java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/list-ext-properties/test-0019_1_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:41:06,037 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:41:06,039 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:41:06,053 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:41:06,054 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:41:06,054 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:41:06,056 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:41:06,058 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:41:06,060 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:41:06,060 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:41:06,061 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:41:06,062 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:41:06,063 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:41:06,064 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:41:06,065 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:41:06,067 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:41:06,068 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:41:06,070 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:41:06,071 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:41:06,072 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:41:06,075 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 04:41:06,080 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 04:41:06,091 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:41:06,092 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:41:06,093 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:41:06,093 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:41:06,094 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:41:06,094 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:41:06,094 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:41:06,094 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:41:06,094 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:41:06,095 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:41:06,095 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:41:06,095 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:41:06,095 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:41:06,095 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:41:06,096 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:41:06,096 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:41:06,096 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:41:06,096 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:41:06,097 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:41:06,097 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:41:06,097 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:41:06,097 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:41:06,097 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:41:06,097 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:41:06,098 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:41:06,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:41:06,140 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:41:06,143 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:41:06,144 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:41:06,145 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:41:06,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0019_1_true-valid-memsafety_true-termination.i [2018-02-04 04:41:06,294 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:41:06,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:41:06,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:41:06,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:41:06,301 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:41:06,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:41:06" (1/1) ... [2018-02-04 04:41:06,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b7e63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:06, skipping insertion in model container [2018-02-04 04:41:06,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:41:06" (1/1) ... [2018-02-04 04:41:06,319 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:41:06,342 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:41:06,435 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:41:06,452 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:41:06,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:06 WrapperNode [2018-02-04 04:41:06,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:41:06,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:41:06,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:41:06,459 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:41:06,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:06" (1/1) ... [2018-02-04 04:41:06,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:06" (1/1) ... [2018-02-04 04:41:06,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:06" (1/1) ... [2018-02-04 04:41:06,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:06" (1/1) ... [2018-02-04 04:41:06,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:06" (1/1) ... [2018-02-04 04:41:06,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:06" (1/1) ... [2018-02-04 04:41:06,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:06" (1/1) ... [2018-02-04 04:41:06,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:41:06,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:41:06,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:41:06,488 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:41:06,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:06" (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 04:41:06,529 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:41:06,530 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:41:06,530 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_data [2018-02-04 04:41:06,530 INFO L136 BoogieDeclarations]: Found implementation of procedure free_data [2018-02-04 04:41:06,530 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:41:06,530 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:41:06,530 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:41:06,530 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 04:41:06,530 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 04:41:06,531 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:41:06,531 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:41:06,531 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:41:06,531 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:41:06,531 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:41:06,531 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_data [2018-02-04 04:41:06,531 INFO L128 BoogieDeclarations]: Found specification of procedure free_data [2018-02-04 04:41:06,531 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:41:06,532 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:41:06,532 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:41:06,683 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:41:06,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:41:06 BoogieIcfgContainer [2018-02-04 04:41:06,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:41:06,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:41:06,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:41:06,686 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:41:06,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:41:06" (1/3) ... [2018-02-04 04:41:06,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4f1df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:41:06, skipping insertion in model container [2018-02-04 04:41:06,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:06" (2/3) ... [2018-02-04 04:41:06,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4f1df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:41:06, skipping insertion in model container [2018-02-04 04:41:06,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:41:06" (3/3) ... [2018-02-04 04:41:06,690 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_1_true-valid-memsafety_true-termination.i [2018-02-04 04:41:06,696 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:41:06,701 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2018-02-04 04:41:06,732 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:41:06,732 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:41:06,732 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:41:06,732 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:41:06,733 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:41:06,733 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:41:06,733 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:41:06,733 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:41:06,734 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:41:06,745 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2018-02-04 04:41:06,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-02-04 04:41:06,753 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:41:06,753 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:41:06,754 INFO L371 AbstractCegarLoop]: === Iteration 1 === [alloc_dataErr4RequiresViolation, alloc_dataErr10RequiresViolation, alloc_dataErr2RequiresViolation, alloc_dataErr8RequiresViolation, alloc_dataErr0RequiresViolation, alloc_dataErr1RequiresViolation, alloc_dataErr6RequiresViolation, alloc_dataErr7RequiresViolation, alloc_dataErr3RequiresViolation, alloc_dataErr11RequiresViolation, alloc_dataErr5RequiresViolation, alloc_dataErr9RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation, free_dataErr3RequiresViolation, free_dataErr1RequiresViolation, free_dataErr7RequiresViolation, free_dataErr2RequiresViolation, free_dataErr4RequiresViolation, free_dataErr6RequiresViolation, free_dataErr0RequiresViolation, free_dataErr5RequiresViolation]=== [2018-02-04 04:41:06,758 INFO L82 PathProgramCache]: Analyzing trace with hash -2011258117, 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 04:41:06,768 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:41:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:41:06,827 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier [2018-02-04 04:41:06,836 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:41:06,837 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:41:06,837 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:41:06,838 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:41:06,866 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 04:41:06,888 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:41:06,889 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:41:06,889 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:41:06,890 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:41:06,890 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:41:06,890 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:41:07,164 WARN L146 SmtUtils]: Spent 260ms on a formula simplification. DAG size of input: 38 DAG size of output 34 [2018-02-04 04:41:07,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2018-02-04 04:41:07,181 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 04:41:07,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2018-02-04 04:41:07,183 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 04:41:07,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2018-02-04 04:41:07,188 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 04:41:07,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2018-02-04 04:41:07,193 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 04:41:07,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2018-02-04 04:41:07,196 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 04:41:07,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-02-04 04:41:07,200 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 04:41:07,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2018-02-04 04:41:07,271 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 04:41:07,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2018-02-04 04:41:07,287 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 04:41:07,296 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 04:41:07,297 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:121, output treesize:26 [2018-02-04 04:41:09,751 WARN L143 SmtUtils]: Spent 2449ms on a formula simplification that was a NOOP. DAG size: 15 [2018-02-04 04:41:09,752 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:41:09,752 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:41:09,752 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:41:09,753 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:41:09,753 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:41:09,753 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:41:09,884 WARN L146 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 37 DAG size of output 33 [2018-02-04 04:41:09,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-02-04 04:41:09,891 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 04:41:09,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2018-02-04 04:41:09,894 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 04:41:09,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2018-02-04 04:41:09,899 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 04:41:09,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2018-02-04 04:41:09,904 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 04:41:09,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2018-02-04 04:41:09,907 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 04:41:09,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2018-02-04 04:41:09,911 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 04:41:09,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-02-04 04:41:09,948 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 04:41:09,958 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 04:41:09,959 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:121, output treesize:15 [2018-02-04 04:41:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:41:09,995 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 04:41:09,999 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:41:09,999 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 04:41:10,000 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:41:10,000 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 04:41:10,000 INFO L182 omatonBuilderFactory]: Interpolants [66#true, 67#false, 71#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 72#(= 1 (select |#valid| |main_~#data~0.base|)), 73#(and (not (= (select |#valid| |alloc_data_#in~pdata.base|) 0)) (forall ((v_prenex_2 Int)) (or (= v_prenex_2 |alloc_data_#in~pdata.base|) (= (select (store |#valid| v_prenex_2 1) |alloc_data_#in~pdata.base|) 1)))), 74#(forall ((%1 Int)) (= 1 (select (store |#valid| %1 1) alloc_data_~pdata.base))), 75#(= 1 (select |#valid| alloc_data_~pdata.base)), 76#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:41:10,001 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 04:41:10,002 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 04:41:10,012 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 04:41:10,012 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=30, Unknown=1, NotChecked=10, Total=56 [2018-02-04 04:41:10,014 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 8 states. [2018-02-04 04:41:14,305 WARN L143 SmtUtils]: Spent 2394ms on a formula simplification that was a NOOP. DAG size: 23 [2018-02-04 04:41:18,222 WARN L143 SmtUtils]: Spent 505ms on a formula simplification that was a NOOP. DAG size: 29 [2018-02-04 04:41:20,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:41:20,058 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2018-02-04 04:41:20,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 04:41:20,059 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2018-02-04 04:41:20,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:41:20,066 INFO L225 Difference]: With dead ends: 62 [2018-02-04 04:41:20,066 INFO L226 Difference]: Without dead ends: 59 [2018-02-04 04:41:20,068 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=29, Invalid=60, Unknown=5, NotChecked=16, Total=110 [2018-02-04 04:41:20,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-02-04 04:41:20,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2018-02-04 04:41:20,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-02-04 04:41:20,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-02-04 04:41:20,148 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 10 [2018-02-04 04:41:20,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:41:20,148 INFO L432 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-02-04 04:41:20,148 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 04:41:20,148 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-02-04 04:41:20,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-02-04 04:41:20,149 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:41:20,149 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:41:20,149 INFO L371 AbstractCegarLoop]: === Iteration 2 === [alloc_dataErr4RequiresViolation, alloc_dataErr10RequiresViolation, alloc_dataErr2RequiresViolation, alloc_dataErr8RequiresViolation, alloc_dataErr0RequiresViolation, alloc_dataErr1RequiresViolation, alloc_dataErr6RequiresViolation, alloc_dataErr7RequiresViolation, alloc_dataErr3RequiresViolation, alloc_dataErr11RequiresViolation, alloc_dataErr5RequiresViolation, alloc_dataErr9RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation, free_dataErr3RequiresViolation, free_dataErr1RequiresViolation, free_dataErr7RequiresViolation, free_dataErr2RequiresViolation, free_dataErr4RequiresViolation, free_dataErr6RequiresViolation, free_dataErr0RequiresViolation, free_dataErr5RequiresViolation]=== [2018-02-04 04:41:20,149 INFO L82 PathProgramCache]: Analyzing trace with hash -2011258116, 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 04:41:20,152 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:41:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:41:20,191 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier Unsupported proof rule: (let ((a!1 (= (+ 0 (* (- 1) (select |#length_8| |main_~#data~0.base_5|))) (* (- 1) (select |#length_8| |main_~#data~0.base_5|))))) (rewrite a!1)) [2018-02-04 04:41:20,192 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 89 column 315: 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 04:41:20,195 INFO L168 Benchmark]: Toolchain (without parser) took 13900.54 ms. Allocated memory was 401.1 MB in the beginning and 605.6 MB in the end (delta: 204.5 MB). Free memory was 354.9 MB in the beginning and 580.0 MB in the end (delta: -225.1 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:41:20,196 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 401.1 MB. Free memory is still 362.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:41:20,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.69 ms. Allocated memory is still 401.1 MB. Free memory was 354.9 MB in the beginning and 344.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:41:20,197 INFO L168 Benchmark]: Boogie Preprocessor took 28.90 ms. Allocated memory is still 401.1 MB. Free memory was 344.3 MB in the beginning and 341.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:41:20,197 INFO L168 Benchmark]: RCFGBuilder took 195.87 ms. Allocated memory is still 401.1 MB. Free memory was 341.7 MB in the beginning and 319.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. [2018-02-04 04:41:20,197 INFO L168 Benchmark]: TraceAbstraction took 13509.99 ms. Allocated memory was 401.1 MB in the beginning and 605.6 MB in the end (delta: 204.5 MB). Free memory was 319.2 MB in the beginning and 580.0 MB in the end (delta: -260.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:41:20,200 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 401.1 MB. Free memory is still 362.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 162.69 ms. Allocated memory is still 401.1 MB. Free memory was 354.9 MB in the beginning and 344.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 28.90 ms. Allocated memory is still 401.1 MB. Free memory was 344.3 MB in the beginning and 341.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 195.87 ms. Allocated memory is still 401.1 MB. Free memory was 341.7 MB in the beginning and 319.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 13509.99 ms. Allocated memory was 401.1 MB in the beginning and 605.6 MB in the end (delta: 204.5 MB). Free memory was 319.2 MB in the beginning and 580.0 MB in the end (delta: -260.8 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 89 column 315: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 89 column 315: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-41-20-207.csv Received shutdown request...