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/memsafety-ext/tree_cnstr_true-valid-memsafety_false-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:39:44,957 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:39:44,959 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:39:44,970 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:39:44,970 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:39:44,971 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:39:44,972 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:39:44,973 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:39:44,974 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:39:44,975 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:39:44,975 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:39:44,975 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:39:44,976 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:39:44,977 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:39:44,977 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:39:44,979 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:39:44,981 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:39:44,982 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:39:44,983 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:39:44,984 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:39:44,986 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 04:39:44,989 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:39:44,990 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:39:44,990 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 04:39:45,000 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:39:45,000 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:39:45,001 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:39:45,002 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:39:45,002 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:39:45,002 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:39:45,002 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:39:45,002 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:39:45,002 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:39:45,003 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:39:45,003 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:39:45,003 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:39:45,003 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:39:45,003 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:39:45,003 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:39:45,004 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:39:45,004 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:39:45,004 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:39:45,004 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:39:45,004 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:39:45,004 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:39:45,005 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:39:45,005 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:39:45,005 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:39:45,005 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:39:45,034 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:39:45,044 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:39:45,046 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:39:45,047 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:39:45,048 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:39:45,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext/tree_cnstr_true-valid-memsafety_false-termination.i [2018-02-04 04:39:45,161 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:39:45,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:39:45,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:39:45,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:39:45,166 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:39:45,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:39:45" (1/1) ... [2018-02-04 04:39:45,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679e69c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:45, skipping insertion in model container [2018-02-04 04:39:45,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:39:45" (1/1) ... [2018-02-04 04:39:45,178 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:39:45,203 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:39:45,290 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:39:45,307 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:39:45,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:45 WrapperNode [2018-02-04 04:39:45,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:39:45,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:39:45,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:39:45,314 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:39:45,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:45" (1/1) ... [2018-02-04 04:39:45,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:45" (1/1) ... [2018-02-04 04:39:45,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:45" (1/1) ... [2018-02-04 04:39:45,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:45" (1/1) ... [2018-02-04 04:39:45,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:45" (1/1) ... [2018-02-04 04:39:45,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:45" (1/1) ... [2018-02-04 04:39:45,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:45" (1/1) ... [2018-02-04 04:39:45,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:39:45,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:39:45,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:39:45,342 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:39:45,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:45" (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 04:39:45,374 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:39:45,375 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:39:45,375 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:39:45,375 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:39:45,375 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:39:45,375 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:39:45,375 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:39:45,375 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:39:45,375 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:39:45,375 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:39:45,375 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:39:45,375 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:39:45,375 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:39:45,375 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:39:45,704 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:39:45,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:39:45 BoogieIcfgContainer [2018-02-04 04:39:45,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:39:45,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:39:45,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:39:45,708 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:39:45,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:39:45" (1/3) ... [2018-02-04 04:39:45,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64952e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:39:45, skipping insertion in model container [2018-02-04 04:39:45,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:45" (2/3) ... [2018-02-04 04:39:45,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64952e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:39:45, skipping insertion in model container [2018-02-04 04:39:45,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:39:45" (3/3) ... [2018-02-04 04:39:45,710 INFO L107 eAbstractionObserver]: Analyzing ICFG tree_cnstr_true-valid-memsafety_false-termination.i [2018-02-04 04:39:45,715 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:39:45,720 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 55 error locations. [2018-02-04 04:39:45,743 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:39:45,743 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:39:45,743 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:39:45,743 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:39:45,743 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:39:45,743 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:39:45,744 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:39:45,744 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:39:45,744 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:39:45,754 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2018-02-04 04:39:45,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:39:45,761 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:39:45,762 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:39:45,762 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:39:45,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1341839433, 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 04:39:45,773 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:39:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:39:45,793 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:39:45,800 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:45,800 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:45,801 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:45,801 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:45,827 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 04:39:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:39:45,872 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 04:39:45,898 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:39:45,898 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:39:45,898 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:39:45,899 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 04:39:45,899 INFO L182 omatonBuilderFactory]: Interpolants [133#true, 134#false, 138#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 139#(= 1 (select |#valid| |main_#t~malloc0.base|)), 140#(= 1 (select |#valid| main_~root~0.base)), 141#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:39:45,899 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 04:39:45,900 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:39:45,907 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:39:45,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:39:45,909 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 6 states. [2018-02-04 04:39:46,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:39:46,271 INFO L93 Difference]: Finished difference Result 174 states and 193 transitions. [2018-02-04 04:39:46,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 04:39:46,273 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 04:39:46,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:39:46,282 INFO L225 Difference]: With dead ends: 174 [2018-02-04 04:39:46,283 INFO L226 Difference]: Without dead ends: 170 [2018-02-04 04:39:46,284 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=35, Unknown=3, NotChecked=12, Total=72 [2018-02-04 04:39:46,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-02-04 04:39:46,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 125. [2018-02-04 04:39:46,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-02-04 04:39:46,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 138 transitions. [2018-02-04 04:39:46,367 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 138 transitions. Word has length 8 [2018-02-04 04:39:46,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:39:46,367 INFO L432 AbstractCegarLoop]: Abstraction has 125 states and 138 transitions. [2018-02-04 04:39:46,367 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:39:46,367 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 138 transitions. [2018-02-04 04:39:46,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:39:46,367 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:39:46,367 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:39:46,367 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:39:46,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1341839434, 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 04:39:46,370 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:39:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:39:46,376 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:39:46,378 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:46,378 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:46,378 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:46,378 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:46,402 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 04:39:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:39:46,426 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 04:39:46,456 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:39:46,456 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:39:46,457 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:39:46,457 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 04:39:46,457 INFO L182 omatonBuilderFactory]: Interpolants [448#false, 452#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 453#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 454#(and (<= (+ main_~root~0.offset 4) (select |#length| main_~root~0.base)) (<= 0 main_~root~0.offset)), 455#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 447#true] [2018-02-04 04:39:46,457 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 04:39:46,458 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:39:46,458 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:39:46,458 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:39:46,459 INFO L87 Difference]: Start difference. First operand 125 states and 138 transitions. Second operand 6 states. [2018-02-04 04:39:46,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:39:46,746 INFO L93 Difference]: Finished difference Result 204 states and 230 transitions. [2018-02-04 04:39:46,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:39:46,746 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 04:39:46,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:39:46,748 INFO L225 Difference]: With dead ends: 204 [2018-02-04 04:39:46,749 INFO L226 Difference]: Without dead ends: 204 [2018-02-04 04:39:46,749 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 04:39:46,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-02-04 04:39:46,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 124. [2018-02-04 04:39:46,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-02-04 04:39:46,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 137 transitions. [2018-02-04 04:39:46,756 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 137 transitions. Word has length 8 [2018-02-04 04:39:46,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:39:46,756 INFO L432 AbstractCegarLoop]: Abstraction has 124 states and 137 transitions. [2018-02-04 04:39:46,756 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:39:46,756 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 137 transitions. [2018-02-04 04:39:46,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-02-04 04:39:46,757 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:39:46,757 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:39:46,757 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:39:46,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1352650556, 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 04:39:46,760 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:39:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:39:46,769 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:39:46,770 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:46,770 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:46,771 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:46,771 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:46,823 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 04:39:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:39:46,854 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 04:39:46,870 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:39:46,870 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:39:46,870 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:39:46,870 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 04:39:46,870 INFO L182 omatonBuilderFactory]: Interpolants [788#true, 789#false, 793#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 794#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 795#(and (<= (+ main_~root~0.offset 8) (select |#length| main_~root~0.base)) (<= 0 (+ main_~root~0.offset 4))), 796#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:39:46,871 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 04:39:46,871 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:39:46,871 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:39:46,871 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:39:46,871 INFO L87 Difference]: Start difference. First operand 124 states and 137 transitions. Second operand 6 states. [2018-02-04 04:39:47,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:39:47,090 INFO L93 Difference]: Finished difference Result 203 states and 229 transitions. [2018-02-04 04:39:47,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:39:47,090 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-02-04 04:39:47,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:39:47,091 INFO L225 Difference]: With dead ends: 203 [2018-02-04 04:39:47,092 INFO L226 Difference]: Without dead ends: 203 [2018-02-04 04:39:47,092 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=28, Unknown=2, NotChecked=10, Total=56 [2018-02-04 04:39:47,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-02-04 04:39:47,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 123. [2018-02-04 04:39:47,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-02-04 04:39:47,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 136 transitions. [2018-02-04 04:39:47,099 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 136 transitions. Word has length 9 [2018-02-04 04:39:47,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:39:47,099 INFO L432 AbstractCegarLoop]: Abstraction has 123 states and 136 transitions. [2018-02-04 04:39:47,099 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:39:47,099 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 136 transitions. [2018-02-04 04:39:47,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-04 04:39:47,100 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:39:47,100 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:39:47,100 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:39:47,100 INFO L82 PathProgramCache]: Analyzing trace with hash 557054198, 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 04:39:47,103 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:39:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:39:47,124 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 81 column 276: 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: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 04:39:47,127 INFO L168 Benchmark]: Toolchain (without parser) took 1965.05 ms. Allocated memory was 404.2 MB in the beginning and 607.6 MB in the end (delta: 203.4 MB). Free memory was 361.1 MB in the beginning and 461.4 MB in the end (delta: -100.3 MB). Peak memory consumption was 103.1 MB. Max. memory is 5.3 GB. [2018-02-04 04:39:47,128 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 404.2 MB. Free memory is still 367.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:39:47,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.27 ms. Allocated memory is still 404.2 MB. Free memory was 361.1 MB in the beginning and 350.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:39:47,128 INFO L168 Benchmark]: Boogie Preprocessor took 27.56 ms. Allocated memory is still 404.2 MB. Free memory was 350.5 MB in the beginning and 347.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:39:47,129 INFO L168 Benchmark]: RCFGBuilder took 363.27 ms. Allocated memory is still 404.2 MB. Free memory was 347.9 MB in the beginning and 312.3 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:39:47,129 INFO L168 Benchmark]: TraceAbstraction took 1420.46 ms. Allocated memory was 404.2 MB in the beginning and 607.6 MB in the end (delta: 203.4 MB). Free memory was 312.3 MB in the beginning and 461.4 MB in the end (delta: -149.1 MB). Peak memory consumption was 54.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:39:47,133 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 404.2 MB. Free memory is still 367.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 151.27 ms. Allocated memory is still 404.2 MB. Free memory was 361.1 MB in the beginning and 350.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 27.56 ms. Allocated memory is still 404.2 MB. Free memory was 350.5 MB in the beginning and 347.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 363.27 ms. Allocated memory is still 404.2 MB. Free memory was 347.9 MB in the beginning and 312.3 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1420.46 ms. Allocated memory was 404.2 MB in the beginning and 607.6 MB in the end (delta: 203.4 MB). Free memory was 312.3 MB in the beginning and 461.4 MB in the end (delta: -149.1 MB). Peak memory consumption was 54.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 81 column 276: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 81 column 276: 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/tree_cnstr_true-valid-memsafety_false-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-39-47-140.csv Received shutdown request...