316 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-02 20:20:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2018-02-02 20:20:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-02-02 20:20:40,317 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:40,317 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:40,317 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:40,317 INFO L82 PathProgramCache]: Analyzing trace with hash -377405141, now seen corresponding path program 1 times [2018-02-02 20:20:40,317 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:40,332 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:40,520 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:40,520 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:40,520 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-02 20:20:40,520 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:40,521 INFO L182 omatonBuilderFactory]: Interpolants [2720#true, 2721#false, 2722#(= 0 |main_#t~malloc0.offset|), 2723#(= 0 main_~a~0.offset), 2724#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 2725#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 2726#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 2727#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 12 (select |#length| main_~t~0.base))), 2728#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 2729#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 2730#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 2731#(and (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))), 2732#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 2733#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 2734#(and (= 12 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 2735#(and (= main_~p~0.offset 0) (= (select |#length| main_~p~0.base) 12))] [2018-02-02 20:20:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:40,521 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-02 20:20:40,521 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-02 20:20:40,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2018-02-02 20:20:40,522 INFO L87 Difference]: Start difference. First operand 110 states and 122 transitions. Second operand 16 states. [2018-02-02 20:20:41,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:41,181 INFO L93 Difference]: Finished difference Result 226 states and 248 transitions. [2018-02-02 20:20:41,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-02 20:20:41,181 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 43 [2018-02-02 20:20:41,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:41,182 INFO L225 Difference]: With dead ends: 226 [2018-02-02 20:20:41,182 INFO L226 Difference]: Without dead ends: 226 [2018-02-02 20:20:41,182 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2018-02-02 20:20:41,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-02-02 20:20:41,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 137. [2018-02-02 20:20:41,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-02-02 20:20:41,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 154 transitions. [2018-02-02 20:20:41,186 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 154 transitions. Word has length 43 [2018-02-02 20:20:41,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:41,187 INFO L432 AbstractCegarLoop]: Abstraction has 137 states and 154 transitions. [2018-02-02 20:20:41,187 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-02 20:20:41,187 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 154 transitions. [2018-02-02 20:20:41,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-02-02 20:20:41,188 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:41,188 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:41,188 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:41,188 INFO L82 PathProgramCache]: Analyzing trace with hash -377405142, now seen corresponding path program 1 times [2018-02-02 20:20:41,189 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:41,202 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:41,361 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:41,361 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:41,361 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-02 20:20:41,361 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:41,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:41,362 INFO L182 omatonBuilderFactory]: Interpolants [3136#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 3137#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 3138#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| main_~p~0.base))), 3139#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 3140#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 3141#(= 1 (select |#valid| |main_#t~mem18.base|)), 3142#(= 1 (select |#valid| main_~p~0.base)), 3127#true, 3128#false, 3129#(= 0 |main_#t~malloc0.offset|), 3130#(= 0 main_~a~0.offset), 3131#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 3132#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 3133#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 3134#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 3135#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base))] [2018-02-02 20:20:41,362 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:41,362 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-02 20:20:41,362 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-02 20:20:41,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-02-02 20:20:41,362 INFO L87 Difference]: Start difference. First operand 137 states and 154 transitions. Second operand 16 states. [2018-02-02 20:20:41,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:41,819 INFO L93 Difference]: Finished difference Result 224 states and 248 transitions. [2018-02-02 20:20:41,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-02 20:20:41,819 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 43 [2018-02-02 20:20:41,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:41,820 INFO L225 Difference]: With dead ends: 224 [2018-02-02 20:20:41,820 INFO L226 Difference]: Without dead ends: 224 [2018-02-02 20:20:41,820 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=242, Invalid=814, Unknown=0, NotChecked=0, Total=1056 [2018-02-02 20:20:41,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-02-02 20:20:41,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 135. [2018-02-02 20:20:41,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-02-02 20:20:41,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 151 transitions. [2018-02-02 20:20:41,822 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 151 transitions. Word has length 43 [2018-02-02 20:20:41,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:41,822 INFO L432 AbstractCegarLoop]: Abstraction has 135 states and 151 transitions. [2018-02-02 20:20:41,822 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-02 20:20:41,822 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 151 transitions. [2018-02-02 20:20:41,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-02-02 20:20:41,823 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:41,823 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:41,823 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:41,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1563153552, now seen corresponding path program 1 times [2018-02-02 20:20:41,823 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:41,832 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:41,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:41,963 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:41,963 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-02 20:20:41,964 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:41,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:41,964 INFO L182 omatonBuilderFactory]: Interpolants [3536#true, 3537#false, 3538#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 3539#(and (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 3540#(and (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 3541#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 3542#(and (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 3543#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 3544#(and (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2)), 3545#(and (not (= main_~p~0.base main_~a~0.base)) (= (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) main_~a~0.base) main_~a~0.offset) 2)), 3546#(= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2), 3547#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2), 3548#(= |main_#t~mem14| 2)] [2018-02-02 20:20:41,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:41,964 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-02 20:20:41,964 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-02 20:20:41,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-02-02 20:20:41,965 INFO L87 Difference]: Start difference. First operand 135 states and 151 transitions. Second operand 13 states. [2018-02-02 20:20:42,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:42,273 INFO L93 Difference]: Finished difference Result 246 states and 269 transitions. [2018-02-02 20:20:42,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-02 20:20:42,273 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2018-02-02 20:20:42,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:42,274 INFO L225 Difference]: With dead ends: 246 [2018-02-02 20:20:42,274 INFO L226 Difference]: Without dead ends: 246 [2018-02-02 20:20:42,274 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2018-02-02 20:20:42,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-02-02 20:20:42,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 135. [2018-02-02 20:20:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-02-02 20:20:42,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 150 transitions. [2018-02-02 20:20:42,276 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 150 transitions. Word has length 43 [2018-02-02 20:20:42,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:42,276 INFO L432 AbstractCegarLoop]: Abstraction has 135 states and 150 transitions. [2018-02-02 20:20:42,276 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-02 20:20:42,276 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 150 transitions. [2018-02-02 20:20:42,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-02 20:20:42,277 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:42,277 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:42,277 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:42,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1458053212, now seen corresponding path program 1 times [2018-02-02 20:20:42,277 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:42,289 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:42,458 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-02 20:20:42,458 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:42,458 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-02 20:20:42,459 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:42,459 INFO L182 omatonBuilderFactory]: Interpolants [3944#true, 3945#false, 3946#(= 0 |main_#t~malloc0.offset|), 3947#(= 0 main_~a~0.offset), 3948#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 3949#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 3950#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= |main_#t~malloc9.base| 0)) (= main_~p~0.base main_~a~0.base)), 3951#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (not (= main_~t~0.base 0))), 3952#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) 0))), 3953#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) 0))), 3954#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) 0)) (not (= main_~p~0.base main_~a~0.base))), 3955#(and (= 0 main_~a~0.offset) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)) 0))), 3956#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) 0))), 3957#(and (= main_~p~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) 0))), 3958#(and (= main_~p~0.offset 0) (not (= |main_#t~mem21.base| 0)))] [2018-02-02 20:20:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-02 20:20:42,459 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-02 20:20:42,459 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-02 20:20:42,460 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2018-02-02 20:20:42,460 INFO L87 Difference]: Start difference. First operand 135 states and 150 transitions. Second operand 15 states. [2018-02-02 20:20:42,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:42,827 INFO L93 Difference]: Finished difference Result 215 states and 236 transitions. [2018-02-02 20:20:42,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-02 20:20:42,827 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 52 [2018-02-02 20:20:42,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:42,828 INFO L225 Difference]: With dead ends: 215 [2018-02-02 20:20:42,828 INFO L226 Difference]: Without dead ends: 215 [2018-02-02 20:20:42,828 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2018-02-02 20:20:42,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-02-02 20:20:42,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 162. [2018-02-02 20:20:42,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-02-02 20:20:42,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 188 transitions. [2018-02-02 20:20:42,830 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 188 transitions. Word has length 52 [2018-02-02 20:20:42,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:42,831 INFO L432 AbstractCegarLoop]: Abstraction has 162 states and 188 transitions. [2018-02-02 20:20:42,831 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-02 20:20:42,831 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 188 transitions. [2018-02-02 20:20:42,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-02 20:20:42,831 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:42,831 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:42,831 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:42,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1332688951, now seen corresponding path program 1 times [2018-02-02 20:20:42,832 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:42,841 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:43,127 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:43,127 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:43,127 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-02 20:20:43,127 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:43,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:43,128 INFO L182 omatonBuilderFactory]: Interpolants [4362#true, 4363#false, 4364#(= 0 |main_#t~malloc0.offset|), 4365#(= 0 main_~a~0.offset), 4366#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 4367#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 4368#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 4369#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 4370#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 4371#(and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)) |main_#t~mem11.offset|) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)), 4372#(and (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 4373#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (= main_~p~0.offset (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 4374#(and (= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))) (= 0 main_~a~0.offset)), 4375#(and (= main_~p~0.offset 0) (= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))))), 4376#(= 3 (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|)), 4377#(= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 4378#(= 3 |main_#t~mem14|)] [2018-02-02 20:20:43,128 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:43,128 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-02 20:20:43,128 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-02 20:20:43,128 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-02-02 20:20:43,128 INFO L87 Difference]: Start difference. First operand 162 states and 188 transitions. Second operand 17 states. [2018-02-02 20:20:43,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:43,678 INFO L93 Difference]: Finished difference Result 183 states and 198 transitions. [2018-02-02 20:20:43,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-02 20:20:43,679 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 52 [2018-02-02 20:20:43,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:43,679 INFO L225 Difference]: With dead ends: 183 [2018-02-02 20:20:43,679 INFO L226 Difference]: Without dead ends: 183 [2018-02-02 20:20:43,680 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=235, Invalid=955, Unknown=0, NotChecked=0, Total=1190 [2018-02-02 20:20:43,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-02-02 20:20:43,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 143. [2018-02-02 20:20:43,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-02-02 20:20:43,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 158 transitions. [2018-02-02 20:20:43,681 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 158 transitions. Word has length 52 [2018-02-02 20:20:43,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:43,682 INFO L432 AbstractCegarLoop]: Abstraction has 143 states and 158 transitions. [2018-02-02 20:20:43,682 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-02 20:20:43,682 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 158 transitions. [2018-02-02 20:20:43,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-02 20:20:43,682 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:43,682 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:43,682 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:43,682 INFO L82 PathProgramCache]: Analyzing trace with hash -409289120, now seen corresponding path program 1 times [2018-02-02 20:20:43,683 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:43,691 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:44,064 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:44,064 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:44,065 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-02 20:20:44,065 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:44,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:44,065 INFO L182 omatonBuilderFactory]: Interpolants [4741#true, 4742#false, 4743#(and (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 4744#(and (= main_~a~0.offset 0) (not (= 0 main_~a~0.base))), 4745#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)), 4746#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= 0 main_~a~0.base)) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 4747#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= main_~a~0.offset |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)), 4748#(and (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)), 4749#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (not (= 0 main_~a~0.base)) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.base main_~a~0.base)), 4750#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= 0 main_~a~0.base))), 4751#(and (= 0 main_~a~0.offset) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= 0 main_~a~0.base)) (not (= main_~p~0.base main_~a~0.base))), 4752#(and (= main_~a~0.offset (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (= 0 main_~a~0.offset) (not (= 0 main_~a~0.base))), 4753#(and (= 0 main_~a~0.offset) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= 0 main_~a~0.base))), 4754#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))), 4755#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= |main_#t~mem14| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))), 4756#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (not (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)))), 4757#(and (not (= 3 (select (select |#memory_int| main_~a~0.base) |main_#t~mem18.offset|))) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem18.base|) (not (= 0 main_~a~0.base))), 4758#(and (= 0 main_~a~0.offset) (not (= 0 main_~a~0.base)) (not (= 3 (select (select |#memory_int| main_~a~0.base) main_~p~0.offset))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 4759#(and (= 0 main_~a~0.offset) (or (not (= 3 |main_#t~mem14|)) (not (= (select |#memory_int| main_~p~0.base) (select |#memory_int| main_~a~0.base)))) (not (= 0 main_~a~0.base)) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 4760#(and (= 0 main_~a~0.offset) (not (= 0 main_~a~0.base)) (= 1 (select |#valid| main_~p~0.base)) (not (= (select |#memory_int| main_~p~0.base) (select |#memory_int| main_~a~0.base))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 4761#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) main_~a~0.base)) (not (= 0 main_~a~0.base))), 4762#(and (= 1 (select (store |#valid| main_~p~0.base 0) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (not (= 0 main_~p~0.base))), 4763#(and (= main_~p~0.offset 0) (= 1 (select (store |#valid| main_~p~0.base 0) |main_#t~mem22.base|)) (not (= 0 main_~p~0.base))), 4764#(and (= main_~p~0.offset 0) (not (= 0 main_~p~0.base)) (= 1 (select (store |#valid| main_~p~0.base 0) main_~t~0.base))), 4765#(= 1 (select |#valid| main_~t~0.base)), 4766#(= 1 (select |#valid| main_~p~0.base))] [2018-02-02 20:20:44,066 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:44,066 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-02 20:20:44,066 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-02 20:20:44,066 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=551, Unknown=0, NotChecked=0, Total=650 [2018-02-02 20:20:44,067 INFO L87 Difference]: Start difference. First operand 143 states and 158 transitions. Second operand 26 states. [2018-02-02 20:20:44,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:44,997 INFO L93 Difference]: Finished difference Result 204 states and 221 transitions. [2018-02-02 20:20:44,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-02 20:20:44,997 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 55 [2018-02-02 20:20:44,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:44,998 INFO L225 Difference]: With dead ends: 204 [2018-02-02 20:20:44,998 INFO L226 Difference]: Without dead ends: 204 [2018-02-02 20:20:44,998 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=485, Invalid=2167, Unknown=0, NotChecked=0, Total=2652 [2018-02-02 20:20:44,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-02-02 20:20:45,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 149. [2018-02-02 20:20:45,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-02-02 20:20:45,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 165 transitions. [2018-02-02 20:20:45,001 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 165 transitions. Word has length 55 [2018-02-02 20:20:45,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:45,002 INFO L432 AbstractCegarLoop]: Abstraction has 149 states and 165 transitions. [2018-02-02 20:20:45,002 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-02 20:20:45,002 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 165 transitions. [2018-02-02 20:20:45,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-02 20:20:45,002 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:45,007 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:45,007 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:45,007 INFO L82 PathProgramCache]: Analyzing trace with hash -409289119, now seen corresponding path program 1 times [2018-02-02 20:20:45,007 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:45,018 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:45,279 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:45,279 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:45,279 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-02 20:20:45,279 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:45,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:45,279 INFO L182 omatonBuilderFactory]: Interpolants [5184#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 5185#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 8))) (= main_~p~0.base main_~a~0.base) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8))))), 5186#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 5187#(and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 5188#(and (= 12 (select |#length| |main_#t~mem22.base|)) (= main_~p~0.offset 0) (= 0 |main_#t~mem22.offset|)), 5189#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= 12 (select |#length| main_~t~0.base))), 5190#(and (= 0 main_~t~0.offset) (= 12 (select |#length| main_~t~0.base))), 5191#(and (= main_~p~0.offset 0) (= (select |#length| main_~p~0.base) 12)), 5172#true, 5173#false, 5174#(= 0 |main_#t~malloc0.offset|), 5175#(= 0 main_~a~0.offset), 5176#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 5177#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 5178#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 5179#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 12 (select |#length| main_~t~0.base))), 5180#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 5181#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 5182#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 5183#(and (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))))] [2018-02-02 20:20:45,280 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:45,280 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-02 20:20:45,280 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-02 20:20:45,280 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2018-02-02 20:20:45,280 INFO L87 Difference]: Start difference. First operand 149 states and 165 transitions. Second operand 20 states. [2018-02-02 20:20:45,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:45,871 INFO L93 Difference]: Finished difference Result 200 states and 217 transitions. [2018-02-02 20:20:45,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-02 20:20:45,872 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 55 [2018-02-02 20:20:45,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:45,872 INFO L225 Difference]: With dead ends: 200 [2018-02-02 20:20:45,872 INFO L226 Difference]: Without dead ends: 200 [2018-02-02 20:20:45,873 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=286, Invalid=1120, Unknown=0, NotChecked=0, Total=1406 [2018-02-02 20:20:45,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-02-02 20:20:45,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 147. [2018-02-02 20:20:45,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-02-02 20:20:45,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 162 transitions. [2018-02-02 20:20:45,875 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 162 transitions. Word has length 55 [2018-02-02 20:20:45,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:45,875 INFO L432 AbstractCegarLoop]: Abstraction has 147 states and 162 transitions. [2018-02-02 20:20:45,875 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-02 20:20:45,875 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 162 transitions. [2018-02-02 20:20:45,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-02 20:20:45,875 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:45,875 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2018-02-02 20:20:45,875 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:45,875 INFO L82 PathProgramCache]: Analyzing trace with hash 245042822, now seen corresponding path program 2 times [2018-02-02 20:20:45,876 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:45,886 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:46,109 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:46,109 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:46,109 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-02 20:20:46,109 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:46,110 INFO L182 omatonBuilderFactory]: Interpolants [5575#true, 5576#false, 5577#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 5578#(and (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 5579#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 5580#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 5581#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 5582#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 5583#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem11.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 5584#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 5585#(and (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 5586#(and (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (not (= main_~a~0.base main_~t~0.base))), 5587#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 5588#(and (not (= main_~a~0.base |main_#t~mem11.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 5589#(and (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) main_~a~0.base) main_~a~0.offset)) (not (= main_~p~0.base main_~a~0.base))), 5590#(= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)), 5591#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 5592#(= 1 |main_#t~mem14|)] [2018-02-02 20:20:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:46,110 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-02 20:20:46,110 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-02 20:20:46,111 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-02-02 20:20:46,111 INFO L87 Difference]: Start difference. First operand 147 states and 162 transitions. Second operand 18 states. [2018-02-02 20:20:46,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:46,500 INFO L93 Difference]: Finished difference Result 274 states and 296 transitions. [2018-02-02 20:20:46,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-02 20:20:46,500 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 58 [2018-02-02 20:20:46,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:46,501 INFO L225 Difference]: With dead ends: 274 [2018-02-02 20:20:46,501 INFO L226 Difference]: Without dead ends: 274 [2018-02-02 20:20:46,501 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=199, Invalid=671, Unknown=0, NotChecked=0, Total=870 [2018-02-02 20:20:46,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2018-02-02 20:20:46,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 169. [2018-02-02 20:20:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-02-02 20:20:46,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 187 transitions. [2018-02-02 20:20:46,503 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 187 transitions. Word has length 58 [2018-02-02 20:20:46,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:46,503 INFO L432 AbstractCegarLoop]: Abstraction has 169 states and 187 transitions. [2018-02-02 20:20:46,503 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-02 20:20:46,503 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 187 transitions. [2018-02-02 20:20:46,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-02 20:20:46,504 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:46,504 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2018-02-02 20:20:46,504 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:46,504 INFO L82 PathProgramCache]: Analyzing trace with hash 370407083, now seen corresponding path program 2 times [2018-02-02 20:20:46,505 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:46,518 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:46,794 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:46,794 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:46,794 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-02 20:20:46,794 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:46,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:46,795 INFO L182 omatonBuilderFactory]: Interpolants [6060#true, 6061#false, 6062#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 6063#(and (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 6064#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 6065#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 6066#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 6067#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 6068#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem11.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 6069#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 6070#(and (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 6071#(and (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (not (= main_~a~0.base main_~t~0.base))), 6072#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 6073#(and (not (= main_~a~0.base |main_#t~mem11.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 6074#(and (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) main_~a~0.base) main_~a~0.offset)) (not (= main_~p~0.base main_~a~0.base))), 6075#(= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)), 6076#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 6077#(= 1 |main_#t~mem17|)] [2018-02-02 20:20:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:46,795 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-02 20:20:46,795 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-02 20:20:46,795 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-02-02 20:20:46,795 INFO L87 Difference]: Start difference. First operand 169 states and 187 transitions. Second operand 18 states. [2018-02-02 20:20:47,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:47,345 INFO L93 Difference]: Finished difference Result 274 states and 295 transitions. [2018-02-02 20:20:47,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-02 20:20:47,346 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 58 [2018-02-02 20:20:47,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:47,347 INFO L225 Difference]: With dead ends: 274 [2018-02-02 20:20:47,347 INFO L226 Difference]: Without dead ends: 272 [2018-02-02 20:20:47,348 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=199, Invalid=671, Unknown=0, NotChecked=0, Total=870 [2018-02-02 20:20:47,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-02-02 20:20:47,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 171. [2018-02-02 20:20:47,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-02-02 20:20:47,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 189 transitions. [2018-02-02 20:20:47,352 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 189 transitions. Word has length 58 [2018-02-02 20:20:47,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:47,352 INFO L432 AbstractCegarLoop]: Abstraction has 171 states and 189 transitions. [2018-02-02 20:20:47,352 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-02 20:20:47,352 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 189 transitions. [2018-02-02 20:20:47,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-02 20:20:47,353 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:47,353 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2018-02-02 20:20:47,353 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:47,353 INFO L82 PathProgramCache]: Analyzing trace with hash -210221855, now seen corresponding path program 2 times [2018-02-02 20:20:47,354 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:47,381 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:47,723 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:47,723 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-02 20:20:47,723 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:47,723 INFO L182 omatonBuilderFactory]: Interpolants [6560#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 main_~a~0.offset) (= 12 (select |#length| main_~p~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 6561#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 6562#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 6563#(and (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))), 6564#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 6565#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 6566#(and (= 12 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 6567#(and (= main_~p~0.offset 0) (= (select |#length| main_~p~0.base) 12)), 6547#true, 6548#false, 6549#(= 0 |main_#t~malloc0.offset|), 6550#(= 0 main_~a~0.offset), 6551#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 6552#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 6553#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 6554#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 12 (select |#length| main_~t~0.base))), 6555#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 6556#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| |main_#t~mem11.base|))), 6557#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 12 (select |#length| main_~p~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 6558#(and (= 0 main_~a~0.offset) (= 12 (select |#length| main_~p~0.base)) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 6559#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 0 main_~a~0.offset) (= 12 (select |#length| main_~p~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base)))] [2018-02-02 20:20:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:47,724 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-02 20:20:47,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-02 20:20:47,724 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2018-02-02 20:20:47,724 INFO L87 Difference]: Start difference. First operand 171 states and 189 transitions. Second operand 21 states. [2018-02-02 20:20:48,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:48,663 INFO L93 Difference]: Finished difference Result 341 states and 377 transitions. [2018-02-02 20:20:48,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-02 20:20:48,664 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 58 [2018-02-02 20:20:48,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:48,665 INFO L225 Difference]: With dead ends: 341 [2018-02-02 20:20:48,665 INFO L226 Difference]: Without dead ends: 341 [2018-02-02 20:20:48,665 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=309, Invalid=1251, Unknown=0, NotChecked=0, Total=1560 [2018-02-02 20:20:48,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2018-02-02 20:20:48,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 227. [2018-02-02 20:20:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-02-02 20:20:48,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 254 transitions. [2018-02-02 20:20:48,689 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 254 transitions. Word has length 58 [2018-02-02 20:20:48,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:48,689 INFO L432 AbstractCegarLoop]: Abstraction has 227 states and 254 transitions. [2018-02-02 20:20:48,689 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-02 20:20:48,689 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 254 transitions. [2018-02-02 20:20:48,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-02 20:20:48,690 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:48,690 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2018-02-02 20:20:48,690 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:48,691 INFO L82 PathProgramCache]: Analyzing trace with hash -210221856, now seen corresponding path program 2 times [2018-02-02 20:20:48,691 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:48,703 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:48,990 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:48,990 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:48,990 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-02 20:20:48,990 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:48,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:48,991 INFO L182 omatonBuilderFactory]: Interpolants [7174#true, 7175#false, 7176#(= 0 |main_#t~malloc0.offset|), 7177#(= 0 main_~a~0.offset), 7178#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 7179#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 7180#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 7181#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 7182#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 7183#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 7184#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 7185#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 7186#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base))), 7187#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 7188#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 7189#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.base main_~a~0.base))), 7190#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))))), 7191#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 7192#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 7193#(= 1 (select |#valid| |main_#t~mem18.base|)), 7194#(= 1 (select |#valid| main_~p~0.base))] [2018-02-02 20:20:48,991 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:48,991 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-02 20:20:48,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-02 20:20:48,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2018-02-02 20:20:48,992 INFO L87 Difference]: Start difference. First operand 227 states and 254 transitions. Second operand 21 states. [2018-02-02 20:20:49,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:49,748 INFO L93 Difference]: Finished difference Result 318 states and 355 transitions. [2018-02-02 20:20:49,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-02 20:20:49,748 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 58 [2018-02-02 20:20:49,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:49,749 INFO L225 Difference]: With dead ends: 318 [2018-02-02 20:20:49,749 INFO L226 Difference]: Without dead ends: 318 [2018-02-02 20:20:49,750 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=350, Invalid=1372, Unknown=0, NotChecked=0, Total=1722 [2018-02-02 20:20:49,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-02-02 20:20:49,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 225. [2018-02-02 20:20:49,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-02-02 20:20:49,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 251 transitions. [2018-02-02 20:20:49,752 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 251 transitions. Word has length 58 [2018-02-02 20:20:49,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:49,752 INFO L432 AbstractCegarLoop]: Abstraction has 225 states and 251 transitions. [2018-02-02 20:20:49,752 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-02 20:20:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 251 transitions. [2018-02-02 20:20:49,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-02 20:20:49,752 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:49,752 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:49,753 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:49,753 INFO L82 PathProgramCache]: Analyzing trace with hash -2125358618, now seen corresponding path program 1 times [2018-02-02 20:20:49,753 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:49,760 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:50,031 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:50,031 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:50,031 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-02 20:20:50,031 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:50,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:50,032 INFO L182 omatonBuilderFactory]: Interpolants [7780#true, 7781#false, 7782#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 7783#(and (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 7784#(and (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 7785#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 7786#(and (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 7787#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 7788#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2)), 7789#(and (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~p~0.base main_~a~0.base))), 7790#(and (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base))), 7791#(and (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 7792#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2)), 7793#(and (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2)), 7794#(and (not (= main_~p~0.base main_~a~0.base)) (= (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) main_~a~0.base) main_~a~0.offset) 2)), 7795#(= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2), 7796#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2), 7797#(= |main_#t~mem14| 2)] [2018-02-02 20:20:50,032 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:50,032 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-02 20:20:50,032 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-02 20:20:50,033 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-02-02 20:20:50,033 INFO L87 Difference]: Start difference. First operand 225 states and 251 transitions. Second operand 18 states. [2018-02-02 20:20:50,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:50,571 INFO L93 Difference]: Finished difference Result 360 states and 391 transitions. [2018-02-02 20:20:50,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-02 20:20:50,571 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 58 [2018-02-02 20:20:50,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:50,573 INFO L225 Difference]: With dead ends: 360 [2018-02-02 20:20:50,573 INFO L226 Difference]: Without dead ends: 360 [2018-02-02 20:20:50,573 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=199, Invalid=671, Unknown=0, NotChecked=0, Total=870 [2018-02-02 20:20:50,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2018-02-02 20:20:50,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 228. [2018-02-02 20:20:50,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-02-02 20:20:50,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 253 transitions. [2018-02-02 20:20:50,577 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 253 transitions. Word has length 58 [2018-02-02 20:20:50,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:50,577 INFO L432 AbstractCegarLoop]: Abstraction has 228 states and 253 transitions. [2018-02-02 20:20:50,577 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-02 20:20:50,578 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 253 transitions. [2018-02-02 20:20:50,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-02-02 20:20:50,578 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:50,578 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:50,578 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:50,578 INFO L82 PathProgramCache]: Analyzing trace with hash 92704656, now seen corresponding path program 1 times [2018-02-02 20:20:50,579 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:50,591 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:51,278 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:51,278 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:51,279 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-02 20:20:51,279 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:51,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:51,279 INFO L182 omatonBuilderFactory]: Interpolants [8416#(and (= (store |#valid| main_~a~0.base 0) |old(#valid)|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)), 8417#(and (= (store |#valid| main_~a~0.base 0) |old(#valid)|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 8418#(and (= (store (store |#valid| |main_#t~malloc9.base| 0) main_~a~0.base 0) |old(#valid)|) (= 0 main_~a~0.offset) (not (= |main_#t~malloc9.base| main_~p~0.base)) (= 0 (select |#valid| 0)) (= main_~p~0.offset 0) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)), 8419#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (= (store (store |#valid| main_~t~0.base 0) main_~a~0.base 0) |old(#valid)|) (= main_~p~0.base main_~a~0.base) (not (= main_~t~0.base main_~p~0.base))), 8420#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) main_~p~0.base)) (= 0 (select |#valid| 0)) (= main_~p~0.offset 0) (not (= 0 main_~a~0.base)) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) 0) main_~a~0.base 0) |old(#valid)|) (= main_~p~0.base main_~a~0.base)), 8421#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) 8) 0) main_~a~0.base 0) |old(#valid)|) (= 0 main_~a~0.offset) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (not (= |main_#t~mem11.base| main_~a~0.base))), 8422#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) 8) 0) main_~a~0.base 0) |old(#valid)|) (= 0 main_~a~0.offset) (= 0 (select |#valid| 0)) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base)) (not (= main_~p~0.base main_~a~0.base))), 8423#(and (= (store (store |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) 8) 0) main_~a~0.base 0) |old(#valid)|) (= 0 main_~a~0.offset) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (not (= main_~a~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))))), 8424#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) 8) 0) main_~a~0.base 0) |old(#valid)|) (= 0 main_~a~0.offset) (= 0 (select |#valid| 0)) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base))), 8425#(and (= 0 main_~a~0.offset) (= 0 (select |#valid| 0)) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) 8) 0) main_~a~0.base 0) |old(#valid)|) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)), 8426#(and (= (store (store |#valid| main_~p~0.base 0) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) 0) |old(#valid)|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 (select |#valid| 0)) (= main_~p~0.offset 0) (not (= 0 main_~p~0.base))), 8427#(and (not (= main_~p~0.base |main_#t~mem22.base|)) (= (store (store |#valid| main_~p~0.base 0) |main_#t~mem22.base| 0) |old(#valid)|) (= 0 (select |#valid| 0)) (= main_~p~0.offset 0) (not (= 0 main_~p~0.base))), 8428#(and (= |old(#valid)| (store (store |#valid| main_~p~0.base 0) main_~t~0.base 0)) (= 0 (select |#valid| 0)) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (not (= 0 main_~p~0.base))), 8429#(and (= |old(#valid)| (store |#valid| main_~t~0.base 0)) (= 0 (select |#valid| 0))), 8430#(or (not (= 1 (select |#valid| main_~p~0.base))) (and (= (store |#valid| main_~p~0.base 0) |old(#valid)|) (not (= main_~p~0.base 0)))), 8431#(and (= (store |#valid| main_~p~0.base 0) |old(#valid)|) (not (= main_~p~0.base 0)) (= 1 (select |#valid| main_~p~0.base))), 8432#(= |#valid| |old(#valid)|), 8410#true, 8411#false, 8412#(= 0 (select |#valid| 0)), 8413#(and (= |#valid| |old(#valid)|) (= 0 (select |#valid| 0))), 8414#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|) (= 0 (select |#valid| 0))), 8415#(and (= (store |#valid| main_~a~0.base 0) |old(#valid)|) (= 0 main_~a~0.offset) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)))] [2018-02-02 20:20:51,280 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:51,280 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-02 20:20:51,280 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-02 20:20:51,280 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506 [2018-02-02 20:20:51,280 INFO L87 Difference]: Start difference. First operand 228 states and 253 transitions. Second operand 23 states. [2018-02-02 20:20:52,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:52,243 INFO L93 Difference]: Finished difference Result 250 states and 276 transitions. [2018-02-02 20:20:52,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-02 20:20:52,244 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 59 [2018-02-02 20:20:52,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:52,244 INFO L225 Difference]: With dead ends: 250 [2018-02-02 20:20:52,244 INFO L226 Difference]: Without dead ends: 247 [2018-02-02 20:20:52,245 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=264, Invalid=1376, Unknown=0, NotChecked=0, Total=1640 [2018-02-02 20:20:52,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-02-02 20:20:52,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 231. [2018-02-02 20:20:52,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-02-02 20:20:52,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 256 transitions. [2018-02-02 20:20:52,248 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 256 transitions. Word has length 59 [2018-02-02 20:20:52,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:52,249 INFO L432 AbstractCegarLoop]: Abstraction has 231 states and 256 transitions. [2018-02-02 20:20:52,249 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-02 20:20:52,249 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 256 transitions. [2018-02-02 20:20:52,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-02 20:20:52,249 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:52,250 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:52,250 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:52,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1550120692, now seen corresponding path program 2 times [2018-02-02 20:20:52,251 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:52,264 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:52,646 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:52,646 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-02 20:20:52,646 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:52,647 INFO L182 omatonBuilderFactory]: Interpolants [8960#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 8961#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))), 8962#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset)), 8963#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8))) (+ 0 8))) (= main_~p~0.base main_~a~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8))) (+ 0 8)))), 8964#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8)))), 8965#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 8))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) (+ 0 8)))), 8966#(and (= 0 (select (select |#memory_$Pointer$.base| main_~t~0.base) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~t~0.base) (+ 0 8))) (= main_~p~0.offset 0)), 8967#(and (= 0 (select (select |#memory_$Pointer$.base| main_~t~0.base) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~t~0.base) (+ 0 8)))), 8968#(or (<= (+ main_~p~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (<= 1 main_~p~0.offset)), 8969#(or (and (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (<= (+ main_~p~0.offset 1) 0) (<= 1 main_~p~0.offset)), 8970#(or (<= (+ main_~p~0.offset 1) 0) (<= 1 main_~p~0.offset)), 8950#true, 8951#false, 8952#(= 0 |main_#t~malloc0.offset|), 8953#(= 0 main_~a~0.offset), 8954#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 8955#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 8956#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 8957#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 8958#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 8959#(and (= 0 |main_#t~mem11.offset|) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))] [2018-02-02 20:20:52,647 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:52,647 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-02 20:20:52,647 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-02 20:20:52,647 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2018-02-02 20:20:52,647 INFO L87 Difference]: Start difference. First operand 231 states and 256 transitions. Second operand 21 states. [2018-02-02 20:20:53,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:53,242 INFO L93 Difference]: Finished difference Result 246 states and 270 transitions. [2018-02-02 20:20:53,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-02 20:20:53,243 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 62 [2018-02-02 20:20:53,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:53,243 INFO L225 Difference]: With dead ends: 246 [2018-02-02 20:20:53,243 INFO L226 Difference]: Without dead ends: 206 [2018-02-02 20:20:53,244 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=292, Invalid=1430, Unknown=0, NotChecked=0, Total=1722 [2018-02-02 20:20:53,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-02-02 20:20:53,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 194. [2018-02-02 20:20:53,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-02-02 20:20:53,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 216 transitions. [2018-02-02 20:20:53,246 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 216 transitions. Word has length 62 [2018-02-02 20:20:53,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:53,246 INFO L432 AbstractCegarLoop]: Abstraction has 194 states and 216 transitions. [2018-02-02 20:20:53,246 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-02 20:20:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 216 transitions. [2018-02-02 20:20:53,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-02-02 20:20:53,246 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:53,246 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:53,246 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:53,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1837803694, now seen corresponding path program 2 times [2018-02-02 20:20:53,247 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:53,263 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:53,485 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-02 20:20:53,485 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:53,485 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-02 20:20:53,485 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:53,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:53,486 INFO L182 omatonBuilderFactory]: Interpolants [9453#true, 9454#false, 9455#(= 0 (select |#valid| 0)), 9456#(and (= 0 |main_#t~malloc0.offset|) (= 0 (select |#valid| 0))), 9457#(and (= 0 main_~a~0.offset) (= 0 (select |#valid| 0))), 9458#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select |#valid| 0))), 9459#(and (= 0 main_~a~0.offset) (= 0 (select |#valid| 0)) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 9460#(and (= 0 main_~a~0.offset) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)) |main_#t~mem18.offset|)), 9461#(and (or (= main_~p~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)) main_~p~0.offset)) (= 0 main_~a~0.offset) (or (and (not (= 0 main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.offset 0)) (= main_~p~0.offset (select |#valid| main_~p~0.base)))), 9462#(and (or (= main_~p~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)) main_~p~0.offset)) (= 0 main_~a~0.offset) (or (and (not (= 0 main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.offset 0)))), 9463#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))) (= 0 main_~a~0.offset)), 9464#(and (= main_~p~0.offset 0) (or (not (= (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))))), 9465#(and (or (not (= |main_#t~mem21.offset| 0)) (not (= 0 |main_#t~mem21.base|))) (= main_~p~0.offset 0))] [2018-02-02 20:20:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-02 20:20:53,486 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-02 20:20:53,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-02 20:20:53,486 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-02-02 20:20:53,486 INFO L87 Difference]: Start difference. First operand 194 states and 216 transitions. Second operand 13 states. [2018-02-02 20:20:53,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:53,845 INFO L93 Difference]: Finished difference Result 222 states and 246 transitions. [2018-02-02 20:20:53,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-02 20:20:53,845 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 67 [2018-02-02 20:20:53,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:53,846 INFO L225 Difference]: With dead ends: 222 [2018-02-02 20:20:53,846 INFO L226 Difference]: Without dead ends: 222 [2018-02-02 20:20:53,846 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2018-02-02 20:20:53,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-02-02 20:20:53,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 193. [2018-02-02 20:20:53,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-02-02 20:20:53,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 214 transitions. [2018-02-02 20:20:53,848 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 214 transitions. Word has length 67 [2018-02-02 20:20:53,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:53,849 INFO L432 AbstractCegarLoop]: Abstraction has 193 states and 214 transitions. [2018-02-02 20:20:53,849 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-02 20:20:53,849 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 214 transitions. [2018-02-02 20:20:53,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-02-02 20:20:53,849 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:53,849 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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] [2018-02-02 20:20:53,849 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:53,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1963167955, now seen corresponding path program 2 times [2018-02-02 20:20:53,850 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:53,866 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:54,255 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:54,255 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:54,255 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-02 20:20:54,255 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:54,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:54,256 INFO L182 omatonBuilderFactory]: Interpolants [9920#(and (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))))), 9921#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 9922#(= 1 (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|)), 9923#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 9924#(= 1 |main_#t~mem17|), 9901#true, 9902#false, 9903#(= 0 |main_#t~malloc0.offset|), 9904#(= 0 main_~a~0.offset), 9905#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 9906#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 9907#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 9908#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 9909#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 9910#(and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)) |main_#t~mem11.offset|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)), 9911#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 9912#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 9913#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 9914#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 9915#(and (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base)) (= main_~p~0.offset (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8)))), 9916#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 9917#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))))), 9918#(and (= 0 main_~a~0.offset) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 9919#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))) (= 1 (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))))] [2018-02-02 20:20:54,256 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:54,256 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-02 20:20:54,256 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-02 20:20:54,256 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2018-02-02 20:20:54,256 INFO L87 Difference]: Start difference. First operand 193 states and 214 transitions. Second operand 24 states. [2018-02-02 20:20:55,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:55,123 INFO L93 Difference]: Finished difference Result 360 states and 396 transitions. [2018-02-02 20:20:55,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-02 20:20:55,123 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 67 [2018-02-02 20:20:55,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:55,124 INFO L225 Difference]: With dead ends: 360 [2018-02-02 20:20:55,125 INFO L226 Difference]: Without dead ends: 358 [2018-02-02 20:20:55,125 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=436, Invalid=2216, Unknown=0, NotChecked=0, Total=2652 [2018-02-02 20:20:55,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-02-02 20:20:55,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 238. [2018-02-02 20:20:55,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-02-02 20:20:55,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 265 transitions. [2018-02-02 20:20:55,129 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 265 transitions. Word has length 67 [2018-02-02 20:20:55,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:55,130 INFO L432 AbstractCegarLoop]: Abstraction has 238 states and 265 transitions. [2018-02-02 20:20:55,130 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-02 20:20:55,130 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 265 transitions. [2018-02-02 20:20:55,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-02-02 20:20:55,130 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:55,130 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 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] [2018-02-02 20:20:55,131 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:55,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1382539017, now seen corresponding path program 3 times [2018-02-02 20:20:55,131 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:55,149 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:55,742 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:55,742 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:55,742 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-02 20:20:55,742 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:55,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:55,743 INFO L182 omatonBuilderFactory]: Interpolants [10579#true, 10580#false, 10581#(= 0 |main_#t~malloc0.offset|), 10582#(= 0 main_~a~0.offset), 10583#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 10584#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 10585#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 10586#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 10587#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 10588#(and (= 0 |main_#t~mem11.offset|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))), 10589#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 10590#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 10591#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 10592#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (= 12 (select |#length| main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base))), 10593#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8))))), 10594#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))), 10595#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 10596#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 main_~a~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8)))), 10597#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))), 10598#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8)))) (= main_~p~0.offset 0)), 10599#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 8)))) (= 0 |main_#t~mem18.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 8)))), 10600#(or (<= (+ main_~p~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0))), 10601#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 10602#(and (= 12 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 10603#(and (= main_~p~0.offset 0) (= (select |#length| main_~p~0.base) 12))] [2018-02-02 20:20:55,743 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:55,743 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-02 20:20:55,743 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-02 20:20:55,743 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2018-02-02 20:20:55,743 INFO L87 Difference]: Start difference. First operand 238 states and 265 transitions. Second operand 25 states. [2018-02-02 20:20:56,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:56,820 INFO L93 Difference]: Finished difference Result 344 states and 382 transitions. [2018-02-02 20:20:56,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-02 20:20:56,820 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 67 [2018-02-02 20:20:56,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:56,821 INFO L225 Difference]: With dead ends: 344 [2018-02-02 20:20:56,821 INFO L226 Difference]: Without dead ends: 344 [2018-02-02 20:20:56,821 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=311, Invalid=1851, Unknown=0, NotChecked=0, Total=2162 [2018-02-02 20:20:56,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2018-02-02 20:20:56,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 251. [2018-02-02 20:20:56,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-02-02 20:20:56,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 281 transitions. [2018-02-02 20:20:56,824 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 281 transitions. Word has length 67 [2018-02-02 20:20:56,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:56,825 INFO L432 AbstractCegarLoop]: Abstraction has 251 states and 281 transitions. [2018-02-02 20:20:56,825 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-02 20:20:56,825 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 281 transitions. [2018-02-02 20:20:56,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-02-02 20:20:56,825 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:56,826 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 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] [2018-02-02 20:20:56,826 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:56,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1382539016, now seen corresponding path program 3 times [2018-02-02 20:20:56,826 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:56,840 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:57,312 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:57,312 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:57,313 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-02 20:20:57,313 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:57,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:57,313 INFO L182 omatonBuilderFactory]: Interpolants [11264#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)) (<= (+ main_~p~0.offset 1) 0)), 11265#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 11266#(= 1 (select |#valid| |main_#t~mem18.base|)), 11267#(= 1 (select |#valid| main_~p~0.base)), 11243#true, 11244#false, 11245#(= 0 |main_#t~malloc0.offset|), 11246#(= 0 main_~a~0.offset), 11247#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 11248#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 11249#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 11250#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 11251#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 11252#(and (= 0 |main_#t~mem11.offset|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))), 11253#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 11254#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 11255#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 11256#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base))), 11257#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 11258#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))))), 11259#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 11260#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))), 11261#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))))), 11262#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))))), 11263#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 8)))) (= 0 |main_#t~mem18.offset|))] [2018-02-02 20:20:57,313 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:57,313 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-02 20:20:57,314 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-02 20:20:57,314 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2018-02-02 20:20:57,314 INFO L87 Difference]: Start difference. First operand 251 states and 281 transitions. Second operand 25 states. [2018-02-02 20:20:58,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:58,274 INFO L93 Difference]: Finished difference Result 324 states and 362 transitions. [2018-02-02 20:20:58,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-02 20:20:58,274 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 67 [2018-02-02 20:20:58,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:58,275 INFO L225 Difference]: With dead ends: 324 [2018-02-02 20:20:58,275 INFO L226 Difference]: Without dead ends: 324 [2018-02-02 20:20:58,275 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=372, Invalid=1980, Unknown=0, NotChecked=0, Total=2352 [2018-02-02 20:20:58,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2018-02-02 20:20:58,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 251. [2018-02-02 20:20:58,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-02-02 20:20:58,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 280 transitions. [2018-02-02 20:20:58,277 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 280 transitions. Word has length 67 [2018-02-02 20:20:58,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:58,277 INFO L432 AbstractCegarLoop]: Abstraction has 251 states and 280 transitions. [2018-02-02 20:20:58,277 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-02 20:20:58,277 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 280 transitions. [2018-02-02 20:20:58,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-02 20:20:58,278 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:58,278 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:58,278 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:58,278 INFO L82 PathProgramCache]: Analyzing trace with hash -783556330, now seen corresponding path program 3 times [2018-02-02 20:20:58,278 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:58,286 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:58,615 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:58,615 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:58,615 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-02 20:20:58,615 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:58,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:58,616 INFO L182 omatonBuilderFactory]: Interpolants [11904#(and (not (= main_~a~0.base main_~p~0.base)) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 main_~a~0.offset) (not (= 0 main_~a~0.base)) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 11905#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base))), 11906#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base)) (not (= main_~p~0.base main_~a~0.base))), 11907#(and (= 0 main_~a~0.offset) (not (= 0 main_~a~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))) (not (= main_~a~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))))), 11908#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base))), 11909#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8)))) (= 0 main_~a~0.offset) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)), 11910#(and (= 1 (select (store |#valid| main_~p~0.base 0) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (not (= 0 main_~p~0.base))), 11911#(and (= main_~p~0.offset 0) (= 1 (select (store |#valid| main_~p~0.base 0) |main_#t~mem22.base|)) (not (= 0 main_~p~0.base))), 11912#(and (= main_~p~0.offset 0) (not (= 0 main_~p~0.base)) (= 1 (select (store |#valid| main_~p~0.base 0) main_~t~0.base))), 11913#(= 1 (select |#valid| main_~t~0.base)), 11914#(= 1 (select |#valid| main_~p~0.base)), 11891#true, 11892#false, 11893#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 11894#(and (= 0 main_~a~0.offset) (not (= 0 main_~a~0.base))), 11895#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)), 11896#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= 0 main_~a~0.base)) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 11897#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= 0 main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base main_~a~0.base)), 11898#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base) (not (= main_~a~0.base main_~t~0.base))), 11899#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (not (= 0 main_~a~0.base)) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 11900#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|) (not (= 0 main_~a~0.base))), 11901#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= 0 main_~a~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 11902#(and (= 0 main_~a~0.offset) (not (= 0 main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 11903#(and (not (= main_~a~0.base main_~p~0.base)) (= 0 main_~a~0.offset) (not (= 0 main_~a~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base)))] [2018-02-02 20:20:58,616 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:58,616 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-02 20:20:58,616 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-02 20:20:58,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2018-02-02 20:20:58,616 INFO L87 Difference]: Start difference. First operand 251 states and 280 transitions. Second operand 24 states. [2018-02-02 20:20:59,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:20:59,483 INFO L93 Difference]: Finished difference Result 334 states and 373 transitions. [2018-02-02 20:20:59,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-02 20:20:59,483 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 70 [2018-02-02 20:20:59,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:20:59,484 INFO L225 Difference]: With dead ends: 334 [2018-02-02 20:20:59,484 INFO L226 Difference]: Without dead ends: 334 [2018-02-02 20:20:59,484 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=369, Invalid=1701, Unknown=0, NotChecked=0, Total=2070 [2018-02-02 20:20:59,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2018-02-02 20:20:59,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 280. [2018-02-02 20:20:59,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2018-02-02 20:20:59,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 320 transitions. [2018-02-02 20:20:59,486 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 320 transitions. Word has length 70 [2018-02-02 20:20:59,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:20:59,486 INFO L432 AbstractCegarLoop]: Abstraction has 280 states and 320 transitions. [2018-02-02 20:20:59,486 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-02 20:20:59,487 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 320 transitions. [2018-02-02 20:20:59,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-02 20:20:59,487 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:20:59,487 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:20:59,487 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:20:59,487 INFO L82 PathProgramCache]: Analyzing trace with hash -783556329, now seen corresponding path program 2 times [2018-02-02 20:20:59,488 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:20:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:20:59,495 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:20:59,941 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:59,942 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:20:59,942 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-02 20:20:59,942 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:20:59,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:59,943 INFO L182 omatonBuilderFactory]: Interpolants [12573#true, 12574#false, 12575#(= 0 |main_#t~malloc0.offset|), 12576#(= 0 main_~a~0.offset), 12577#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 12578#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 12579#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 12580#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 12 (select |#length| main_~t~0.base))), 12581#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 12582#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| |main_#t~mem11.base|))), 12583#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 12 (select |#length| main_~p~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 12584#(and (= 0 main_~a~0.offset) (= 12 (select |#length| main_~p~0.base)) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 12585#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 0 main_~a~0.offset) (= 12 (select |#length| main_~p~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base))), 12586#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 main_~a~0.offset) (= 12 (select |#length| main_~p~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 12587#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 12588#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 12589#(and (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))), 12590#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 12591#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 8))) (= main_~p~0.base main_~a~0.base) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8))))), 12592#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 12593#(and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 12594#(and (= 12 (select |#length| |main_#t~mem22.base|)) (= main_~p~0.offset 0) (= 0 |main_#t~mem22.offset|)), 12595#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= 12 (select |#length| main_~t~0.base))), 12596#(and (= 0 main_~t~0.offset) (= 12 (select |#length| main_~t~0.base))), 12597#(and (= main_~p~0.offset 0) (= (select |#length| main_~p~0.base) 12))] [2018-02-02 20:20:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:20:59,943 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-02 20:20:59,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-02 20:20:59,943 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2018-02-02 20:20:59,944 INFO L87 Difference]: Start difference. First operand 280 states and 320 transitions. Second operand 25 states. [2018-02-02 20:21:00,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:00,853 INFO L93 Difference]: Finished difference Result 350 states and 388 transitions. [2018-02-02 20:21:00,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-02 20:21:00,854 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 70 [2018-02-02 20:21:00,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:00,855 INFO L225 Difference]: With dead ends: 350 [2018-02-02 20:21:00,855 INFO L226 Difference]: Without dead ends: 350 [2018-02-02 20:21:00,855 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=379, Invalid=1783, Unknown=0, NotChecked=0, Total=2162 [2018-02-02 20:21:00,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-02-02 20:21:00,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 282. [2018-02-02 20:21:00,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-02-02 20:21:00,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 322 transitions. [2018-02-02 20:21:00,858 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 322 transitions. Word has length 70 [2018-02-02 20:21:00,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:00,859 INFO L432 AbstractCegarLoop]: Abstraction has 282 states and 322 transitions. [2018-02-02 20:21:00,859 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-02 20:21:00,859 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 322 transitions. [2018-02-02 20:21:00,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-02 20:21:00,859 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:00,860 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:21:00,860 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:00,860 INFO L82 PathProgramCache]: Analyzing trace with hash -269574549, now seen corresponding path program 4 times [2018-02-02 20:21:00,860 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:00,878 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:01,572 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:01,572 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:01,572 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-02 20:21:01,572 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:01,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:01,572 INFO L182 omatonBuilderFactory]: Interpolants [13274#true, 13275#false, 13276#(= |main_#t~malloc0.offset| 0), 13277#(= main_~a~0.offset 0), 13278#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 13279#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 13280#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 13281#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 12 (select |#length| main_~t~0.base))), 13282#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 13283#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem11.base|)) (= main_~a~0.offset 0) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| |main_#t~mem11.base|))), 13284#(and (= (select |#valid| main_~a~0.base) 1) (= 12 (select |#length| main_~p~0.base)) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 13285#(and (= main_~a~0.offset 0) (= (select |#length| main_~p~0.base) 12) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 13286#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= main_~a~0.offset 0) (= (select |#length| main_~p~0.base) 12) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base))), 13287#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~a~0.offset 0) (= (select |#length| main_~p~0.base) 12) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 13288#(and (not (= main_~a~0.base |main_#t~mem11.base|)) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 13289#(and (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 13290#(and (= main_~a~0.offset |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 13291#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))))), 13292#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 13293#(and (= main_~a~0.offset |main_#t~mem11.offset|) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 13294#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))))), 13295#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (and (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))))), 13296#(or (and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))) (= 3 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 13297#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 13298#(or (= 3 |main_#t~mem14|) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0))), 13299#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 13300#(and (= 12 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 13301#(and (= main_~p~0.offset 0) (= (select |#length| main_~p~0.base) 12))] [2018-02-02 20:21:01,573 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:01,573 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-02 20:21:01,573 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-02 20:21:01,573 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=645, Unknown=0, NotChecked=0, Total=756 [2018-02-02 20:21:01,573 INFO L87 Difference]: Start difference. First operand 282 states and 322 transitions. Second operand 28 states. [2018-02-02 20:21:03,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:03,051 INFO L93 Difference]: Finished difference Result 424 states and 477 transitions. [2018-02-02 20:21:03,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-02 20:21:03,051 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 73 [2018-02-02 20:21:03,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:03,052 INFO L225 Difference]: With dead ends: 424 [2018-02-02 20:21:03,052 INFO L226 Difference]: Without dead ends: 424 [2018-02-02 20:21:03,053 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 713 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=548, Invalid=2422, Unknown=0, NotChecked=0, Total=2970 [2018-02-02 20:21:03,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2018-02-02 20:21:03,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 340. [2018-02-02 20:21:03,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-02-02 20:21:03,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 389 transitions. [2018-02-02 20:21:03,056 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 389 transitions. Word has length 73 [2018-02-02 20:21:03,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:03,056 INFO L432 AbstractCegarLoop]: Abstraction has 340 states and 389 transitions. [2018-02-02 20:21:03,056 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-02 20:21:03,056 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 389 transitions. [2018-02-02 20:21:03,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-02 20:21:03,056 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:03,056 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:21:03,056 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:03,056 INFO L82 PathProgramCache]: Analyzing trace with hash -269574550, now seen corresponding path program 4 times [2018-02-02 20:21:03,057 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:03,067 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:03,847 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:03,848 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:03,848 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-02 20:21:03,848 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:03,848 INFO L182 omatonBuilderFactory]: Interpolants [14144#(and (= main_~p~0.offset 0) (or (= 3 |main_#t~mem14|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))))), 14145#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 14146#(= 1 (select |#valid| |main_#t~mem18.base|)), 14147#(= (select |#valid| main_~p~0.base) 1), 14120#true, 14121#false, 14122#(= |main_#t~malloc0.offset| 0), 14123#(= main_~a~0.offset 0), 14124#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 14125#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 14126#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 14127#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 14128#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 14129#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem11.base|)) (= main_~a~0.offset 0) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 14130#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 14131#(and (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 14132#(and (= main_~a~0.offset 0) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base))), 14133#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 14134#(and (not (= main_~a~0.base |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= main_~a~0.offset 0)), 14135#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 14136#(and (= 0 main_~a~0.offset) (or (= main_~a~0.offset |main_#t~malloc9.offset|) (not (= main_~a~0.base |main_#t~malloc9.base|))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= |main_#t~malloc9.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.base main_~a~0.base))), 14137#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)))) (= main_~t~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))))), 14138#(and (= 0 main_~a~0.offset) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (or (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))))), 14139#(and (or (= main_~a~0.offset |main_#t~mem11.offset|) (not (= main_~a~0.base |main_#t~mem11.base|))) (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 14140#(and (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.base main_~a~0.base)))) (= 0 main_~a~0.offset)), 14141#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))))), 14142#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= 3 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)))), 14143#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= main_~p~0.offset 0))] [2018-02-02 20:21:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:03,849 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-02 20:21:03,849 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-02 20:21:03,849 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2018-02-02 20:21:03,849 INFO L87 Difference]: Start difference. First operand 340 states and 389 transitions. Second operand 28 states. [2018-02-02 20:21:05,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:05,337 INFO L93 Difference]: Finished difference Result 416 states and 469 transitions. [2018-02-02 20:21:05,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-02 20:21:05,337 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 73 [2018-02-02 20:21:05,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:05,338 INFO L225 Difference]: With dead ends: 416 [2018-02-02 20:21:05,338 INFO L226 Difference]: Without dead ends: 416 [2018-02-02 20:21:05,339 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=678, Invalid=2982, Unknown=0, NotChecked=0, Total=3660 [2018-02-02 20:21:05,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2018-02-02 20:21:05,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 340. [2018-02-02 20:21:05,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-02-02 20:21:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 388 transitions. [2018-02-02 20:21:05,343 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 388 transitions. Word has length 73 [2018-02-02 20:21:05,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:05,343 INFO L432 AbstractCegarLoop]: Abstraction has 340 states and 388 transitions. [2018-02-02 20:21:05,343 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-02 20:21:05,343 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 388 transitions. [2018-02-02 20:21:05,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-02 20:21:05,344 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:05,344 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:21:05,344 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:05,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1747228858, now seen corresponding path program 2 times [2018-02-02 20:21:05,345 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:05,359 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:06,011 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-02 20:21:06,011 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:06,011 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-02 20:21:06,011 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:06,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:06,012 INFO L182 omatonBuilderFactory]: Interpolants [14976#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= |main_#t~malloc9.offset| 0) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 14977#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 14978#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)) 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 14979#(and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)) |main_#t~mem11.offset|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))), 14980#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 14981#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 14982#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 14983#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 14984#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base)) (= main_~p~0.offset (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8)))), 14985#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 14986#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))), 14987#(and (= 0 main_~a~0.offset) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 14988#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))) (= 1 (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))))), 14989#(and (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))))), 14990#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 14991#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= |main_#t~mem14| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 14992#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (not (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)))), 14993#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= 3 |main_#t~mem16|)) (= main_~p~0.offset 0)), 14994#(and (= main_~p~0.offset 0) (not (= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))))), 14995#(not (= 3 (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|))), 14996#(not (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 14997#(not (= 3 |main_#t~mem14|)), 14970#true, 14971#false, 14972#(= 0 |main_#t~malloc0.offset|), 14973#(= 0 main_~a~0.offset), 14974#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 14975#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base))] [2018-02-02 20:21:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-02 20:21:06,012 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-02 20:21:06,012 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-02 20:21:06,013 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=660, Unknown=0, NotChecked=0, Total=756 [2018-02-02 20:21:06,013 INFO L87 Difference]: Start difference. First operand 340 states and 388 transitions. Second operand 28 states. [2018-02-02 20:21:07,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:07,141 INFO L93 Difference]: Finished difference Result 453 states and 512 transitions. [2018-02-02 20:21:07,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-02 20:21:07,141 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 74 [2018-02-02 20:21:07,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:07,142 INFO L225 Difference]: With dead ends: 453 [2018-02-02 20:21:07,142 INFO L226 Difference]: Without dead ends: 453 [2018-02-02 20:21:07,143 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 695 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=473, Invalid=2607, Unknown=0, NotChecked=0, Total=3080 [2018-02-02 20:21:07,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-02-02 20:21:07,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 340. [2018-02-02 20:21:07,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-02-02 20:21:07,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 387 transitions. [2018-02-02 20:21:07,146 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 387 transitions. Word has length 74 [2018-02-02 20:21:07,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:07,146 INFO L432 AbstractCegarLoop]: Abstraction has 340 states and 387 transitions. [2018-02-02 20:21:07,147 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-02 20:21:07,147 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 387 transitions. [2018-02-02 20:21:07,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-02 20:21:07,147 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:07,147 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:21:07,147 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:07,147 INFO L82 PathProgramCache]: Analyzing trace with hash 2079737830, now seen corresponding path program 1 times [2018-02-02 20:21:07,148 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:07,159 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:07,532 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-02 20:21:07,532 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:07,532 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-02 20:21:07,532 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:07,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:07,533 INFO L182 omatonBuilderFactory]: Interpolants [15847#true, 15848#false, 15849#(= 0 |main_#t~malloc0.offset|), 15850#(= 0 main_~a~0.offset), 15851#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 15852#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 15853#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 15854#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 15855#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 15856#(and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)) |main_#t~mem11.offset|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)), 15857#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 15858#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 15859#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 15860#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 15861#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2) (= main_~p~0.offset (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base))), 15862#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 15863#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) 2)), 15864#(and (= (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) 2) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 15865#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) 2) (not (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))))), 15866#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) 2)), 15867#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) 2) (= main_~p~0.offset 0)), 15868#(= (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|) 2), 15869#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2), 15870#(= |main_#t~mem14| 2)] [2018-02-02 20:21:07,533 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-02 20:21:07,533 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-02 20:21:07,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-02 20:21:07,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2018-02-02 20:21:07,533 INFO L87 Difference]: Start difference. First operand 340 states and 387 transitions. Second operand 24 states. [2018-02-02 20:21:08,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:08,536 INFO L93 Difference]: Finished difference Result 489 states and 547 transitions. [2018-02-02 20:21:08,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-02 20:21:08,536 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 74 [2018-02-02 20:21:08,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:08,537 INFO L225 Difference]: With dead ends: 489 [2018-02-02 20:21:08,537 INFO L226 Difference]: Without dead ends: 489 [2018-02-02 20:21:08,537 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=436, Invalid=2216, Unknown=0, NotChecked=0, Total=2652 [2018-02-02 20:21:08,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-02-02 20:21:08,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 340. [2018-02-02 20:21:08,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-02-02 20:21:08,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 386 transitions. [2018-02-02 20:21:08,541 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 386 transitions. Word has length 74 [2018-02-02 20:21:08,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:08,541 INFO L432 AbstractCegarLoop]: Abstraction has 340 states and 386 transitions. [2018-02-02 20:21:08,541 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-02 20:21:08,541 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 386 transitions. [2018-02-02 20:21:08,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-02 20:21:08,541 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:08,541 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-02 20:21:08,541 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:08,541 INFO L82 PathProgramCache]: Analyzing trace with hash -864361557, now seen corresponding path program 3 times [2018-02-02 20:21:08,542 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:08,551 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:09,220 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 14 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:09,220 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:09,220 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-02 20:21:09,220 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:09,221 INFO L182 omatonBuilderFactory]: Interpolants [16768#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 16769#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base))), 16770#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 16771#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) |main_#t~mem11.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))), 16772#(and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 16773#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 16774#(and (= 0 main_~a~0.offset) (= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))), 16775#(and (= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0)), 16776#(and (= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 8))) (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 8)))) (= 0 |main_#t~mem18.offset|)), 16777#(and (= main_~p~0.offset 0) (= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))))), 16778#(= 3 (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|)), 16779#(= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 16780#(= 3 |main_#t~mem14|), 16756#true, 16757#false, 16758#(= 0 |main_#t~malloc0.offset|), 16759#(= 0 main_~a~0.offset), 16760#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 16761#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 16762#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 16763#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 16764#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 16765#(and (= 0 |main_#t~mem11.offset|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))), 16766#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 16767#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))] [2018-02-02 20:21:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 14 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:09,221 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-02 20:21:09,221 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-02 20:21:09,222 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2018-02-02 20:21:09,222 INFO L87 Difference]: Start difference. First operand 340 states and 386 transitions. Second operand 25 states. [2018-02-02 20:21:10,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:10,250 INFO L93 Difference]: Finished difference Result 349 states and 385 transitions. [2018-02-02 20:21:10,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-02 20:21:10,251 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 76 [2018-02-02 20:21:10,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:10,252 INFO L225 Difference]: With dead ends: 349 [2018-02-02 20:21:10,252 INFO L226 Difference]: Without dead ends: 349 [2018-02-02 20:21:10,253 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=312, Invalid=2040, Unknown=0, NotChecked=0, Total=2352 [2018-02-02 20:21:10,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2018-02-02 20:21:10,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 321. [2018-02-02 20:21:10,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-02-02 20:21:10,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 356 transitions. [2018-02-02 20:21:10,257 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 356 transitions. Word has length 76 [2018-02-02 20:21:10,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:10,257 INFO L432 AbstractCegarLoop]: Abstraction has 321 states and 356 transitions. [2018-02-02 20:21:10,257 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-02 20:21:10,257 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 356 transitions. [2018-02-02 20:21:10,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-02 20:21:10,258 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:10,258 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-02 20:21:10,258 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:10,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1429754505, now seen corresponding path program 4 times [2018-02-02 20:21:10,259 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:10,275 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:10,927 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 6 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:10,927 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:10,927 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-02 20:21:10,928 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:10,928 INFO L182 omatonBuilderFactory]: Interpolants [17499#true, 17500#false, 17501#(= |main_#t~malloc0.offset| 0), 17502#(= main_~a~0.offset 0), 17503#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 17504#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 17505#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 17506#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 17507#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 17508#(and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)) |main_#t~mem11.offset|) (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|) (= main_~a~0.offset 0)), 17509#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 17510#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 17511#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 17512#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 17513#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base)) (= main_~p~0.offset (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8)))), 17514#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 17515#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))) (= main_~a~0.offset 0)), 17516#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 17517#(and (= main_~a~0.offset |main_#t~malloc9.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 17518#(and (= 1 (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8)))) (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)) main_~t~0.base)) (not (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))))), 17519#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))), 17520#(and (= main_~a~0.offset |main_#t~mem11.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))))), 17521#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (= 0 main_~a~0.offset) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))))), 17522#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))) (= 1 (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))))), 17523#(or (= 3 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (and (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))))), 17524#(or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 17525#(or (= 3 |main_#t~mem14|) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0))), 17526#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 17527#(= 1 (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|)), 17528#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 17529#(= 1 |main_#t~mem17|)] [2018-02-02 20:21:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 6 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:10,928 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-02 20:21:10,928 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-02 20:21:10,929 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=819, Unknown=0, NotChecked=0, Total=930 [2018-02-02 20:21:10,929 INFO L87 Difference]: Start difference. First operand 321 states and 356 transitions. Second operand 31 states. [2018-02-02 20:21:12,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:12,770 INFO L93 Difference]: Finished difference Result 538 states and 587 transitions. [2018-02-02 20:21:12,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-02-02 20:21:12,770 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 82 [2018-02-02 20:21:12,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:12,773 INFO L225 Difference]: With dead ends: 538 [2018-02-02 20:21:12,773 INFO L226 Difference]: Without dead ends: 536 [2018-02-02 20:21:12,774 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1482 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=824, Invalid=5028, Unknown=0, NotChecked=0, Total=5852 [2018-02-02 20:21:12,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2018-02-02 20:21:12,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 378. [2018-02-02 20:21:12,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2018-02-02 20:21:12,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 421 transitions. [2018-02-02 20:21:12,778 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 421 transitions. Word has length 82 [2018-02-02 20:21:12,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:12,779 INFO L432 AbstractCegarLoop]: Abstraction has 378 states and 421 transitions. [2018-02-02 20:21:12,779 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-02 20:21:12,779 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 421 transitions. [2018-02-02 20:21:12,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-02 20:21:12,780 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:12,780 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:21:12,780 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:12,780 INFO L82 PathProgramCache]: Analyzing trace with hash 849125567, now seen corresponding path program 5 times [2018-02-02 20:21:12,780 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:12,795 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:13,682 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:13,683 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:13,683 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-02 20:21:13,683 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:13,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:13,683 INFO L182 omatonBuilderFactory]: Interpolants [18560#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))))), 18561#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (and (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 main_~a~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8))))), 18562#(or (= 3 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))))), 18563#(or (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8)))))), 18564#(or (= 3 |main_#t~mem14|) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8)))))), 18565#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))))), 18566#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 8)))) (= 0 |main_#t~mem18.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 8)))), 18567#(or (<= (+ main_~p~0.offset 1) 0) (and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))))), 18568#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))), 18569#(and (<= 12 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 18570#(and (<= 12 (select |#length| main_~p~0.base)) (= main_~p~0.offset 0)), 18538#true, 18539#false, 18540#(= |main_#t~malloc0.offset| 0), 18541#(= main_~a~0.offset 0), 18542#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 18543#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 18544#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 18545#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 18546#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 18547#(and (= 0 |main_#t~mem11.offset|) (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))), 18548#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 18549#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 18550#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 18551#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base))), 18552#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 8))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 18553#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) |main_#t~mem11.base|)), 18554#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 18555#(and (<= 0 main_~p~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 18556#(and (<= 0 main_~p~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~a~0.offset |main_#t~malloc9.offset|) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 18557#(and (<= 0 main_~p~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 0 main_~a~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~a~0.offset main_~t~0.offset) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)) main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (+ 0 8)))), 18558#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (<= 12 (select |#length| main_~p~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))), 18559#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~a~0.offset |main_#t~mem11.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))))] [2018-02-02 20:21:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:13,684 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-02 20:21:13,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-02 20:21:13,684 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=957, Unknown=0, NotChecked=0, Total=1056 [2018-02-02 20:21:13,684 INFO L87 Difference]: Start difference. First operand 378 states and 421 transitions. Second operand 33 states. [2018-02-02 20:21:15,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:15,851 INFO L93 Difference]: Finished difference Result 475 states and 525 transitions. [2018-02-02 20:21:15,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-02 20:21:15,851 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 82 [2018-02-02 20:21:15,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:15,852 INFO L225 Difference]: With dead ends: 475 [2018-02-02 20:21:15,852 INFO L226 Difference]: Without dead ends: 475 [2018-02-02 20:21:15,852 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1209 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=606, Invalid=4506, Unknown=0, NotChecked=0, Total=5112 [2018-02-02 20:21:15,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2018-02-02 20:21:15,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 391. [2018-02-02 20:21:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-02-02 20:21:15,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 437 transitions. [2018-02-02 20:21:15,856 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 437 transitions. Word has length 82 [2018-02-02 20:21:15,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:15,856 INFO L432 AbstractCegarLoop]: Abstraction has 391 states and 437 transitions. [2018-02-02 20:21:15,856 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-02 20:21:15,856 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 437 transitions. [2018-02-02 20:21:15,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-02 20:21:15,856 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:15,856 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:21:15,856 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:15,857 INFO L82 PathProgramCache]: Analyzing trace with hash 849125566, now seen corresponding path program 5 times [2018-02-02 20:21:15,857 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:15,869 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:16,750 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:16,750 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:16,750 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-02 20:21:16,750 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:16,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:16,751 INFO L182 omatonBuilderFactory]: Interpolants [19520#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 19521#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 19522#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 12 (select |#length| main_~t~0.base))), 19523#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 19524#(and (= 0 |main_#t~mem11.offset|) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|) (= 1 (select |#valid| main_~a~0.base)) (= main_~a~0.offset 0) (= 12 (select |#length| |main_#t~mem11.base|))), 19525#(and (= 1 (select |#valid| main_~a~0.base)) (= 12 (select |#length| main_~p~0.base)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 19526#(and (= (select |#valid| main_~a~0.base) 1) (= 12 (select |#length| main_~p~0.base)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 19527#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 12 (select |#length| main_~p~0.base)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 19528#(and (= 12 (select |#length| main_~p~0.base)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base))), 19529#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 12 (select |#length| main_~p~0.base)) (= main_~p~0.offset 0) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 19530#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= main_~a~0.offset 0) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 19531#(and (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 19532#(and (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (or (= main_~a~0.offset |main_#t~malloc9.offset|) (not (= main_~a~0.base |main_#t~malloc9.base|))) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 19533#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)) main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (+ 0 8)))), 19534#(and (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select |#valid| main_~p~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 19535#(and (or (= main_~a~0.offset |main_#t~mem11.offset|) (not (= main_~a~0.base |main_#t~mem11.base|))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 19536#(and (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))))) (= 0 main_~a~0.offset)), 19537#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8))))))), 19538#(and (= 0 main_~a~0.offset) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))) (= 3 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)))), 19539#(and (= main_~p~0.offset 0) (or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))))) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)))), 19540#(and (= main_~p~0.offset 0) (or (= 3 |main_#t~mem14|) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))))))), 19541#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))))), 19542#(and (= 12 (select |#length| |main_#t~mem18.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 8))))), 19543#(and (= (select |#length| main_~p~0.base) 12) (or (not (= main_~p~0.offset 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))))), 19544#(and (= (select |#length| main_~p~0.base) 12) (or (not (= main_~p~0.offset 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))))) (or (< 0 main_~p~0.offset) (= main_~p~0.offset 0))), 19545#(= 1 (select |#valid| |main_#t~mem18.base|)), 19546#(= 1 (select |#valid| main_~p~0.base)), 19515#true, 19516#false, 19517#(= |main_#t~malloc0.offset| 0), 19518#(= main_~a~0.offset 0), 19519#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base))] [2018-02-02 20:21:16,751 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:16,751 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-02 20:21:16,751 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-02 20:21:16,752 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=889, Unknown=0, NotChecked=0, Total=992 [2018-02-02 20:21:16,752 INFO L87 Difference]: Start difference. First operand 391 states and 437 transitions. Second operand 32 states. [2018-02-02 20:21:18,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:18,570 INFO L93 Difference]: Finished difference Result 455 states and 505 transitions. [2018-02-02 20:21:18,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-02 20:21:18,570 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 82 [2018-02-02 20:21:18,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:18,571 INFO L225 Difference]: With dead ends: 455 [2018-02-02 20:21:18,571 INFO L226 Difference]: Without dead ends: 455 [2018-02-02 20:21:18,572 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 934 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=566, Invalid=3594, Unknown=0, NotChecked=0, Total=4160 [2018-02-02 20:21:18,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-02-02 20:21:18,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 391. [2018-02-02 20:21:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-02-02 20:21:18,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 436 transitions. [2018-02-02 20:21:18,574 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 436 transitions. Word has length 82 [2018-02-02 20:21:18,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:18,575 INFO L432 AbstractCegarLoop]: Abstraction has 391 states and 436 transitions. [2018-02-02 20:21:18,575 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-02 20:21:18,575 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 436 transitions. [2018-02-02 20:21:18,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-02-02 20:21:18,575 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:18,575 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:21:18,575 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:18,575 INFO L82 PathProgramCache]: Analyzing trace with hash 48345454, now seen corresponding path program 3 times [2018-02-02 20:21:18,576 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:18,585 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:18,965 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-02 20:21:18,965 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:18,965 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-02 20:21:18,965 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:18,966 INFO L182 omatonBuilderFactory]: Interpolants [20480#(and (= main_~p~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 8)) 0))), 20481#(and (not (= (select (select |#memory_$Pointer$.base| main_~t~0.base) (+ 0 8)) 0)) (= main_~p~0.offset 0)), 20482#(not (= (select (select |#memory_$Pointer$.base| main_~t~0.base) (+ 0 8)) 0)), 20483#(or (<= (+ main_~p~0.offset 1) 0) (<= 1 main_~p~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) 0))), 20484#(or (<= (+ main_~p~0.offset 1) 0) (not (= |main_#t~mem21.base| 0)) (<= 1 main_~p~0.offset)), 20485#(or (<= (+ main_~p~0.offset 1) 0) (<= 1 main_~p~0.offset)), 20459#true, 20460#false, 20461#(= 0 |main_#t~malloc0.offset|), 20462#(= 0 main_~a~0.offset), 20463#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 20464#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 20465#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 20466#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 20467#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 20468#(and (= 0 |main_#t~mem11.offset|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)), 20469#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 20470#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 20471#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= |main_#t~malloc9.base| 0)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 20472#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~t~0.base 0)) (not (= main_~a~0.base main_~t~0.base))), 20473#(and (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8)) 0)) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 20474#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) 0))), 20475#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) 0)) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 20476#(and (= 0 main_~a~0.offset) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8)) 0))), 20477#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) 0))), 20478#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8))) (+ 0 8)) 0)) (= 0 main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 20479#(and (= main_~p~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8)) 0)))] [2018-02-02 20:21:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-02 20:21:18,966 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-02 20:21:18,966 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-02 20:21:18,966 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2018-02-02 20:21:18,966 INFO L87 Difference]: Start difference. First operand 391 states and 436 transitions. Second operand 27 states. [2018-02-02 20:21:19,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:19,879 INFO L93 Difference]: Finished difference Result 422 states and 467 transitions. [2018-02-02 20:21:19,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-02 20:21:19,879 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 83 [2018-02-02 20:21:19,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:19,880 INFO L225 Difference]: With dead ends: 422 [2018-02-02 20:21:19,880 INFO L226 Difference]: Without dead ends: 421 [2018-02-02 20:21:19,880 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=382, Invalid=2374, Unknown=0, NotChecked=0, Total=2756 [2018-02-02 20:21:19,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-02-02 20:21:19,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 387. [2018-02-02 20:21:19,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-02-02 20:21:19,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 431 transitions. [2018-02-02 20:21:19,884 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 431 transitions. Word has length 83 [2018-02-02 20:21:19,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:19,884 INFO L432 AbstractCegarLoop]: Abstraction has 387 states and 431 transitions. [2018-02-02 20:21:19,884 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-02 20:21:19,885 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 431 transitions. [2018-02-02 20:21:19,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-02 20:21:19,885 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:19,885 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:21:19,885 INFO L371 AbstractCegarLoop]: === Iteration 40 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:19,886 INFO L82 PathProgramCache]: Analyzing trace with hash -324650080, now seen corresponding path program 4 times [2018-02-02 20:21:19,886 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:19,902 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:20,666 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:20,666 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:20,666 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-02 20:21:20,666 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:20,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:20,667 INFO L182 omatonBuilderFactory]: Interpolants [21376#(and (= main_~p~0.offset 0) (not (= 0 main_~p~0.base)) (= 1 (select (store |#valid| main_~p~0.base 0) main_~t~0.base))), 21377#(= 1 (select |#valid| main_~t~0.base)), 21378#(= 1 (select |#valid| main_~p~0.base)), 21347#true, 21348#false, 21349#(and (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 21350#(and (= main_~a~0.offset 0) (not (= 0 main_~a~0.base))), 21351#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)), 21352#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= 0 main_~a~0.base)) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 21353#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)), 21354#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)), 21355#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= 0 main_~a~0.base)) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 21356#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|) (= main_~a~0.offset 0) (not (= 0 main_~a~0.base))), 21357#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= 0 main_~a~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 21358#(and (= main_~a~0.offset 0) (not (= 0 main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 21359#(and (not (= main_~a~0.base main_~p~0.base)) (= main_~a~0.offset 0) (not (= 0 main_~a~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base))), 21360#(and (not (= main_~a~0.base main_~p~0.base)) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~a~0.offset 0) (not (= 0 main_~a~0.base)) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 21361#(and (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= main_~a~0.offset 0) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base))), 21362#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= main_~a~0.offset 0) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base)) (not (= main_~p~0.base main_~a~0.base))), 21363#(and (= main_~a~0.offset |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base)) (not (= main_~p~0.base main_~a~0.base))), 21364#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)))) (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (not (= 0 main_~a~0.base)) (not (= main_~a~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))))), 21365#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base)) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))), 21366#(and (= main_~a~0.offset |main_#t~mem11.offset|) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base))), 21367#(and (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base)) (not (= main_~p~0.base main_~a~0.base)))) (= 0 main_~a~0.offset)), 21368#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (and (not (= 0 main_~a~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))) (not (= main_~a~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))))))), 21369#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base))) (= 3 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))) (= 0 main_~a~0.offset)), 21370#(and (= 0 main_~a~0.offset) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)))), 21371#(and (or (= 3 |main_#t~mem14|) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base))) (= 0 main_~a~0.offset)), 21372#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8)))) (= 0 main_~a~0.offset) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)), 21373#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= 0 main_~a~0.base))), 21374#(and (= 1 (select (store |#valid| main_~p~0.base 0) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (not (= 0 main_~p~0.base))), 21375#(and (= main_~p~0.offset 0) (= 1 (select (store |#valid| main_~p~0.base 0) |main_#t~mem22.base|)) (not (= 0 main_~p~0.base)))] [2018-02-02 20:21:20,667 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:20,667 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-02 20:21:20,667 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-02 20:21:20,667 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=874, Unknown=0, NotChecked=0, Total=992 [2018-02-02 20:21:20,667 INFO L87 Difference]: Start difference. First operand 387 states and 431 transitions. Second operand 32 states. [2018-02-02 20:21:22,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:22,420 INFO L93 Difference]: Finished difference Result 464 states and 514 transitions. [2018-02-02 20:21:22,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-02 20:21:22,420 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 85 [2018-02-02 20:21:22,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:22,421 INFO L225 Difference]: With dead ends: 464 [2018-02-02 20:21:22,421 INFO L226 Difference]: Without dead ends: 464 [2018-02-02 20:21:22,421 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1091 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=784, Invalid=3908, Unknown=0, NotChecked=0, Total=4692 [2018-02-02 20:21:22,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2018-02-02 20:21:22,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 416. [2018-02-02 20:21:22,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2018-02-02 20:21:22,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 471 transitions. [2018-02-02 20:21:22,425 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 471 transitions. Word has length 85 [2018-02-02 20:21:22,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:22,425 INFO L432 AbstractCegarLoop]: Abstraction has 416 states and 471 transitions. [2018-02-02 20:21:22,425 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-02 20:21:22,425 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 471 transitions. [2018-02-02 20:21:22,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-02 20:21:22,426 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:22,426 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:21:22,426 INFO L371 AbstractCegarLoop]: === Iteration 41 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:22,426 INFO L82 PathProgramCache]: Analyzing trace with hash -324650079, now seen corresponding path program 3 times [2018-02-02 20:21:22,426 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:22,435 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:23,244 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:23,244 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:23,244 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-02 20:21:23,244 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:23,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:23,245 INFO L182 omatonBuilderFactory]: Interpolants [22336#(= main_~a~0.offset 0), 22337#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 22338#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 22339#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 22340#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 12 (select |#length| main_~t~0.base))), 22341#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 22342#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem11.base|)) (= main_~a~0.offset 0) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| |main_#t~mem11.base|))), 22343#(and (= (select |#valid| main_~a~0.base) 1) (= 12 (select |#length| main_~p~0.base)) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 22344#(and (= main_~a~0.offset 0) (= (select |#length| main_~p~0.base) 12) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 22345#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= main_~a~0.offset 0) (= (select |#length| main_~p~0.base) 12) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base))), 22346#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~a~0.offset 0) (= (select |#length| main_~p~0.base) 12) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 22347#(and (not (= main_~a~0.base |main_#t~mem11.base|)) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 22348#(and (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 22349#(and (= 0 main_~a~0.offset) (or (= main_~a~0.offset |main_#t~malloc9.offset|) (not (= main_~a~0.base |main_#t~malloc9.base|))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 22350#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))))), 22351#(and (= 0 main_~a~0.offset) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 22352#(and (or (= main_~a~0.offset |main_#t~mem11.offset|) (not (= main_~a~0.base |main_#t~mem11.base|))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 22353#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))))), 22354#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))))), 22355#(and (= 0 main_~a~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))) (= 3 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)))), 22356#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 8))) (= main_~p~0.base main_~a~0.base) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8))))) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)))), 22357#(and (= 0 main_~a~0.offset) (or (= 3 |main_#t~mem14|) (and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 8))) (= main_~p~0.base main_~a~0.base) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8))))))), 22358#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 8))) (= main_~p~0.base main_~a~0.base) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8))))), 22359#(and (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem18.base|) (= 12 (select |#length| |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))), 22360#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 22361#(and (= 0 main_~a~0.offset) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))), 22362#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0)), 22363#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0)), 22364#(and (<= 12 (select |#length| |main_#t~mem22.base|)) (= main_~p~0.offset 0) (= 0 |main_#t~mem22.offset|)), 22365#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (<= 12 (select |#length| main_~t~0.base))), 22366#(and (= 0 main_~t~0.offset) (<= 12 (select |#length| main_~t~0.base))), 22367#(and (<= 12 (select |#length| main_~p~0.base)) (= main_~p~0.offset 0)), 22333#true, 22334#false, 22335#(= |main_#t~malloc0.offset| 0)] [2018-02-02 20:21:23,245 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:23,245 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-02 20:21:23,245 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-02 20:21:23,245 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1021, Unknown=0, NotChecked=0, Total=1190 [2018-02-02 20:21:23,245 INFO L87 Difference]: Start difference. First operand 416 states and 471 transitions. Second operand 35 states. [2018-02-02 20:21:25,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:25,469 INFO L93 Difference]: Finished difference Result 500 states and 549 transitions. [2018-02-02 20:21:25,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-02-02 20:21:25,469 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 85 [2018-02-02 20:21:25,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:25,470 INFO L225 Difference]: With dead ends: 500 [2018-02-02 20:21:25,470 INFO L226 Difference]: Without dead ends: 500 [2018-02-02 20:21:25,470 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1679 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1119, Invalid=5361, Unknown=0, NotChecked=0, Total=6480 [2018-02-02 20:21:25,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2018-02-02 20:21:25,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 418. [2018-02-02 20:21:25,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2018-02-02 20:21:25,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 473 transitions. [2018-02-02 20:21:25,475 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 473 transitions. Word has length 85 [2018-02-02 20:21:25,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:25,475 INFO L432 AbstractCegarLoop]: Abstraction has 418 states and 473 transitions. [2018-02-02 20:21:25,475 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-02 20:21:25,475 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 473 transitions. [2018-02-02 20:21:25,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-02 20:21:25,476 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:25,476 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-02-02 20:21:25,476 INFO L371 AbstractCegarLoop]: === Iteration 42 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:25,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1399906218, now seen corresponding path program 5 times [2018-02-02 20:21:25,477 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:25,490 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:26,220 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-02 20:21:26,220 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:26,220 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-02 20:21:26,220 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:26,221 INFO L182 omatonBuilderFactory]: Interpolants [23378#true, 23379#false, 23380#(= 0 (select |#valid| 0)), 23381#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|) (= 0 (select |#valid| 0))), 23382#(and (= 0 main_~a~0.offset) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base))), 23383#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)), 23384#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 23385#(and (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (not (= |main_#t~malloc9.base| main_~p~0.base)) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)), 23386#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base) (not (= main_~t~0.base main_~p~0.base))), 23387#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) main_~p~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 23388#(and (= 0 |main_#t~mem11.offset|) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|) (= 1 (select |#valid| main_~a~0.base)) (= 0 (select |#valid| 0)) (not (= |main_#t~mem11.base| main_~a~0.base))), 23389#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~a~0.base)) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 23390#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~a~0.base)) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 23391#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (not (= main_~p~0.base main_~a~0.base)) (not (= |main_#t~malloc9.base| main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) main_~p~0.base)), 23392#(and (not (= main_~t~0.base main_~a~0.base)) (= 0 main_~a~0.offset) (= 0 (select |#valid| 0)) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (not (= 0 main_~a~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)))), 23393#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 (select |#valid| 0)) (= main_~p~0.offset 0) (not (= 0 main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 23394#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (not (= |main_#t~mem11.base| main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) |main_#t~mem11.base|)), 23395#(and (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 23396#(and (not (= main_~a~0.base main_~p~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (= 1 (select |#valid| main_~p~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)) main_~p~0.base))), 23397#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 main_~a~0.offset) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))))), 23398#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8))) (+ 0 8)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8))) (+ 0 8)))) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8))) (+ 0 8))))), 23399#(and (= 0 (select |#valid| 0)) (= main_~p~0.offset 0) (not (= 0 main_~p~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8)))) (= 1 (select (store |#valid| main_~p~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))))), 23400#(and (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) |main_#t~mem21.base|) (= 0 (select |#valid| 0)) (= main_~p~0.offset 0) (not (= 0 main_~p~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8)))) (= 1 (select (store |#valid| main_~p~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))))), 23401#(and (= main_~p~0.offset 0) (not (= 0 main_~p~0.base)) (or (= 0 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))))) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8)))) (= 1 (select (store |#valid| main_~p~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))))), 23402#(and (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0) (not (= 0 main_~p~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 8)))) (= 1 (select (store |#valid| main_~p~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 8)))) (or (not (= 0 |main_#t~mem22.base|)) (= 0 (select |#valid| 0)))), 23403#(and (or (not (= 0 main_~t~0.base)) (= 0 (select |#valid| 0))) (= main_~t~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~t~0.base) (+ 0 8)))) (= 1 (select (store |#valid| main_~p~0.base 0) (select (select |#memory_$Pointer$.base| main_~t~0.base) (+ 0 8)))) (= main_~p~0.offset 0) (not (= 0 main_~p~0.base))), 23404#(and (or (not (= 0 main_~t~0.base)) (= 0 (select |#valid| 0))) (not (= main_~t~0.base (select (select |#memory_$Pointer$.base| main_~t~0.base) (+ 0 8)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~t~0.base) (+ 0 8))))), 23405#(or (and (= 1 (select (store |#valid| main_~p~0.base 0) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= 0 main_~p~0.base))) (<= (+ main_~p~0.offset 1) 0) (not (= 1 (select |#valid| main_~p~0.base))) (<= 1 main_~p~0.offset)), 23406#(and (or (and (= 1 (select (store |#valid| main_~p~0.base 0) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= 0 main_~p~0.base))) (<= (+ main_~p~0.offset 1) 0) (<= 1 main_~p~0.offset)) (= 1 (select |#valid| main_~p~0.base))), 23407#(and (or (and (= 1 (select (store |#valid| main_~p~0.base 0) |main_#t~mem22.base|)) (not (= 0 main_~p~0.base))) (<= (+ main_~p~0.offset 1) 0) (<= 1 main_~p~0.offset)) (= 1 (select |#valid| main_~p~0.base))), 23408#(and (= 1 (select |#valid| main_~p~0.base)) (or (<= (+ main_~p~0.offset 1) 0) (and (not (= 0 main_~p~0.base)) (= 1 (select (store |#valid| main_~p~0.base 0) main_~t~0.base))) (<= 1 main_~p~0.offset))), 23409#(= 1 (select |#valid| main_~t~0.base)), 23410#(= 1 (select |#valid| main_~p~0.base))] [2018-02-02 20:21:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-02 20:21:26,221 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-02 20:21:26,221 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-02 20:21:26,221 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2018-02-02 20:21:26,221 INFO L87 Difference]: Start difference. First operand 418 states and 473 transitions. Second operand 33 states. [2018-02-02 20:21:27,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:27,887 INFO L93 Difference]: Finished difference Result 441 states and 497 transitions. [2018-02-02 20:21:27,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-02 20:21:27,888 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 86 [2018-02-02 20:21:27,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:27,889 INFO L225 Difference]: With dead ends: 441 [2018-02-02 20:21:27,889 INFO L226 Difference]: Without dead ends: 441 [2018-02-02 20:21:27,889 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=577, Invalid=3845, Unknown=0, NotChecked=0, Total=4422 [2018-02-02 20:21:27,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-02-02 20:21:27,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 427. [2018-02-02 20:21:27,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-02-02 20:21:27,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 483 transitions. [2018-02-02 20:21:27,892 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 483 transitions. Word has length 86 [2018-02-02 20:21:27,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:27,892 INFO L432 AbstractCegarLoop]: Abstraction has 427 states and 483 transitions. [2018-02-02 20:21:27,892 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-02 20:21:27,892 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 483 transitions. [2018-02-02 20:21:27,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-02 20:21:27,892 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:27,893 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-02-02 20:21:27,893 INFO L371 AbstractCegarLoop]: === Iteration 43 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:27,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1399906217, now seen corresponding path program 4 times [2018-02-02 20:21:27,893 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:27,902 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:28,453 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:28,453 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:28,477 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-02 20:21:28,477 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:28,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:28,478 INFO L182 omatonBuilderFactory]: Interpolants [24347#true, 24348#false, 24349#(= 0 |main_#t~malloc0.offset|), 24350#(= 0 main_~a~0.offset), 24351#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 24352#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 24353#(and (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (not (= |main_#t~malloc9.base| main_~p~0.base)) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 24354#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base) (not (= main_~t~0.base main_~p~0.base))), 24355#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) main_~p~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 24356#(and (= 0 |main_#t~mem11.offset|) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|) (= 1 (select |#valid| main_~a~0.base)) (not (= |main_#t~mem11.base| main_~a~0.base))), 24357#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~a~0.base)) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 24358#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~a~0.base)) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 24359#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (not (= |main_#t~malloc9.base| main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 24360#(and (not (= main_~t~0.base main_~a~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (= 12 (select |#length| main_~t~0.base))), 24361#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8))))), 24362#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (not (= |main_#t~mem11.base| main_~a~0.base))), 24363#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 24364#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 main_~a~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8)))), 24365#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))))), 24366#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8)))) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 24367#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 8)))) (= 0 main_~a~0.offset) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 8)))), 24368#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8))))), 24369#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8)))) (= main_~p~0.offset 0)), 24370#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 8)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) (+ 0 8)))), 24371#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~t~0.base) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~t~0.base) (+ 0 8))) (= main_~p~0.offset 0)), 24372#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~t~0.base) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~t~0.base) (+ 0 8)))), 24373#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))))) (<= (+ main_~p~0.offset 1) 0) (not (= 1 (select |#valid| main_~p~0.base))) (<= 1 main_~p~0.offset)), 24374#(or (<= (+ main_~p~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select |#valid| main_~p~0.base))) (<= 1 main_~p~0.offset)), 24375#(or (and (= 12 (select |#length| |main_#t~mem22.base|)) (= 1 (select |#valid| main_~p~0.base)) (= 0 |main_#t~mem22.offset|)) (<= (+ main_~p~0.offset 1) 0) (<= 1 main_~p~0.offset)), 24376#(or (and (= 0 main_~t~0.offset) (= 1 (select |#valid| main_~p~0.base)) (= 12 (select |#length| main_~t~0.base))) (<= (+ main_~p~0.offset 1) 0) (<= 1 main_~p~0.offset)), 24377#(and (= 0 main_~t~0.offset) (= 12 (select |#length| main_~t~0.base))), 24378#(and (= main_~p~0.offset 0) (= (select |#length| main_~p~0.base) 12))] [2018-02-02 20:21:28,478 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:28,478 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-02 20:21:28,478 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-02 20:21:28,478 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2018-02-02 20:21:28,478 INFO L87 Difference]: Start difference. First operand 427 states and 483 transitions. Second operand 32 states. [2018-02-02 20:21:30,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:30,176 INFO L93 Difference]: Finished difference Result 459 states and 514 transitions. [2018-02-02 20:21:30,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-02 20:21:30,177 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 86 [2018-02-02 20:21:30,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:30,178 INFO L225 Difference]: With dead ends: 459 [2018-02-02 20:21:30,178 INFO L226 Difference]: Without dead ends: 459 [2018-02-02 20:21:30,179 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1183 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=598, Invalid=4372, Unknown=0, NotChecked=0, Total=4970 [2018-02-02 20:21:30,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2018-02-02 20:21:30,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 418. [2018-02-02 20:21:30,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2018-02-02 20:21:30,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 473 transitions. [2018-02-02 20:21:30,183 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 473 transitions. Word has length 86 [2018-02-02 20:21:30,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:30,184 INFO L432 AbstractCegarLoop]: Abstraction has 418 states and 473 transitions. [2018-02-02 20:21:30,184 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-02 20:21:30,184 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 473 transitions. [2018-02-02 20:21:30,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-02-02 20:21:30,185 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:30,185 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:21:30,185 INFO L371 AbstractCegarLoop]: === Iteration 44 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:30,185 INFO L82 PathProgramCache]: Analyzing trace with hash 125616033, now seen corresponding path program 6 times [2018-02-02 20:21:30,186 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:30,207 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:31,159 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:31,159 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:31,160 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-02 20:21:31,160 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:31,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:31,160 INFO L182 omatonBuilderFactory]: Interpolants [25344#(and (= (select |#valid| main_~a~0.base) 1) (= 12 (select |#length| main_~p~0.base)) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 25345#(and (= (select |#valid| main_~a~0.base) 1) (= 12 (select |#length| main_~p~0.base)) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 25346#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 12 (select |#length| main_~p~0.base)) (= main_~a~0.offset 0) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base))), 25347#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= (select |#valid| main_~a~0.base) 1) (= 12 (select |#length| main_~p~0.base)) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 25348#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 25349#(and (= (select |#valid| main_~a~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 25350#(and (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 0)) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 25351#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)))) (= main_~a~0.offset 0) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) 0)) (not (= main_~a~0.base main_~t~0.base))), 25352#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 0)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 25353#(and (not (= main_~a~0.base |main_#t~mem11.base|)) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 0)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 25354#(and (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 0)) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 25355#(and (= 0 main_~a~0.offset) (or (= main_~a~0.offset |main_#t~malloc9.offset|) (not (= main_~a~0.base |main_#t~malloc9.base|))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 25356#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))))), 25357#(and (= 0 main_~a~0.offset) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 25358#(and (or (= main_~a~0.offset |main_#t~mem11.offset|) (not (= main_~a~0.base |main_#t~mem11.base|))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 25359#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))))), 25360#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))))), 25361#(and (= 0 main_~a~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))) (= 3 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)))), 25362#(and (= main_~p~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))))) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)))), 25363#(and (= main_~p~0.offset 0) (or (= 3 |main_#t~mem14|) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))))))), 25364#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 25365#(and (= 12 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 25366#(and (= main_~p~0.offset 0) (= (select |#length| main_~p~0.base) 12)), 25334#true, 25335#false, 25336#(= |main_#t~malloc0.offset| 0), 25337#(= main_~a~0.offset 0), 25338#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 25339#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 25340#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 25341#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 12 (select |#length| main_~t~0.base))), 25342#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 25343#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 12 (select |#length| |main_#t~mem11.base|)))] [2018-02-02 20:21:31,160 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:31,160 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-02 20:21:31,161 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-02 20:21:31,161 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=909, Unknown=0, NotChecked=0, Total=1056 [2018-02-02 20:21:31,161 INFO L87 Difference]: Start difference. First operand 418 states and 473 transitions. Second operand 33 states. [2018-02-02 20:21:32,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:32,242 INFO L93 Difference]: Finished difference Result 446 states and 503 transitions. [2018-02-02 20:21:32,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-02 20:21:32,242 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 88 [2018-02-02 20:21:32,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:32,243 INFO L225 Difference]: With dead ends: 446 [2018-02-02 20:21:32,243 INFO L226 Difference]: Without dead ends: 446 [2018-02-02 20:21:32,244 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=488, Invalid=2374, Unknown=0, NotChecked=0, Total=2862 [2018-02-02 20:21:32,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2018-02-02 20:21:32,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 430. [2018-02-02 20:21:32,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2018-02-02 20:21:32,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 488 transitions. [2018-02-02 20:21:32,246 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 488 transitions. Word has length 88 [2018-02-02 20:21:32,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:32,247 INFO L432 AbstractCegarLoop]: Abstraction has 430 states and 488 transitions. [2018-02-02 20:21:32,247 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-02 20:21:32,247 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 488 transitions. [2018-02-02 20:21:32,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-02-02 20:21:32,247 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:32,247 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:21:32,247 INFO L371 AbstractCegarLoop]: === Iteration 45 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:32,247 INFO L82 PathProgramCache]: Analyzing trace with hash 125616032, now seen corresponding path program 6 times [2018-02-02 20:21:32,248 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:32,258 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:32,971 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:32,971 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-02 20:21:32,971 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:32,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:32,972 INFO L182 omatonBuilderFactory]: Interpolants [26304#(and (not (= main_~a~0.base |main_#t~mem11.base|)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= main_~a~0.offset 0)), 26305#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 26306#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= 0 main_~a~0.offset) (or (= main_~a~0.offset |main_#t~malloc9.offset|) (not (= main_~a~0.base |main_#t~malloc9.base|))) (not (= main_~p~0.base main_~a~0.base))), 26307#(and (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)))) (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 main_~a~0.offset)), 26308#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))))), 26309#(and (or (= main_~a~0.offset |main_#t~mem11.offset|) (not (= main_~a~0.base |main_#t~mem11.base|))) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 26310#(and (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.base main_~a~0.base)))) (= 0 main_~a~0.offset)), 26311#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))))), 26312#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= 3 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)))), 26313#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= main_~p~0.offset 0)), 26314#(and (= main_~p~0.offset 0) (or (= 3 |main_#t~mem14|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))))), 26315#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 26316#(= 1 (select |#valid| |main_#t~mem18.base|)), 26317#(= (select |#valid| main_~p~0.base) 1), 26285#true, 26286#false, 26287#(= |main_#t~malloc0.offset| 0), 26288#(= main_~a~0.offset 0), 26289#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 26290#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 26291#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 26292#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 26293#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 26294#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem11.base|)) (= main_~a~0.offset 0) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 26295#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 26296#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 26297#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base))), 26298#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 26299#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= main_~a~0.offset 0)), 26300#(and (= (select |#valid| main_~a~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 26301#(and (= main_~a~0.offset 0) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= |main_#t~malloc9.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base))), 26302#(and (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)))) (= main_~t~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)))) (= main_~a~0.offset 0) (not (= main_~a~0.base main_~t~0.base))), 26303#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~a~0.offset 0) (or (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))))] [2018-02-02 20:21:32,972 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:32,972 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-02 20:21:32,972 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-02 20:21:32,972 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=932, Unknown=0, NotChecked=0, Total=1056 [2018-02-02 20:21:32,972 INFO L87 Difference]: Start difference. First operand 430 states and 488 transitions. Second operand 33 states. [2018-02-02 20:21:33,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:33,894 INFO L93 Difference]: Finished difference Result 455 states and 512 transitions. [2018-02-02 20:21:33,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-02 20:21:33,894 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 88 [2018-02-02 20:21:33,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:33,895 INFO L225 Difference]: With dead ends: 455 [2018-02-02 20:21:33,895 INFO L226 Difference]: Without dead ends: 455 [2018-02-02 20:21:33,896 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 771 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=582, Invalid=2840, Unknown=0, NotChecked=0, Total=3422 [2018-02-02 20:21:33,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-02-02 20:21:33,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 430. [2018-02-02 20:21:33,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2018-02-02 20:21:33,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 487 transitions. [2018-02-02 20:21:33,898 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 487 transitions. Word has length 88 [2018-02-02 20:21:33,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:33,898 INFO L432 AbstractCegarLoop]: Abstraction has 430 states and 487 transitions. [2018-02-02 20:21:33,898 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-02 20:21:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 487 transitions. [2018-02-02 20:21:33,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-02-02 20:21:33,899 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:33,899 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:21:33,899 INFO L371 AbstractCegarLoop]: === Iteration 46 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:33,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1913744592, now seen corresponding path program 4 times [2018-02-02 20:21:33,900 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:33,909 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:34,473 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:34,473 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:34,473 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-02 20:21:34,473 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:34,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:34,473 INFO L182 omatonBuilderFactory]: Interpolants [27264#(and (= 0 |main_#t~mem11.offset|) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|) (= 1 (select |#valid| main_~a~0.base)) (not (= |main_#t~mem11.base| main_~a~0.base))), 27265#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~a~0.base)) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 27266#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~a~0.base)) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 27267#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~a~0.base)) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= |main_#t~malloc9.base| 0)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 27268#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~a~0.base)) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~t~0.base 0)) (not (= main_~a~0.base main_~t~0.base))), 27269#(and (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8)) 0)) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 27270#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= 1 (select |#valid| main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) 0))), 27271#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= 1 (select |#valid| main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) 0)) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 27272#(and (= 0 main_~a~0.offset) (not (= |main_#t~malloc9.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) 0)) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 27273#(and (not (= main_~t~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)))) (= 0 main_~a~0.offset) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (+ 0 8)) 0)) (not (= main_~a~0.base main_~t~0.base))), 27274#(and (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) 0))), 27275#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) 0))), 27276#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) 0)) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 27277#(and (= 0 main_~a~0.offset) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8)) 0))), 27278#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) 0))), 27279#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8))) (+ 0 8)) 0)) (= 0 main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 27280#(and (= main_~p~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8)) 0))), 27281#(and (= main_~p~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 8)) 0))), 27282#(and (not (= (select (select |#memory_$Pointer$.base| main_~t~0.base) (+ 0 8)) 0)) (= main_~p~0.offset 0)), 27283#(not (= (select (select |#memory_$Pointer$.base| main_~t~0.base) (+ 0 8)) 0)), 27284#(or (<= (+ main_~p~0.offset 1) 0) (not (= 1 (select |#valid| main_~p~0.base))) (<= 1 main_~p~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) 0))), 27285#(and (or (<= (+ main_~p~0.offset 1) 0) (not (= |main_#t~mem21.base| 0)) (<= 1 main_~p~0.offset)) (= 1 (select |#valid| main_~p~0.base))), 27286#(and (or (<= (+ main_~p~0.offset 1) 0) (<= 1 main_~p~0.offset)) (= 1 (select |#valid| main_~p~0.base))), 27255#true, 27256#false, 27257#(= 0 |main_#t~malloc0.offset|), 27258#(= 0 main_~a~0.offset), 27259#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 27260#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 27261#(and (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (not (= |main_#t~malloc9.base| main_~p~0.base)) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 27262#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base) (not (= main_~t~0.base main_~p~0.base))), 27263#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) main_~p~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base))] [2018-02-02 20:21:34,474 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:34,474 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-02 20:21:34,474 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-02 20:21:34,474 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=880, Unknown=0, NotChecked=0, Total=992 [2018-02-02 20:21:34,474 INFO L87 Difference]: Start difference. First operand 430 states and 487 transitions. Second operand 32 states. [2018-02-02 20:21:35,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:35,585 INFO L93 Difference]: Finished difference Result 460 states and 518 transitions. [2018-02-02 20:21:35,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-02 20:21:35,585 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 89 [2018-02-02 20:21:35,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:35,586 INFO L225 Difference]: With dead ends: 460 [2018-02-02 20:21:35,586 INFO L226 Difference]: Without dead ends: 459 [2018-02-02 20:21:35,586 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=442, Invalid=2980, Unknown=0, NotChecked=0, Total=3422 [2018-02-02 20:21:35,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2018-02-02 20:21:35,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 448. [2018-02-02 20:21:35,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2018-02-02 20:21:35,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 508 transitions. [2018-02-02 20:21:35,591 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 508 transitions. Word has length 89 [2018-02-02 20:21:35,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:35,591 INFO L432 AbstractCegarLoop]: Abstraction has 448 states and 508 transitions. [2018-02-02 20:21:35,591 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-02 20:21:35,591 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 508 transitions. [2018-02-02 20:21:35,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-02 20:21:35,592 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:35,592 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-02-02 20:21:35,592 INFO L371 AbstractCegarLoop]: === Iteration 47 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:35,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1796405626, now seen corresponding path program 5 times [2018-02-02 20:21:35,593 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:35,612 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:37,801 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:37,801 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:37,801 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-02 20:21:37,801 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:37,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:37,802 INFO L182 omatonBuilderFactory]: Interpolants [28249#true, 28250#false, 28251#(= 0 (select |#valid| 0)), 28252#(and (= |#valid| |old(#valid)|) (= 0 (select |#valid| 0))), 28253#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|) (= 0 (select |#valid| 0))), 28254#(and (= (store |#valid| main_~a~0.base 0) |old(#valid)|) (= 0 main_~a~0.offset) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base))), 28255#(and (= (store |#valid| main_~a~0.base 0) |old(#valid)|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)), 28256#(and (= (store |#valid| main_~a~0.base 0) |old(#valid)|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 28257#(and (= (store (store |#valid| |main_#t~malloc9.base| 0) main_~a~0.base 0) |old(#valid)|) (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (= main_~p~0.base main_~a~0.base)), 28258#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= main_~p~0.base main_~t~0.base)) (not (= 0 main_~a~0.base)) (= (store (store |#valid| main_~t~0.base 0) main_~a~0.base 0) |old(#valid)|) (= main_~p~0.base main_~a~0.base)), 28259#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) 0) main_~a~0.base 0) |old(#valid)|) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 28260#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) 8) 0) main_~a~0.base 0) |old(#valid)|) (= 0 |main_#t~mem11.offset|) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (= 1 (select |#valid| main_~a~0.base)) (= 0 (select |#valid| 0)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 28261#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) 8) 0) main_~a~0.base 0) |old(#valid)|) (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~a~0.base)) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 28262#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) 8) 0) main_~a~0.base 0) |old(#valid)|) (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~a~0.base)) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 28263#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= 0 (select |#valid| 0)) (= main_~p~0.offset 0) (not (= 0 main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= (store (store (store |#valid| |main_#t~malloc9.base| 0) (select (select |#memory_$Pointer$.base| main_~a~0.base) 8) 0) main_~a~0.base 0) |old(#valid)|)), 28264#(and (= 0 main_~a~0.offset) (= (store (store (store |#valid| main_~t~0.base 0) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) 8) 0) main_~a~0.base 0) |old(#valid)|) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= main_~p~0.base main_~t~0.base)) (not (= 0 main_~a~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base))), 28265#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) 0) (select (select |#memory_$Pointer$.base| main_~a~0.base) 8) 0) main_~a~0.base 0) |old(#valid)|) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 28266#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem11.base|)) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) 8)) 8) 0) (select (select |#memory_$Pointer$.base| main_~a~0.base) 8) 0) main_~a~0.base 0)) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base))), 28267#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 main_~a~0.offset) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) 8)) 8) 0) (select (select |#memory_$Pointer$.base| main_~a~0.base) 8) 0) main_~a~0.base 0)) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 28268#(and (not (= main_~a~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 main_~a~0.offset) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 (select |#valid| 0)) (= (store (store (store |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) 8)) 8) 0) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) 8) 0) main_~a~0.base 0) |old(#valid)|) (not (= 0 main_~a~0.base))), 28269#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 main_~a~0.offset) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) 8)) 8) 0) (select (select |#memory_$Pointer$.base| main_~a~0.base) 8) 0) main_~a~0.base 0)) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base))), 28270#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8)))) (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) 8) 0) (select (select |#memory_$Pointer$.base| main_~p~0.base) 8) 0) main_~a~0.base 0)) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8)))) (= main_~p~0.base main_~a~0.base)), 28271#(and (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) 8) 0) (select (select |#memory_$Pointer$.base| main_~a~0.base) 8) 0) main_~a~0.base 0) |old(#valid)|) (= 0 main_~a~0.offset) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 8)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 8))))), 28272#(and (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) 8) 0) (select (select |#memory_$Pointer$.base| main_~a~0.base) 8) 0) main_~a~0.base 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 main_~a~0.offset) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8)))) (= 0 (select |#valid| 0)) (not (= 0 main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 28273#(and (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) 8) 0) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) 0) main_~p~0.base (select (store |#valid| main_~p~0.base 0) main_~p~0.base)) |old(#valid)|) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= 0 main_~p~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8)))) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))))), 28274#(and (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) 8) 0) |main_#t~mem22.base| 0) main_~p~0.base (select (store |#valid| main_~p~0.base 0) main_~p~0.base)) |old(#valid)|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 8)))) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= 0 main_~p~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 8))))), 28275#(and (= main_~t~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~t~0.base) 8) 0) main_~t~0.base 0) main_~p~0.base (select (store |#valid| main_~p~0.base 0) main_~p~0.base))) (not (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~t~0.base) (+ 0 8)))) (= main_~p~0.offset 0) (= 0 (select |#valid| 0)) (not (= 0 main_~p~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~t~0.base) (+ 0 8))))), 28276#(and (not (= main_~t~0.base (select (select |#memory_$Pointer$.base| main_~t~0.base) (+ 0 8)))) (= 0 (select |#valid| 0)) (= |old(#valid)| (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~t~0.base) 8) 0) main_~t~0.base 0))), 28277#(or (and (or (<= (+ main_~p~0.offset 1) 0) (and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) 0) main_~p~0.base (select (store |#valid| main_~p~0.base 0) main_~p~0.base)) |old(#valid)|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))))) (<= 1 main_~p~0.offset)) (not (= (select |#valid| 0) (select |#valid| main_~p~0.base)))) (not (= 1 (select |#valid| main_~p~0.base)))), 28278#(and (or (<= (+ main_~p~0.offset 1) 0) (and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) 0) main_~p~0.base (select (store |#valid| main_~p~0.base 0) main_~p~0.base)) |old(#valid)|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))))) (<= 1 main_~p~0.offset)) (not (= (select |#valid| 0) (select |#valid| main_~p~0.base))) (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) |main_#t~mem21.base|) (= 1 (select |#valid| main_~p~0.base))), 28279#(and (or (<= (+ main_~p~0.offset 1) 0) (and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)) 0) main_~p~0.base (select (store |#valid| main_~p~0.base 0) main_~p~0.base)) |old(#valid)|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))))) (<= 1 main_~p~0.offset)) (not (= main_~p~0.base 0)) (= 1 (select |#valid| main_~p~0.base)) (or (not (= (select |#valid| 0) (select |#valid| main_~p~0.base))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))))), 28280#(and (or (and (not (= main_~p~0.base |main_#t~mem22.base|)) (= (store (store |#valid| |main_#t~mem22.base| 0) main_~p~0.base (select (store |#valid| main_~p~0.base 0) main_~p~0.base)) |old(#valid)|)) (<= (+ main_~p~0.offset 1) 0) (<= 1 main_~p~0.offset)) (not (= main_~p~0.base 0)) (= 1 (select |#valid| main_~p~0.base)) (or (not (= 0 |main_#t~mem22.base|)) (not (= (select |#valid| 0) (select |#valid| main_~p~0.base))))), 28281#(and (not (= main_~p~0.base 0)) (= 1 (select |#valid| main_~p~0.base)) (or (not (= 0 main_~t~0.base)) (not (= (select |#valid| 0) (select |#valid| main_~p~0.base)))) (or (and (not (= main_~p~0.base main_~t~0.base)) (= (store (store |#valid| main_~t~0.base 0) main_~p~0.base (select (store |#valid| main_~p~0.base 0) main_~p~0.base)) |old(#valid)|)) (<= (+ main_~p~0.offset 1) 0) (<= 1 main_~p~0.offset))), 28282#(and (or (not (= 0 main_~t~0.base)) (not (= (select |#valid| 0) 1))) (= |old(#valid)| (store |#valid| main_~t~0.base 0))), 28283#(and (or (not (= 0 main_~p~0.base)) (not (= (select |#valid| main_~p~0.base) 1))) (= (store |#valid| main_~p~0.base (select (store |#valid| main_~p~0.base 0) main_~p~0.base)) |old(#valid)|)), 28284#(and (not (= 0 main_~p~0.base)) (= (store |#valid| main_~p~0.base (select (store |#valid| main_~p~0.base 0) main_~p~0.base)) |old(#valid)|)), 28285#(= |#valid| |old(#valid)|)] [2018-02-02 20:21:37,802 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:37,802 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-02 20:21:37,802 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-02 20:21:37,802 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1210, Unknown=0, NotChecked=0, Total=1332 [2018-02-02 20:21:37,802 INFO L87 Difference]: Start difference. First operand 448 states and 508 transitions. Second operand 37 states. [2018-02-02 20:21:39,642 WARN L146 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 80 DAG size of output 61 [2018-02-02 20:21:40,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:40,666 INFO L93 Difference]: Finished difference Result 466 states and 526 transitions. [2018-02-02 20:21:40,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-02 20:21:40,666 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 90 [2018-02-02 20:21:40,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:40,667 INFO L225 Difference]: With dead ends: 466 [2018-02-02 20:21:40,667 INFO L226 Difference]: Without dead ends: 463 [2018-02-02 20:21:40,668 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 12 SyntacticMatches, 8 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=392, Invalid=3898, Unknown=0, NotChecked=0, Total=4290 [2018-02-02 20:21:40,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2018-02-02 20:21:40,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 437. [2018-02-02 20:21:40,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-02-02 20:21:40,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 496 transitions. [2018-02-02 20:21:40,672 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 496 transitions. Word has length 90 [2018-02-02 20:21:40,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:40,672 INFO L432 AbstractCegarLoop]: Abstraction has 437 states and 496 transitions. [2018-02-02 20:21:40,672 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-02 20:21:40,672 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 496 transitions. [2018-02-02 20:21:40,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-02-02 20:21:40,673 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:40,673 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:21:40,673 INFO L371 AbstractCegarLoop]: === Iteration 48 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:40,673 INFO L82 PathProgramCache]: Analyzing trace with hash -247091531, now seen corresponding path program 5 times [2018-02-02 20:21:40,674 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:40,696 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 10 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:41,719 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:41,719 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-02 20:21:41,719 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:41,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:41,720 INFO L182 omatonBuilderFactory]: Interpolants [29248#false, 29249#(= |main_#t~malloc0.offset| 0), 29250#(= main_~a~0.offset 0), 29251#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 29252#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 29253#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 29254#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 12 (select |#length| main_~t~0.base))), 29255#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 29256#(and (= 0 |main_#t~mem11.offset|) (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|) (= main_~a~0.offset 0) (= 12 (select |#length| |main_#t~mem11.base|))), 29257#(and (= (select |#valid| main_~a~0.base) 1) (= 12 (select |#length| main_~p~0.base)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 29258#(and (= (select |#valid| main_~a~0.base) 1) (= 12 (select |#length| main_~p~0.base)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 29259#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 12 (select |#length| main_~p~0.base)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= (select |#valid| |main_#t~malloc9.base|) 1) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 29260#(and (= 12 (select |#length| main_~p~0.base)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 29261#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 12 (select |#length| main_~p~0.base)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) 1) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 29262#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= (select |#valid| |main_#t~mem11.base|) 1) (= main_~a~0.offset 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) |main_#t~mem11.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) |main_#t~mem11.base|) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 29263#(and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 29264#(and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 29265#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~a~0.offset |main_#t~malloc9.offset|) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 29266#(and (= main_~p~0.offset (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)) main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= main_~p~0.base main_~t~0.base))), 29267#(and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 29268#(and (= main_~a~0.offset |main_#t~mem11.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) |main_#t~mem11.base|)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))))), 29269#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (not (= main_~p~0.base main_~a~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))))), 29270#(and (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8)))) (not (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 1 (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8))) (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8)))))) (= 0 main_~a~0.offset)), 29271#(and (= 0 main_~a~0.offset) (or (= 3 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))))))), 29272#(and (= main_~p~0.offset 0) (or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))))) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)))), 29273#(and (= main_~p~0.offset 0) (or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))))) (= 3 |main_#t~mem14|))), 29274#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))))), 29275#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 8))) (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 8)))) (= 12 (select |#length| |main_#t~mem18.base|))), 29276#(and (= (select |#length| main_~p~0.base) 12) (or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (<= (+ main_~p~0.offset 1) 0) (<= 1 main_~p~0.offset))), 29277#(and (= (select |#length| main_~p~0.base) 12) (or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (<= 1 main_~p~0.offset))), 29278#(= 1 (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|)), 29279#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 29280#(= 1 |main_#t~mem17|), 29247#true] [2018-02-02 20:21:41,720 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 10 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:41,720 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-02 20:21:41,720 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-02 20:21:41,720 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1012, Unknown=0, NotChecked=0, Total=1122 [2018-02-02 20:21:41,720 INFO L87 Difference]: Start difference. First operand 437 states and 496 transitions. Second operand 34 states. [2018-02-02 20:21:44,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:44,146 INFO L93 Difference]: Finished difference Result 656 states and 733 transitions. [2018-02-02 20:21:44,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-02-02 20:21:44,146 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 91 [2018-02-02 20:21:44,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:44,147 INFO L225 Difference]: With dead ends: 656 [2018-02-02 20:21:44,147 INFO L226 Difference]: Without dead ends: 654 [2018-02-02 20:21:44,148 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1468 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=720, Invalid=5442, Unknown=0, NotChecked=0, Total=6162 [2018-02-02 20:21:44,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2018-02-02 20:21:44,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 542. [2018-02-02 20:21:44,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2018-02-02 20:21:44,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 615 transitions. [2018-02-02 20:21:44,152 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 615 transitions. Word has length 91 [2018-02-02 20:21:44,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:44,152 INFO L432 AbstractCegarLoop]: Abstraction has 542 states and 615 transitions. [2018-02-02 20:21:44,152 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-02 20:21:44,152 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 615 transitions. [2018-02-02 20:21:44,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-02-02 20:21:44,152 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:44,153 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-02-02 20:21:44,153 INFO L371 AbstractCegarLoop]: === Iteration 49 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:44,153 INFO L82 PathProgramCache]: Analyzing trace with hash -827720469, now seen corresponding path program 7 times [2018-02-02 20:21:44,153 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:44,169 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:45,308 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:45,309 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:45,309 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-02 20:21:45,309 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:45,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:45,309 INFO L182 omatonBuilderFactory]: Interpolants [30592#(or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8))) (+ 0 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8)))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)))), 30593#(or (= 3 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (+ 0 8))))), 30594#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (+ 0 8)))) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 30595#(or (= 3 |main_#t~mem14|) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (+ 0 8))))), 30596#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (+ 0 8)))), 30597#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 8))) (+ 0 8))) (= 0 |main_#t~mem18.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 8)))), 30598#(or (<= (+ main_~p~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8)))))), 30599#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))))), 30600#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 8)))) (= 0 |main_#t~mem18.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 8)))), 30601#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))))) (<= (+ main_~p~0.offset 1) 0)), 30602#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))))), 30603#(and (= 12 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 30604#(and (= main_~p~0.offset 0) (= (select |#length| main_~p~0.base) 12)), 30569#true, 30570#false, 30571#(= |main_#t~malloc0.offset| 0), 30572#(= main_~a~0.offset 0), 30573#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 30574#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 30575#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 30576#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 30577#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 30578#(and (= 0 |main_#t~mem11.offset|) (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))), 30579#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 30580#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 30581#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= (select |#valid| |main_#t~malloc9.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 30582#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 30583#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 8))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 30584#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 |main_#t~mem11.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= (select |#valid| |main_#t~mem11.base|) 1) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) |main_#t~mem11.base|)), 30585#(and (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (or (<= (+ main_~p~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~p~0.offset 0))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 30586#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 30587#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~a~0.offset |main_#t~malloc9.offset|) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 30588#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 0 main_~a~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~a~0.offset main_~t~0.offset) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)) main_~t~0.base)) (= main_~p~0.offset 0) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (+ 0 8))) (not (= main_~p~0.base main_~t~0.base)) (= 12 (select |#length| main_~t~0.base))), 30589#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 8))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 8))))), 30590#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~a~0.offset |main_#t~mem11.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) |main_#t~mem11.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (+ 0 8)))), 30591#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (+ 0 8)))))] [2018-02-02 20:21:45,309 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:45,309 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-02 20:21:45,309 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-02 20:21:45,310 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1155, Unknown=0, NotChecked=0, Total=1260 [2018-02-02 20:21:45,310 INFO L87 Difference]: Start difference. First operand 542 states and 615 transitions. Second operand 36 states. [2018-02-02 20:21:48,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:21:48,100 INFO L93 Difference]: Finished difference Result 620 states and 690 transitions. [2018-02-02 20:21:48,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-02 20:21:48,100 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 91 [2018-02-02 20:21:48,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:21:48,101 INFO L225 Difference]: With dead ends: 620 [2018-02-02 20:21:48,101 INFO L226 Difference]: Without dead ends: 620 [2018-02-02 20:21:48,101 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1135 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=522, Invalid=4448, Unknown=0, NotChecked=0, Total=4970 [2018-02-02 20:21:48,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2018-02-02 20:21:48,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 553. [2018-02-02 20:21:48,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2018-02-02 20:21:48,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 629 transitions. [2018-02-02 20:21:48,105 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 629 transitions. Word has length 91 [2018-02-02 20:21:48,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:21:48,105 INFO L432 AbstractCegarLoop]: Abstraction has 553 states and 629 transitions. [2018-02-02 20:21:48,105 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-02 20:21:48,105 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 629 transitions. [2018-02-02 20:21:48,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-02-02 20:21:48,105 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:21:48,105 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-02-02 20:21:48,106 INFO L371 AbstractCegarLoop]: === Iteration 50 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr36EnsuresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 20:21:48,106 INFO L82 PathProgramCache]: Analyzing trace with hash -827720470, now seen corresponding path program 7 times [2018-02-02 20:21:48,106 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 20:21:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:21:48,119 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:21:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:49,420 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 20:21:49,420 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-02 20:21:49,420 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 20:21:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:49,421 INFO L182 omatonBuilderFactory]: Interpolants [31872#(or (= 3 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))))), 31873#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0)) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 31874#(or (= 3 |main_#t~mem14|) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0))), 31875#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= main_~p~0.offset 0)), 31876#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 8))) (+ 0 8)))) (= 0 |main_#t~mem18.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 8)))), 31877#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))))) (<= (+ main_~p~0.offset 1) 0)), 31878#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) (+ 0 8))))), 31879#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 8)))) (= 0 |main_#t~mem18.offset|)), 31880#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)) (<= (+ main_~p~0.offset 1) 0)), 31881#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0)), 31882#(= 1 (select |#valid| |main_#t~mem18.base|)), 31883#(= 1 (select |#valid| main_~p~0.base)), 31848#true, 31849#false, 31850#(= |main_#t~malloc0.offset| 0), 31851#(= main_~a~0.offset 0), 31852#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 31853#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 31854#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 31855#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 31856#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 31857#(and (= 0 |main_#t~mem11.offset|) (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))), 31858#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 31859#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 31860#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= (select |#valid| |main_#t~malloc9.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 31861#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 31862#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8))) 1) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))), 31863#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 |main_#t~mem11.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (not (= main_~a~0.base |main_#t~mem11.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= (select |#valid| |main_#t~mem11.base|) 1) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) |main_#t~mem11.base|)), 31864#(and (or (<= (+ main_~p~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 31865#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) 1) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 31866#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (or (= main_~a~0.offset |main_#t~malloc9.offset|) (not (= main_~a~0.base |main_#t~malloc9.base|))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))))), 31867#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) main_~a~0.base) (+ 0 8))) (= 0 main_~a~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (+ 0 8))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8)) main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) main_~t~0.base)) main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base))), 31868#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~p~0.offset 0) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8)))), 31869#(and (or (= main_~a~0.offset |main_#t~mem11.offset|) (not (= main_~a~0.base |main_#t~mem11.base|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)) |main_#t~mem11.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (+ 0 8))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)) |main_#t~mem11.base|))), 31870#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 8))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 8))) (+ 0 8))) (+ 0 8)))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base))), 31871#(or (and (= 0 main_~a~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 8) 0)) main_~a~0.base) (+ 0 8))) (+ 0 8))) (+ 0 8)))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= 3 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))))] [2018-02-02 20:21:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 20:21:49,421 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-02 20:21:49,421 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-02 20:21:49,421 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1150, Unknown=0, NotChecked=0, Total=1260 [2018-02-02 20:21:49,421 INFO L87 Difference]: Start difference. First operand 553 states and 629 transitions. Second operand 36 states. Received shutdown request... [2018-02-02 20:21:49,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 20:21:49,475 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-02 20:21:49,479 WARN L185 ceAbstractionStarter]: Timeout [2018-02-02 20:21:49,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 08:21:49 BoogieIcfgContainer [2018-02-02 20:21:49,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-02 20:21:49,481 INFO L168 Benchmark]: Toolchain (without parser) took 72934.76 ms. Allocated memory was 405.8 MB in the beginning and 1.4 GB in the end (delta: 976.7 MB). Free memory was 362.5 MB in the beginning and 1.1 GB in the end (delta: -749.7 MB). Peak memory consumption was 227.0 MB. Max. memory is 5.3 GB. [2018-02-02 20:21:49,482 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 405.8 MB. Free memory is still 369.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 20:21:49,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.30 ms. Allocated memory is still 405.8 MB. Free memory was 362.5 MB in the beginning and 351.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-02 20:21:49,482 INFO L168 Benchmark]: Boogie Preprocessor took 24.09 ms. Allocated memory is still 405.8 MB. Free memory was 351.9 MB in the beginning and 349.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 20:21:49,482 INFO L168 Benchmark]: RCFGBuilder took 308.24 ms. Allocated memory is still 405.8 MB. Free memory was 349.3 MB in the beginning and 319.9 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 5.3 GB. [2018-02-02 20:21:49,483 INFO L168 Benchmark]: TraceAbstraction took 72425.17 ms. Allocated memory was 405.8 MB in the beginning and 1.4 GB in the end (delta: 976.7 MB). Free memory was 319.9 MB in the beginning and 1.1 GB in the end (delta: -792.4 MB). Peak memory consumption was 184.4 MB. Max. memory is 5.3 GB. [2018-02-02 20:21:49,484 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 405.8 MB. Free memory is still 369.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 174.30 ms. Allocated memory is still 405.8 MB. Free memory was 362.5 MB in the beginning and 351.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 24.09 ms. Allocated memory is still 405.8 MB. Free memory was 351.9 MB in the beginning and 349.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 308.24 ms. Allocated memory is still 405.8 MB. Free memory was 349.3 MB in the beginning and 319.9 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 72425.17 ms. Allocated memory was 405.8 MB in the beginning and 1.4 GB in the end (delta: 976.7 MB). Free memory was 319.9 MB in the beginning and 1.1 GB in the end (delta: -792.4 MB). Peak memory consumption was 184.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 637). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 646). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 664). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 666). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 661). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 627]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 627). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 651). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 655). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 635). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 652). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 665). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 664). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 647). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 650). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 658). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 646). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 639). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 669). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 651). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 655). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 666). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 661). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 635). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 650). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 665). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 639). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 652). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 644). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 658). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 644). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 669). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 637). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 647). Cancelled while BasicCegarLoop was constructing difference of abstraction (553states) and interpolant automaton (currently 4 states, 36 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 37 error locations. TIMEOUT Result, 72.3s OverallTime, 50 OverallIterations, 5 TraceHistogramMax, 47.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3185 SDtfs, 21850 SDslu, 32216 SDs, 0 SdLazy, 43454 SolverSat, 4857 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2248 GetRequests, 149 SyntacticMatches, 79 SemanticMatches, 2019 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24212 ImplicationChecksByTransitivity, 43.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=553occurred in iteration=49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 87/1708 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 49 MinimizatonAttempts, 3055 StatesRemovedByMinimization, 48 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 23.4s InterpolantComputationTime, 3106 NumberOfCodeBlocks, 3106 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 3056 ConstructedInterpolants, 0 QuantifiedInterpolants, 5585244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 8 PerfectInterpolantSequences, 87/1708 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/list-ext_flag_1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_20-21-49-490.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/list-ext_flag_1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-02_20-21-49-490.csv Completed graceful shutdown