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/heap-manipulation/dancing_true-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:53:14,104 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:53:14,105 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:53:14,118 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:53:14,118 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:53:14,119 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:53:14,120 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:53:14,121 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:53:14,122 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:53:14,123 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:53:14,124 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:53:14,124 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:53:14,125 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:53:14,126 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:53:14,127 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:53:14,128 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:53:14,130 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:53:14,131 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:53:14,132 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:53:14,133 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:53:14,135 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 04:53:14,138 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:53:14,139 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:53:14,139 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 04:53:14,148 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:53:14,148 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:53:14,149 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:53:14,149 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:53:14,149 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:53:14,149 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:53:14,150 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:53:14,150 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:53:14,150 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:53:14,150 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:53:14,150 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:53:14,150 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:53:14,150 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:53:14,150 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:53:14,150 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:53:14,150 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:53:14,151 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:53:14,151 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:53:14,151 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:53:14,151 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:53:14,151 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:53:14,151 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:53:14,151 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:53:14,151 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:53:14,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:53:14,178 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:53:14,186 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:53:14,189 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:53:14,190 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:53:14,190 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:53:14,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dancing_true-unreach-call_false-valid-memtrack.i [2018-02-04 04:53:14,311 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:53:14,312 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:53:14,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:53:14,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:53:14,317 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:53:14,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:53:14" (1/1) ... [2018-02-04 04:53:14,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb24ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:14, skipping insertion in model container [2018-02-04 04:53:14,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:53:14" (1/1) ... [2018-02-04 04:53:14,329 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:53:14,357 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:53:14,444 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:53:14,461 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:53:14,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:14 WrapperNode [2018-02-04 04:53:14,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:53:14,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:53:14,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:53:14,469 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:53:14,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:14" (1/1) ... [2018-02-04 04:53:14,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:14" (1/1) ... [2018-02-04 04:53:14,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:14" (1/1) ... [2018-02-04 04:53:14,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:14" (1/1) ... [2018-02-04 04:53:14,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:14" (1/1) ... [2018-02-04 04:53:14,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:14" (1/1) ... [2018-02-04 04:53:14,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:14" (1/1) ... [2018-02-04 04:53:14,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:53:14,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:53:14,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:53:14,496 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:53:14,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:14" (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 04:53:14,538 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:53:14,538 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:53:14,538 INFO L136 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-02-04 04:53:14,538 INFO L136 BoogieDeclarations]: Found implementation of procedure remove [2018-02-04 04:53:14,538 INFO L136 BoogieDeclarations]: Found implementation of procedure re_insert [2018-02-04 04:53:14,539 INFO L136 BoogieDeclarations]: Found implementation of procedure is_list_containing_x [2018-02-04 04:53:14,539 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:53:14,539 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:53:14,539 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:53:14,539 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:53:14,539 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:53:14,539 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:53:14,539 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-02-04 04:53:14,539 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2018-02-04 04:53:14,539 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 04:53:14,539 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-02-04 04:53:14,539 INFO L128 BoogieDeclarations]: Found specification of procedure remove [2018-02-04 04:53:14,539 INFO L128 BoogieDeclarations]: Found specification of procedure re_insert [2018-02-04 04:53:14,539 INFO L128 BoogieDeclarations]: Found specification of procedure is_list_containing_x [2018-02-04 04:53:14,540 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:53:14,540 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:53:14,540 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:53:14,832 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:53:14,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:53:14 BoogieIcfgContainer [2018-02-04 04:53:14,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:53:14,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:53:14,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:53:14,835 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:53:14,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:53:14" (1/3) ... [2018-02-04 04:53:14,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688bbb34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:53:14, skipping insertion in model container [2018-02-04 04:53:14,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:53:14" (2/3) ... [2018-02-04 04:53:14,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688bbb34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:53:14, skipping insertion in model container [2018-02-04 04:53:14,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:53:14" (3/3) ... [2018-02-04 04:53:14,838 INFO L107 eAbstractionObserver]: Analyzing ICFG dancing_true-unreach-call_false-valid-memtrack.i [2018-02-04 04:53:14,843 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:53:14,848 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 43 error locations. [2018-02-04 04:53:14,872 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:53:14,872 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:53:14,873 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:53:14,873 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:53:14,873 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:53:14,873 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:53:14,873 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:53:14,873 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:53:14,874 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:53:14,885 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2018-02-04 04:53:14,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-02-04 04:53:14,893 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:53:14,894 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:53:14,894 INFO L371 AbstractCegarLoop]: === Iteration 1 === [re_insertErr7RequiresViolation, re_insertErr5RequiresViolation, re_insertErr2RequiresViolation, re_insertErr3RequiresViolation, re_insertErr9RequiresViolation, re_insertErr6RequiresViolation, re_insertErr8RequiresViolation, re_insertErr4RequiresViolation, re_insertErr11RequiresViolation, re_insertErr0RequiresViolation, re_insertErr1RequiresViolation, re_insertErr10RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation, is_list_containing_xErr1RequiresViolation, is_list_containing_xErr0RequiresViolation, is_list_containing_xErr2RequiresViolation, is_list_containing_xErr3RequiresViolation, removeErr9RequiresViolation, removeErr13RequiresViolation, removeErr0RequiresViolation, removeErr4RequiresViolation, removeErr5RequiresViolation, removeErr12RequiresViolation, removeErr10RequiresViolation, removeErr6RequiresViolation, removeErr14RequiresViolation, removeErr3RequiresViolation, removeErr1RequiresViolation, removeErr8RequiresViolation, removeErr11RequiresViolation, removeErr7RequiresViolation, removeErr15RequiresViolation, removeErr2RequiresViolation]=== [2018-02-04 04:53:14,897 INFO L82 PathProgramCache]: Analyzing trace with hash 436525791, 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 04:53:14,907 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:53:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:53:14,926 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:53:14,933 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:53:14,934 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:53:14,934 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:53:14,934 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:53:14,961 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 04:53:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:53:14,981 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 04:53:15,000 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:53:15,000 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 04:53:15,001 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:53:15,001 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 04:53:15,002 INFO L182 omatonBuilderFactory]: Interpolants [130#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 131#(= 1 (select |#valid| |main_~#list~0.base|)), 132#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 125#true, 126#false] [2018-02-04 04:53:15,002 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 04:53:15,003 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 04:53:15,010 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 04:53:15,011 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2018-02-04 04:53:15,012 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 5 states. [2018-02-04 04:53:15,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:53:15,361 INFO L93 Difference]: Finished difference Result 120 states and 133 transitions. [2018-02-04 04:53:15,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 04:53:15,363 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2018-02-04 04:53:15,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:53:15,372 INFO L225 Difference]: With dead ends: 120 [2018-02-04 04:53:15,372 INFO L226 Difference]: Without dead ends: 116 [2018-02-04 04:53:15,374 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2018-02-04 04:53:15,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-02-04 04:53:15,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-02-04 04:53:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-02-04 04:53:15,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 129 transitions. [2018-02-04 04:53:15,469 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 129 transitions. Word has length 7 [2018-02-04 04:53:15,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:53:15,469 INFO L432 AbstractCegarLoop]: Abstraction has 116 states and 129 transitions. [2018-02-04 04:53:15,469 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 04:53:15,469 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 129 transitions. [2018-02-04 04:53:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-02-04 04:53:15,469 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:53:15,469 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:53:15,469 INFO L371 AbstractCegarLoop]: === Iteration 2 === [re_insertErr7RequiresViolation, re_insertErr5RequiresViolation, re_insertErr2RequiresViolation, re_insertErr3RequiresViolation, re_insertErr9RequiresViolation, re_insertErr6RequiresViolation, re_insertErr8RequiresViolation, re_insertErr4RequiresViolation, re_insertErr11RequiresViolation, re_insertErr0RequiresViolation, re_insertErr1RequiresViolation, re_insertErr10RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation, is_list_containing_xErr1RequiresViolation, is_list_containing_xErr0RequiresViolation, is_list_containing_xErr2RequiresViolation, is_list_containing_xErr3RequiresViolation, removeErr9RequiresViolation, removeErr13RequiresViolation, removeErr0RequiresViolation, removeErr4RequiresViolation, removeErr5RequiresViolation, removeErr12RequiresViolation, removeErr10RequiresViolation, removeErr6RequiresViolation, removeErr14RequiresViolation, removeErr3RequiresViolation, removeErr1RequiresViolation, removeErr8RequiresViolation, removeErr11RequiresViolation, removeErr7RequiresViolation, removeErr15RequiresViolation, removeErr2RequiresViolation]=== [2018-02-04 04:53:15,470 INFO L82 PathProgramCache]: Analyzing trace with hash 436525792, 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 04:53:15,473 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:53:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:53:15,479 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:53:15,481 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:53:15,481 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:53:15,481 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:53:15,481 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:53:15,485 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:53:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:53:15,510 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 04:53:15,527 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:53:15,527 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 04:53:15,527 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:53:15,527 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 04:53:15,527 INFO L182 omatonBuilderFactory]: Interpolants [371#true, 372#false, 376#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 377#(and (<= 0 |main_~#list~0.offset|) (= 8 (select |#length| |main_~#list~0.base|)) (<= (+ |main_~#list~0.offset| 4) (select |#length| |main_~#list~0.base|))), 378#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:53:15,527 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 04:53:15,529 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 04:53:15,529 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 04:53:15,529 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2018-02-04 04:53:15,530 INFO L87 Difference]: Start difference. First operand 116 states and 129 transitions. Second operand 5 states. [2018-02-04 04:53:15,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:53:15,757 INFO L93 Difference]: Finished difference Result 115 states and 128 transitions. [2018-02-04 04:53:15,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 04:53:15,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2018-02-04 04:53:15,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:53:15,759 INFO L225 Difference]: With dead ends: 115 [2018-02-04 04:53:15,759 INFO L226 Difference]: Without dead ends: 115 [2018-02-04 04:53:15,760 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=11, Unknown=3, NotChecked=6, Total=30 [2018-02-04 04:53:15,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-02-04 04:53:15,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-02-04 04:53:15,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-02-04 04:53:15,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 128 transitions. [2018-02-04 04:53:15,766 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 128 transitions. Word has length 7 [2018-02-04 04:53:15,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:53:15,767 INFO L432 AbstractCegarLoop]: Abstraction has 115 states and 128 transitions. [2018-02-04 04:53:15,767 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 04:53:15,767 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 128 transitions. [2018-02-04 04:53:15,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:53:15,767 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:53:15,767 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:53:15,768 INFO L371 AbstractCegarLoop]: === Iteration 3 === [re_insertErr7RequiresViolation, re_insertErr5RequiresViolation, re_insertErr2RequiresViolation, re_insertErr3RequiresViolation, re_insertErr9RequiresViolation, re_insertErr6RequiresViolation, re_insertErr8RequiresViolation, re_insertErr4RequiresViolation, re_insertErr11RequiresViolation, re_insertErr0RequiresViolation, re_insertErr1RequiresViolation, re_insertErr10RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation, is_list_containing_xErr1RequiresViolation, is_list_containing_xErr0RequiresViolation, is_list_containing_xErr2RequiresViolation, is_list_containing_xErr3RequiresViolation, removeErr9RequiresViolation, removeErr13RequiresViolation, removeErr0RequiresViolation, removeErr4RequiresViolation, removeErr5RequiresViolation, removeErr12RequiresViolation, removeErr10RequiresViolation, removeErr6RequiresViolation, removeErr14RequiresViolation, removeErr3RequiresViolation, removeErr1RequiresViolation, removeErr8RequiresViolation, removeErr11RequiresViolation, removeErr7RequiresViolation, removeErr15RequiresViolation, removeErr2RequiresViolation]=== [2018-02-04 04:53:15,768 INFO L82 PathProgramCache]: Analyzing trace with hash 647397608, 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 04:53:15,771 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:53:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:53:15,779 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:53:15,780 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:53:15,781 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:53:15,781 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:53:15,781 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:53:15,787 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:53:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:53:15,826 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 04:53:15,854 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:53:15,854 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 04:53:15,854 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:53:15,855 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 04:53:15,855 INFO L182 omatonBuilderFactory]: Interpolants [611#true, 612#false, 616#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 617#(and (= 8 (select |#length| |main_~#list~0.base|)) (<= 0 (+ |main_~#list~0.offset| 4)) (<= (+ |main_~#list~0.offset| 8) (select |#length| |main_~#list~0.base|))), 618#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:53:15,855 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 04:53:15,855 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 04:53:15,855 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 04:53:15,855 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2018-02-04 04:53:15,856 INFO L87 Difference]: Start difference. First operand 115 states and 128 transitions. Second operand 5 states. [2018-02-04 04:53:16,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:53:16,073 INFO L93 Difference]: Finished difference Result 114 states and 127 transitions. [2018-02-04 04:53:16,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 04:53:16,074 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-02-04 04:53:16,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:53:16,075 INFO L225 Difference]: With dead ends: 114 [2018-02-04 04:53:16,075 INFO L226 Difference]: Without dead ends: 114 [2018-02-04 04:53:16,075 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=11, Unknown=3, NotChecked=6, Total=30 [2018-02-04 04:53:16,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-02-04 04:53:16,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-02-04 04:53:16,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-02-04 04:53:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 127 transitions. [2018-02-04 04:53:16,083 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 127 transitions. Word has length 8 [2018-02-04 04:53:16,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:53:16,083 INFO L432 AbstractCegarLoop]: Abstraction has 114 states and 127 transitions. [2018-02-04 04:53:16,083 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 04:53:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 127 transitions. [2018-02-04 04:53:16,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 04:53:16,084 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:53:16,084 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:53:16,084 INFO L371 AbstractCegarLoop]: === Iteration 4 === [re_insertErr7RequiresViolation, re_insertErr5RequiresViolation, re_insertErr2RequiresViolation, re_insertErr3RequiresViolation, re_insertErr9RequiresViolation, re_insertErr6RequiresViolation, re_insertErr8RequiresViolation, re_insertErr4RequiresViolation, re_insertErr11RequiresViolation, re_insertErr0RequiresViolation, re_insertErr1RequiresViolation, re_insertErr10RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation, is_list_containing_xErr1RequiresViolation, is_list_containing_xErr0RequiresViolation, is_list_containing_xErr2RequiresViolation, is_list_containing_xErr3RequiresViolation, removeErr9RequiresViolation, removeErr13RequiresViolation, removeErr0RequiresViolation, removeErr4RequiresViolation, removeErr5RequiresViolation, removeErr12RequiresViolation, removeErr10RequiresViolation, removeErr6RequiresViolation, removeErr14RequiresViolation, removeErr3RequiresViolation, removeErr1RequiresViolation, removeErr8RequiresViolation, removeErr11RequiresViolation, removeErr7RequiresViolation, removeErr15RequiresViolation, removeErr2RequiresViolation]=== [2018-02-04 04:53:16,084 INFO L82 PathProgramCache]: Analyzing trace with hash -711243012, 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 04:53:16,089 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:53:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:53:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:53:16,120 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 04:53:16,136 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:53:16,136 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:53:16,136 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:53:16,137 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 04:53:16,137 INFO L182 omatonBuilderFactory]: Interpolants [849#true, 850#false, 854#(= 1 (select |#valid| |main_~#list~0.base|)), 855#(= 1 (select |#valid| |is_list_containing_x_#in~l.base|)), 856#(= 1 (select |#valid| is_list_containing_x_~l.base)), 857#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:53:16,137 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 04:53:16,137 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:53:16,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:53:16,137 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 04:53:16,137 INFO L87 Difference]: Start difference. First operand 114 states and 127 transitions. Second operand 6 states. [2018-02-04 04:53:16,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:53:16,358 INFO L93 Difference]: Finished difference Result 126 states and 142 transitions. [2018-02-04 04:53:16,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 04:53:16,358 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-02-04 04:53:16,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:53:16,360 INFO L225 Difference]: With dead ends: 126 [2018-02-04 04:53:16,360 INFO L226 Difference]: Without dead ends: 126 [2018-02-04 04:53:16,360 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-02-04 04:53:16,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-02-04 04:53:16,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 122. [2018-02-04 04:53:16,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-02-04 04:53:16,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 139 transitions. [2018-02-04 04:53:16,367 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 139 transitions. Word has length 15 [2018-02-04 04:53:16,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:53:16,368 INFO L432 AbstractCegarLoop]: Abstraction has 122 states and 139 transitions. [2018-02-04 04:53:16,368 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:53:16,368 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 139 transitions. [2018-02-04 04:53:16,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 04:53:16,368 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:53:16,368 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:53:16,368 INFO L371 AbstractCegarLoop]: === Iteration 5 === [re_insertErr7RequiresViolation, re_insertErr5RequiresViolation, re_insertErr2RequiresViolation, re_insertErr3RequiresViolation, re_insertErr9RequiresViolation, re_insertErr6RequiresViolation, re_insertErr8RequiresViolation, re_insertErr4RequiresViolation, re_insertErr11RequiresViolation, re_insertErr0RequiresViolation, re_insertErr1RequiresViolation, re_insertErr10RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation, is_list_containing_xErr1RequiresViolation, is_list_containing_xErr0RequiresViolation, is_list_containing_xErr2RequiresViolation, is_list_containing_xErr3RequiresViolation, removeErr9RequiresViolation, removeErr13RequiresViolation, removeErr0RequiresViolation, removeErr4RequiresViolation, removeErr5RequiresViolation, removeErr12RequiresViolation, removeErr10RequiresViolation, removeErr6RequiresViolation, removeErr14RequiresViolation, removeErr3RequiresViolation, removeErr1RequiresViolation, removeErr8RequiresViolation, removeErr11RequiresViolation, removeErr7RequiresViolation, removeErr15RequiresViolation, removeErr2RequiresViolation]=== [2018-02-04 04:53:16,369 INFO L82 PathProgramCache]: Analyzing trace with hash -711243011, 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 04:53:16,371 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:53:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:53:16,393 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 90 column 352: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool 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:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196) 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 04:53:16,395 INFO L168 Benchmark]: Toolchain (without parser) took 2083.75 ms. Allocated memory was 402.1 MB in the beginning and 554.2 MB in the end (delta: 152.0 MB). Free memory was 358.8 MB in the beginning and 343.5 MB in the end (delta: 15.3 MB). Peak memory consumption was 167.4 MB. Max. memory is 5.3 GB. [2018-02-04 04:53:16,396 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 402.1 MB. Free memory is still 365.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:53:16,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.48 ms. Allocated memory is still 402.1 MB. Free memory was 358.8 MB in the beginning and 348.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:53:16,397 INFO L168 Benchmark]: Boogie Preprocessor took 26.90 ms. Allocated memory is still 402.1 MB. Free memory was 348.2 MB in the beginning and 345.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. [2018-02-04 04:53:16,397 INFO L168 Benchmark]: RCFGBuilder took 336.63 ms. Allocated memory is still 402.1 MB. Free memory was 345.5 MB in the beginning and 312.1 MB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 5.3 GB. [2018-02-04 04:53:16,397 INFO L168 Benchmark]: TraceAbstraction took 1561.92 ms. Allocated memory was 402.1 MB in the beginning and 554.2 MB in the end (delta: 152.0 MB). Free memory was 312.1 MB in the beginning and 343.5 MB in the end (delta: -31.4 MB). Peak memory consumption was 120.7 MB. Max. memory is 5.3 GB. [2018-02-04 04:53:16,399 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 402.1 MB. Free memory is still 365.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 155.48 ms. Allocated memory is still 402.1 MB. Free memory was 358.8 MB in the beginning and 348.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 26.90 ms. Allocated memory is still 402.1 MB. Free memory was 348.2 MB in the beginning and 345.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 336.63 ms. Allocated memory is still 402.1 MB. Free memory was 345.5 MB in the beginning and 312.1 MB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1561.92 ms. Allocated memory was 402.1 MB in the beginning and 554.2 MB in the end (delta: 152.0 MB). Free memory was 312.1 MB in the beginning and 343.5 MB in the end (delta: -31.4 MB). Peak memory consumption was 120.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 90 column 352: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 90 column 352: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool: 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/dancing_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-53-16-405.csv Received shutdown request...