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_z3.epf -i ../../../trunk/examples/svcomp/list-ext-properties/test-0504_1_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 20:39:31,708 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 20:39:31,709 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 20:39:31,719 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 20:39:31,719 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 20:39:31,720 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 20:39:31,721 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 20:39:31,722 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 20:39:31,723 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 20:39:31,724 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 20:39:31,724 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 20:39:31,725 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 20:39:31,725 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 20:39:31,726 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 20:39:31,727 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 20:39:31,729 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 20:39:31,730 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 20:39:31,732 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 20:39:31,733 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 20:39:31,734 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 20:39:31,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 20:39:31,735 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 20:39:31,736 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 20:39:31,736 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 20:39:31,737 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 20:39:31,738 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 20:39:31,738 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 20:39:31,739 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 20:39:31,739 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 20:39:31,739 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 20:39:31,740 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 20:39:31,740 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-04 20:39:31,750 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 20:39:31,750 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 20:39:31,751 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 20:39:31,751 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 20:39:31,751 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 20:39:31,752 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 20:39:31,752 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 20:39:31,752 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 20:39:31,752 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 20:39:31,752 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 20:39:31,752 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 20:39:31,753 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 20:39:31,753 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 20:39:31,753 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 20:39:31,753 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 20:39:31,753 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 20:39:31,753 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 20:39:31,754 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 20:39:31,754 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 20:39:31,754 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:39:31,754 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 20:39:31,754 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 20:39:31,754 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 20:39:31,755 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:39:31,786 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 20:39:31,798 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 20:39:31,802 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 20:39:31,804 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 20:39:31,804 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 20:39:31,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0504_1_true-valid-memsafety.i [2018-02-04 20:39:31,951 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 20:39:31,952 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 20:39:31,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 20:39:31,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 20:39:31,958 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 20:39:31,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:39:31" (1/1) ... [2018-02-04 20:39:31,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ec44b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:31, skipping insertion in model container [2018-02-04 20:39:31,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:39:31" (1/1) ... [2018-02-04 20:39:31,974 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:39:32,002 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:39:32,094 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:39:32,108 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:39:32,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:32 WrapperNode [2018-02-04 20:39:32,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 20:39:32,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 20:39:32,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 20:39:32,117 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 20:39:32,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:32" (1/1) ... [2018-02-04 20:39:32,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:32" (1/1) ... [2018-02-04 20:39:32,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:32" (1/1) ... [2018-02-04 20:39:32,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:32" (1/1) ... [2018-02-04 20:39:32,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:32" (1/1) ... [2018-02-04 20:39:32,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:32" (1/1) ... [2018-02-04 20:39:32,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:32" (1/1) ... [2018-02-04 20:39:32,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 20:39:32,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 20:39:32,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 20:39:32,144 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 20:39:32,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:32" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:39:32,179 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 20:39:32,180 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 20:39:32,180 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 20:39:32,180 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 20:39:32,180 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 20:39:32,180 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 20:39:32,180 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 20:39:32,180 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 20:39:32,180 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 20:39:32,180 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 20:39:32,180 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 20:39:32,181 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 20:39:32,181 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-02-04 20:39:32,181 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 20:39:32,181 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 20:39:32,181 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 20:39:32,181 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 20:39:32,491 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 20:39:32,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:39:32 BoogieIcfgContainer [2018-02-04 20:39:32,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 20:39:32,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 20:39:32,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 20:39:32,495 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 20:39:32,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 08:39:31" (1/3) ... [2018-02-04 20:39:32,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d83ce79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:39:32, skipping insertion in model container [2018-02-04 20:39:32,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:39:32" (2/3) ... [2018-02-04 20:39:32,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d83ce79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:39:32, skipping insertion in model container [2018-02-04 20:39:32,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:39:32" (3/3) ... [2018-02-04 20:39:32,498 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0504_1_true-valid-memsafety.i [2018-02-04 20:39:32,504 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 20:39:32,509 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 41 error locations. [2018-02-04 20:39:32,537 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 20:39:32,538 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 20:39:32,538 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 20:39:32,538 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 20:39:32,538 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 20:39:32,538 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 20:39:32,538 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 20:39:32,538 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 20:39:32,539 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 20:39:32,551 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2018-02-04 20:39:32,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-02-04 20:39:32,558 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:39:32,558 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:39:32,559 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr40EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-02-04 20:39:32,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1548810554, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:39:32,568 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:39:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:32,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:32,636 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:39:32,636 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 20:39:32,637 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:39:32,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:32,638 INFO L182 omatonBuilderFactory]: Interpolants [104#true, 105#false, 109#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:39:32,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:32,639 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 20:39:32,646 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 20:39:32,646 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 20:39:32,648 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 3 states. [2018-02-04 20:39:32,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:39:32,845 INFO L93 Difference]: Finished difference Result 134 states and 146 transitions. [2018-02-04 20:39:32,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 20:39:32,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-02-04 20:39:32,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:39:32,855 INFO L225 Difference]: With dead ends: 134 [2018-02-04 20:39:32,855 INFO L226 Difference]: Without dead ends: 129 [2018-02-04 20:39:32,856 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 20:39:32,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-02-04 20:39:32,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 104. [2018-02-04 20:39:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-02-04 20:39:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions. [2018-02-04 20:39:32,925 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 10 [2018-02-04 20:39:32,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:39:32,925 INFO L432 AbstractCegarLoop]: Abstraction has 104 states and 113 transitions. [2018-02-04 20:39:32,925 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 20:39:32,925 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2018-02-04 20:39:32,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-04 20:39:32,926 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:39:32,926 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:39:32,926 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr40EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-02-04 20:39:32,927 INFO L82 PathProgramCache]: Analyzing trace with hash -2085004617, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:39:32,930 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:39:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:32,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:32,985 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:39:32,985 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 20:39:32,985 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:39:32,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:32,986 INFO L182 omatonBuilderFactory]: Interpolants [353#(<= main_~c1~0 0), 354#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 348#true, 349#false] [2018-02-04 20:39:32,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:32,987 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 20:39:32,987 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 20:39:32,987 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 20:39:32,988 INFO L87 Difference]: Start difference. First operand 104 states and 113 transitions. Second operand 4 states. [2018-02-04 20:39:33,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:39:33,096 INFO L93 Difference]: Finished difference Result 105 states and 113 transitions. [2018-02-04 20:39:33,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 20:39:33,097 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-02-04 20:39:33,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:39:33,098 INFO L225 Difference]: With dead ends: 105 [2018-02-04 20:39:33,098 INFO L226 Difference]: Without dead ends: 103 [2018-02-04 20:39:33,099 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:39:33,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-02-04 20:39:33,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 102. [2018-02-04 20:39:33,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-02-04 20:39:33,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 110 transitions. [2018-02-04 20:39:33,104 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 110 transitions. Word has length 13 [2018-02-04 20:39:33,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:39:33,105 INFO L432 AbstractCegarLoop]: Abstraction has 102 states and 110 transitions. [2018-02-04 20:39:33,105 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 20:39:33,105 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 110 transitions. [2018-02-04 20:39:33,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-04 20:39:33,106 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:39:33,106 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:39:33,106 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr40EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-02-04 20:39:33,106 INFO L82 PathProgramCache]: Analyzing trace with hash -211715870, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:39:33,109 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:39:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:33,117 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:39:33,124 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:39:33,125 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:39:33,125 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:39:33,126 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:39:33,156 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 20:39:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:33,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:33,197 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:39:33,197 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:39:33,197 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:39:33,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:33,198 INFO L182 omatonBuilderFactory]: Interpolants [564#true, 565#false, 569#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 570#(= 1 (select |#valid| |main_#t~malloc3.base|)), 571#(= 1 (select |#valid| main_~x~0.base)), 572#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:39:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:33,198 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:39:33,198 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:39:33,198 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:39:33,199 INFO L87 Difference]: Start difference. First operand 102 states and 110 transitions. Second operand 6 states. [2018-02-04 20:39:33,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:39:33,453 INFO L93 Difference]: Finished difference Result 212 states and 229 transitions. [2018-02-04 20:39:33,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 20:39:33,453 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-02-04 20:39:33,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:39:33,455 INFO L225 Difference]: With dead ends: 212 [2018-02-04 20:39:33,455 INFO L226 Difference]: Without dead ends: 212 [2018-02-04 20:39:33,455 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-02-04 20:39:33,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-02-04 20:39:33,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 100. [2018-02-04 20:39:33,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-02-04 20:39:33,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 109 transitions. [2018-02-04 20:39:33,462 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 109 transitions. Word has length 14 [2018-02-04 20:39:33,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:39:33,462 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 109 transitions. [2018-02-04 20:39:33,462 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:39:33,463 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 109 transitions. [2018-02-04 20:39:33,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-04 20:39:33,463 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:39:33,463 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:39:33,463 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr40EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-02-04 20:39:33,464 INFO L82 PathProgramCache]: Analyzing trace with hash -211715869, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:39:33,467 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:39:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:33,481 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:39:33,483 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:39:33,484 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:39:33,484 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:39:33,484 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:39:33,489 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#length| %1 20) (store %0 %1 20)) :qid itp)) :qid itp)) is different from true [2018-02-04 20:39:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:33,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:33,545 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:39:33,545 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:39:33,545 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:39:33,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:33,546 INFO L182 omatonBuilderFactory]: Interpolants [896#(and (<= 0 (+ main_~x~0.offset 12)) (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base))), 897#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 889#true, 890#false, 894#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#length| %1 20) (store %0 %1 20)) :qid itp)) :qid itp)), 895#(and (= 20 (select |#length| |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|))] [2018-02-04 20:39:33,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:33,546 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:39:33,546 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:39:33,547 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:39:33,547 INFO L87 Difference]: Start difference. First operand 100 states and 109 transitions. Second operand 6 states. [2018-02-04 20:39:33,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:39:33,809 INFO L93 Difference]: Finished difference Result 204 states and 226 transitions. [2018-02-04 20:39:33,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 20:39:33,810 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-02-04 20:39:33,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:39:33,811 INFO L225 Difference]: With dead ends: 204 [2018-02-04 20:39:33,811 INFO L226 Difference]: Without dead ends: 204 [2018-02-04 20:39:33,811 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=27, Unknown=3, NotChecked=10, Total=56 [2018-02-04 20:39:33,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-02-04 20:39:33,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 100. [2018-02-04 20:39:33,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-02-04 20:39:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 108 transitions. [2018-02-04 20:39:33,815 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 108 transitions. Word has length 14 [2018-02-04 20:39:33,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:39:33,815 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 108 transitions. [2018-02-04 20:39:33,815 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:39:33,815 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 108 transitions. [2018-02-04 20:39:33,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-04 20:39:33,815 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:39:33,815 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:39:33,815 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr40EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-02-04 20:39:33,815 INFO L82 PathProgramCache]: Analyzing trace with hash -154457568, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:39:33,817 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:39:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:33,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:33,852 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:39:33,852 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:39:33,852 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:39:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:33,853 INFO L182 omatonBuilderFactory]: Interpolants [1206#true, 1207#false, 1211#(< main_~c1~0 5), 1212#|main_#t~short1|, 1213#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:39:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:33,853 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 20:39:33,853 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 20:39:33,853 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:39:33,853 INFO L87 Difference]: Start difference. First operand 100 states and 108 transitions. Second operand 5 states. [2018-02-04 20:39:33,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:39:33,954 INFO L93 Difference]: Finished difference Result 94 states and 101 transitions. [2018-02-04 20:39:33,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:39:33,955 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-02-04 20:39:33,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:39:33,955 INFO L225 Difference]: With dead ends: 94 [2018-02-04 20:39:33,955 INFO L226 Difference]: Without dead ends: 94 [2018-02-04 20:39:33,956 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 20:39:33,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-02-04 20:39:33,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 93. [2018-02-04 20:39:33,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-02-04 20:39:33,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 100 transitions. [2018-02-04 20:39:33,963 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 100 transitions. Word has length 14 [2018-02-04 20:39:33,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:39:33,963 INFO L432 AbstractCegarLoop]: Abstraction has 93 states and 100 transitions. [2018-02-04 20:39:33,963 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 20:39:33,963 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 100 transitions. [2018-02-04 20:39:33,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 20:39:33,963 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:39:33,964 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:39:33,964 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr40EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-02-04 20:39:33,964 INFO L82 PathProgramCache]: Analyzing trace with hash 2026742622, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:39:33,969 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:39:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:33,981 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:39:33,982 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:39:33,983 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:39:33,983 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:39:33,983 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:39:34,003 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#length| %1 20) (store %0 %1 20)) :qid itp)) :qid itp)) is different from true [2018-02-04 20:39:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:34,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:34,045 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:39:34,045 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:39:34,045 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:39:34,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:34,046 INFO L182 omatonBuilderFactory]: Interpolants [1410#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#length| %1 20) (store %0 %1 20)) :qid itp)) :qid itp)), 1411#(and (= 20 (select |#length| |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|)), 1412#(and (<= (+ main_~x~0.offset 20) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 16))), 1413#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1405#true, 1406#false] [2018-02-04 20:39:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:34,046 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:39:34,046 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:39:34,046 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:39:34,046 INFO L87 Difference]: Start difference. First operand 93 states and 100 transitions. Second operand 6 states. [2018-02-04 20:39:34,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:39:34,201 INFO L93 Difference]: Finished difference Result 173 states and 191 transitions. [2018-02-04 20:39:34,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 20:39:34,201 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-02-04 20:39:34,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:39:34,202 INFO L225 Difference]: With dead ends: 173 [2018-02-04 20:39:34,202 INFO L226 Difference]: Without dead ends: 173 [2018-02-04 20:39:34,202 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-02-04 20:39:34,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-02-04 20:39:34,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 100. [2018-02-04 20:39:34,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-02-04 20:39:34,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 112 transitions. [2018-02-04 20:39:34,205 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 112 transitions. Word has length 15 [2018-02-04 20:39:34,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:39:34,205 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 112 transitions. [2018-02-04 20:39:34,205 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:39:34,205 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 112 transitions. [2018-02-04 20:39:34,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 20:39:34,206 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:39:34,206 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:39:34,206 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr40EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-02-04 20:39:34,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1595488186, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:39:34,210 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:39:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:34,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:34,325 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:39:34,326 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:39:34,326 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:39:34,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:34,326 INFO L182 omatonBuilderFactory]: Interpolants [1696#(= 0 |main_#t~malloc3.offset|), 1697#(or (< (select |#length| main_~x~0.base) (+ main_~x~0.offset 16)) (<= 0 main_~x~0.offset)), 1698#(and (<= (+ main_~x~0.offset 4) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 1699#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1691#true, 1692#false] [2018-02-04 20:39:34,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:34,326 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:39:34,326 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:39:34,327 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:39:34,327 INFO L87 Difference]: Start difference. First operand 100 states and 112 transitions. Second operand 6 states. [2018-02-04 20:39:34,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:39:34,437 INFO L93 Difference]: Finished difference Result 100 states and 112 transitions. [2018-02-04 20:39:34,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:39:34,438 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-02-04 20:39:34,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:39:34,438 INFO L225 Difference]: With dead ends: 100 [2018-02-04 20:39:34,438 INFO L226 Difference]: Without dead ends: 100 [2018-02-04 20:39:34,439 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-02-04 20:39:34,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-02-04 20:39:34,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2018-02-04 20:39:34,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-02-04 20:39:34,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2018-02-04 20:39:34,442 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 16 [2018-02-04 20:39:34,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:39:34,442 INFO L432 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2018-02-04 20:39:34,442 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:39:34,443 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2018-02-04 20:39:34,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-04 20:39:34,443 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:39:34,443 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:39:34,443 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr40EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-02-04 20:39:34,443 INFO L82 PathProgramCache]: Analyzing trace with hash 2079473761, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:39:34,447 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:39:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:34,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:34,511 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:39:34,511 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:39:34,511 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:39:34,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:34,512 INFO L182 omatonBuilderFactory]: Interpolants [1904#false, 1908#(= 0 |main_#t~malloc3.offset|), 1909#(or (< (select |#length| main_~x~0.base) (+ main_~x~0.offset 16)) (<= 0 (+ main_~x~0.offset 4))), 1910#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 4))), 1911#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1903#true] [2018-02-04 20:39:34,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:34,512 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:39:34,512 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:39:34,512 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:39:34,512 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 6 states. [2018-02-04 20:39:34,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:39:34,641 INFO L93 Difference]: Finished difference Result 140 states and 154 transitions. [2018-02-04 20:39:34,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:39:34,641 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-02-04 20:39:34,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:39:34,642 INFO L225 Difference]: With dead ends: 140 [2018-02-04 20:39:34,642 INFO L226 Difference]: Without dead ends: 140 [2018-02-04 20:39:34,642 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-02-04 20:39:34,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-02-04 20:39:34,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 97. [2018-02-04 20:39:34,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-02-04 20:39:34,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2018-02-04 20:39:34,645 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 17 [2018-02-04 20:39:34,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:39:34,645 INFO L432 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2018-02-04 20:39:34,645 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:39:34,645 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2018-02-04 20:39:34,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 20:39:34,645 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:39:34,645 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:39:34,646 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr40EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-02-04 20:39:34,646 INFO L82 PathProgramCache]: Analyzing trace with hash 39177129, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:39:34,653 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:39:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:34,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:34,723 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:39:34,724 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:39:34,724 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:39:34,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:34,724 INFO L182 omatonBuilderFactory]: Interpolants [2160#(= 0 |main_#t~malloc3.offset|), 2161#(or (< (select |#length| main_~x~0.base) (+ main_~x~0.offset 16)) (<= 0 (+ main_~x~0.offset 8))), 2162#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 8))), 2163#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 2155#true, 2156#false] [2018-02-04 20:39:34,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:34,724 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:39:34,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:39:34,725 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:39:34,725 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 6 states. [2018-02-04 20:39:34,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:39:34,840 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-02-04 20:39:34,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:39:34,840 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-02-04 20:39:34,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:39:34,841 INFO L225 Difference]: With dead ends: 139 [2018-02-04 20:39:34,841 INFO L226 Difference]: Without dead ends: 139 [2018-02-04 20:39:34,842 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-02-04 20:39:34,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-02-04 20:39:34,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 96. [2018-02-04 20:39:34,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-02-04 20:39:34,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 108 transitions. [2018-02-04 20:39:34,845 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 108 transitions. Word has length 18 [2018-02-04 20:39:34,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:39:34,845 INFO L432 AbstractCegarLoop]: Abstraction has 96 states and 108 transitions. [2018-02-04 20:39:34,845 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:39:34,845 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 108 transitions. [2018-02-04 20:39:34,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-04 20:39:34,846 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:39:34,846 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] [2018-02-04 20:39:34,846 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr40EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-02-04 20:39:34,846 INFO L82 PathProgramCache]: Analyzing trace with hash 479661366, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:39:34,852 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:39:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:34,905 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:39:34,905 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 20:39:34,905 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:39:34,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:34,905 INFO L182 omatonBuilderFactory]: Interpolants [2405#true, 2406#false, 2410#(and (= main_~first~0.offset 0) (= main_~first~0.base 0)), 2411#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:39:34,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:39:34,906 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 20:39:34,906 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 20:39:34,906 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 20:39:34,906 INFO L87 Difference]: Start difference. First operand 96 states and 108 transitions. Second operand 4 states. [2018-02-04 20:39:34,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:39:34,986 INFO L93 Difference]: Finished difference Result 141 states and 157 transitions. [2018-02-04 20:39:34,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 20:39:34,987 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-02-04 20:39:34,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:39:34,987 INFO L225 Difference]: With dead ends: 141 [2018-02-04 20:39:34,987 INFO L226 Difference]: Without dead ends: 141 [2018-02-04 20:39:34,988 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:39:34,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-02-04 20:39:34,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 124. [2018-02-04 20:39:34,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-02-04 20:39:34,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2018-02-04 20:39:34,990 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 26 [2018-02-04 20:39:34,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:39:34,990 INFO L432 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2018-02-04 20:39:34,990 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 20:39:34,990 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2018-02-04 20:39:34,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-02-04 20:39:34,990 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:39:34,990 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] [2018-02-04 20:39:34,990 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr40EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-02-04 20:39:34,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1985366289, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:39:34,994 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:39:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:39:35,031 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: Unsupported proof rule: (let ((a!1 (= (+ 0 (* (- 1) (select |#length_23| |main_#t~malloc3.base_10|))) (* (- 1) (select |#length_23| |main_#t~malloc3.base_10|))))) (rewrite a!1)) [2018-02-04 20:39:35,031 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 131 column 367: theory not supported by interpolation or bad proof at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-04 20:39:35,034 INFO L168 Benchmark]: Toolchain (without parser) took 3083.31 ms. Allocated memory was 411.0 MB in the beginning and 655.9 MB in the end (delta: 244.8 MB). Free memory was 367.9 MB in the beginning and 552.4 MB in the end (delta: -184.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 5.3 GB. [2018-02-04 20:39:35,036 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 411.0 MB. Free memory is still 374.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:39:35,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.73 ms. Allocated memory is still 411.0 MB. Free memory was 367.9 MB in the beginning and 357.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:39:35,037 INFO L168 Benchmark]: Boogie Preprocessor took 27.07 ms. Allocated memory is still 411.0 MB. Free memory was 357.3 MB in the beginning and 354.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:39:35,037 INFO L168 Benchmark]: RCFGBuilder took 348.55 ms. Allocated memory is still 411.0 MB. Free memory was 354.7 MB in the beginning and 323.4 MB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 5.3 GB. [2018-02-04 20:39:35,038 INFO L168 Benchmark]: TraceAbstraction took 2540.95 ms. Allocated memory was 411.0 MB in the beginning and 655.9 MB in the end (delta: 244.8 MB). Free memory was 323.4 MB in the beginning and 552.4 MB in the end (delta: -228.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 5.3 GB. [2018-02-04 20:39:35,042 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 411.0 MB. Free memory is still 374.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 163.73 ms. Allocated memory is still 411.0 MB. Free memory was 367.9 MB in the beginning and 357.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 27.07 ms. Allocated memory is still 411.0 MB. Free memory was 357.3 MB in the beginning and 354.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 348.55 ms. Allocated memory is still 411.0 MB. Free memory was 354.7 MB in the beginning and 323.4 MB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2540.95 ms. Allocated memory was 411.0 MB in the beginning and 655.9 MB in the end (delta: 244.8 MB). Free memory was 323.4 MB in the beginning and 552.4 MB in the end (delta: -228.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 131 column 367: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 131 column 367: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0504_1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_20-39-35-051.csv Received shutdown request...