java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/memsafety/20020406-1_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-a74eeac-m [2018-02-02 21:01:48,875 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 21:01:48,877 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 21:01:48,888 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 21:01:48,888 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 21:01:48,889 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 21:01:48,890 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 21:01:48,891 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 21:01:48,893 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 21:01:48,893 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 21:01:48,894 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 21:01:48,894 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 21:01:48,895 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 21:01:48,896 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 21:01:48,897 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 21:01:48,898 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 21:01:48,900 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 21:01:48,901 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 21:01:48,902 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 21:01:48,903 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 21:01:48,905 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 21:01:48,905 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 21:01:48,905 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 21:01:48,906 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 21:01:48,906 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 21:01:48,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 21:01:48,908 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 21:01:48,908 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 21:01:48,908 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 21:01:48,908 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 21:01:48,909 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 21:01:48,909 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-02-02 21:01:48,917 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 21:01:48,918 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 21:01:48,918 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 21:01:48,919 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 21:01:48,919 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 21:01:48,919 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 21:01:48,919 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 21:01:48,919 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 21:01:48,919 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 21:01:48,919 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 21:01:48,919 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 21:01:48,919 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 21:01:48,920 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 21:01:48,920 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 21:01:48,920 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 21:01:48,920 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 21:01:48,920 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 21:01:48,920 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 21:01:48,920 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 21:01:48,920 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 21:01:48,920 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 21:01:48,920 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 21:01:48,921 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-02 21:01:48,921 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-02 21:01:48,921 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-02 21:01:48,946 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 21:01:48,954 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 21:01:48,956 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 21:01:48,957 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 21:01:48,957 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 21:01:48,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/20020406-1_false-valid-memtrack.i [2018-02-02 21:01:49,100 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 21:01:49,101 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 21:01:49,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 21:01:49,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 21:01:49,106 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 21:01:49,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:01:49" (1/1) ... [2018-02-02 21:01:49,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19495381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:01:49, skipping insertion in model container [2018-02-02 21:01:49,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:01:49" (1/1) ... [2018-02-02 21:01:49,120 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 21:01:49,154 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 21:01:49,256 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 21:01:49,279 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 21:01:49,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:01:49 WrapperNode [2018-02-02 21:01:49,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 21:01:49,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 21:01:49,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 21:01:49,290 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 21:01:49,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:01:49" (1/1) ... [2018-02-02 21:01:49,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:01:49" (1/1) ... [2018-02-02 21:01:49,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:01:49" (1/1) ... [2018-02-02 21:01:49,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:01:49" (1/1) ... [2018-02-02 21:01:49,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:01:49" (1/1) ... [2018-02-02 21:01:49,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:01:49" (1/1) ... [2018-02-02 21:01:49,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:01:49" (1/1) ... [2018-02-02 21:01:49,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 21:01:49,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 21:01:49,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 21:01:49,331 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 21:01:49,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:01:49" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 21:01:49,369 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 21:01:49,369 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 21:01:49,369 INFO L136 BoogieDeclarations]: Found implementation of procedure FFmul [2018-02-02 21:01:49,370 INFO L136 BoogieDeclarations]: Found implementation of procedure DUPFFdeg [2018-02-02 21:01:49,370 INFO L136 BoogieDeclarations]: Found implementation of procedure DUPFFnew [2018-02-02 21:01:49,370 INFO L136 BoogieDeclarations]: Found implementation of procedure DUPFFfree [2018-02-02 21:01:49,370 INFO L136 BoogieDeclarations]: Found implementation of procedure DUPFFswap [2018-02-02 21:01:49,370 INFO L136 BoogieDeclarations]: Found implementation of procedure DUPFFcopy [2018-02-02 21:01:49,370 INFO L136 BoogieDeclarations]: Found implementation of procedure DUPFFshift_add [2018-02-02 21:01:49,370 INFO L136 BoogieDeclarations]: Found implementation of procedure DUPFFexgcd [2018-02-02 21:01:49,370 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 21:01:49,370 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 21:01:49,370 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 21:01:49,370 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 21:01:49,370 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 21:01:49,370 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 21:01:49,371 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 21:01:49,371 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 21:01:49,371 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-02-02 21:01:49,371 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-02-02 21:01:49,371 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 21:01:49,371 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-02-02 21:01:49,371 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-02-02 21:01:49,371 INFO L128 BoogieDeclarations]: Found specification of procedure FFmul [2018-02-02 21:01:49,371 INFO L128 BoogieDeclarations]: Found specification of procedure DUPFFdeg [2018-02-02 21:01:49,371 INFO L128 BoogieDeclarations]: Found specification of procedure DUPFFnew [2018-02-02 21:01:49,371 INFO L128 BoogieDeclarations]: Found specification of procedure DUPFFfree [2018-02-02 21:01:49,371 INFO L128 BoogieDeclarations]: Found specification of procedure DUPFFswap [2018-02-02 21:01:49,371 INFO L128 BoogieDeclarations]: Found specification of procedure DUPFFcopy [2018-02-02 21:01:49,371 INFO L128 BoogieDeclarations]: Found specification of procedure DUPFFshift_add [2018-02-02 21:01:49,371 INFO L128 BoogieDeclarations]: Found specification of procedure DUPFFexgcd [2018-02-02 21:01:49,372 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 21:01:49,372 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 21:01:49,372 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 21:01:49,527 WARN L455 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-02-02 21:01:49,790 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 21:01:49,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:01:49 BoogieIcfgContainer [2018-02-02 21:01:49,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 21:01:49,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 21:01:49,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 21:01:49,793 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 21:01:49,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:01:49" (1/3) ... [2018-02-02 21:01:49,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348d5805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:01:49, skipping insertion in model container [2018-02-02 21:01:49,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:01:49" (2/3) ... [2018-02-02 21:01:49,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348d5805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:01:49, skipping insertion in model container [2018-02-02 21:01:49,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:01:49" (3/3) ... [2018-02-02 21:01:49,796 INFO L107 eAbstractionObserver]: Analyzing ICFG 20020406-1_false-valid-memtrack.i [2018-02-02 21:01:49,802 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-02 21:01:49,808 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 55 error locations. [2018-02-02 21:01:49,834 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 21:01:49,834 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 21:01:49,834 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-02 21:01:49,834 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-02 21:01:49,834 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 21:01:49,834 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 21:01:49,834 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 21:01:49,835 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 21:01:49,835 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 21:01:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states. [2018-02-02 21:01:49,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-02 21:01:49,854 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:01:49,855 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:01:49,855 INFO L371 AbstractCegarLoop]: === Iteration 1 === [DUPFFnewErr7RequiresViolation, DUPFFnewErr5RequiresViolation, DUPFFnewErr10RequiresViolation, DUPFFnewErr2RequiresViolation, DUPFFnewErr3RequiresViolation, DUPFFnewErr9RequiresViolation, DUPFFnewErr11RequiresViolation, DUPFFnewErr8RequiresViolation, DUPFFnewErr4RequiresViolation, DUPFFnewErr0RequiresViolation, DUPFFnewErr1RequiresViolation, DUPFFnewErr6RequiresViolation, DUPFFexgcdErr7RequiresViolation, DUPFFexgcdErr14RequiresViolation, DUPFFexgcdErr19RequiresViolation, DUPFFexgcdErr22RequiresViolation, DUPFFexgcdErr12RequiresViolation, DUPFFexgcdErr27RequiresViolation, DUPFFexgcdErr17RequiresViolation, DUPFFexgcdErr16RequiresViolation, DUPFFexgcdErr5RequiresViolation, DUPFFexgcdErr6RequiresViolation, DUPFFexgcdErr2RequiresViolation, DUPFFexgcdErr9RequiresViolation, DUPFFexgcdErr26RequiresViolation, DUPFFexgcdErr3RequiresViolation, DUPFFexgcdErr18RequiresViolation, DUPFFexgcdErr13RequiresViolation, DUPFFexgcdErr23RequiresViolation, DUPFFexgcdErr15RequiresViolation, DUPFFexgcdErr8RequiresViolation, DUPFFexgcdErr10RequiresViolation, DUPFFexgcdErr20RequiresViolation, DUPFFexgcdErr1RequiresViolation, DUPFFexgcdErr21RequiresViolation, DUPFFexgcdErr25RequiresViolation, DUPFFexgcdErr0RequiresViolation, DUPFFexgcdErr4RequiresViolation, DUPFFexgcdErr24RequiresViolation, DUPFFexgcdErr11RequiresViolation, DUPFFdegErr1RequiresViolation, DUPFFdegErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12EnsuresViolation]=== [2018-02-02 21:01:49,858 INFO L82 PathProgramCache]: Analyzing trace with hash 167141018, now seen corresponding path program 1 times [2018-02-02 21:01:49,859 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:01:49,859 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:01:49,888 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:01:49,888 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:01:49,888 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:01:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:01:49,929 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:01:49,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:01:49,993 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:01:49,993 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 21:01:49,994 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 21:01:50,064 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 21:01:50,065 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 21:01:50,066 INFO L87 Difference]: Start difference. First operand 210 states. Second operand 4 states. [2018-02-02 21:01:50,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:01:50,259 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2018-02-02 21:01:50,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 21:01:50,260 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-02-02 21:01:50,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:01:50,267 INFO L225 Difference]: With dead ends: 205 [2018-02-02 21:01:50,267 INFO L226 Difference]: Without dead ends: 202 [2018-02-02 21:01:50,268 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-02 21:01:50,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-02-02 21:01:50,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2018-02-02 21:01:50,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-02-02 21:01:50,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 238 transitions. [2018-02-02 21:01:50,306 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 238 transitions. Word has length 14 [2018-02-02 21:01:50,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:01:50,307 INFO L432 AbstractCegarLoop]: Abstraction has 202 states and 238 transitions. [2018-02-02 21:01:50,307 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 21:01:50,307 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 238 transitions. [2018-02-02 21:01:50,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-02 21:01:50,308 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:01:50,308 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:01:50,308 INFO L371 AbstractCegarLoop]: === Iteration 2 === [DUPFFnewErr7RequiresViolation, DUPFFnewErr5RequiresViolation, DUPFFnewErr10RequiresViolation, DUPFFnewErr2RequiresViolation, DUPFFnewErr3RequiresViolation, DUPFFnewErr9RequiresViolation, DUPFFnewErr11RequiresViolation, DUPFFnewErr8RequiresViolation, DUPFFnewErr4RequiresViolation, DUPFFnewErr0RequiresViolation, DUPFFnewErr1RequiresViolation, DUPFFnewErr6RequiresViolation, DUPFFexgcdErr7RequiresViolation, DUPFFexgcdErr14RequiresViolation, DUPFFexgcdErr19RequiresViolation, DUPFFexgcdErr22RequiresViolation, DUPFFexgcdErr12RequiresViolation, DUPFFexgcdErr27RequiresViolation, DUPFFexgcdErr17RequiresViolation, DUPFFexgcdErr16RequiresViolation, DUPFFexgcdErr5RequiresViolation, DUPFFexgcdErr6RequiresViolation, DUPFFexgcdErr2RequiresViolation, DUPFFexgcdErr9RequiresViolation, DUPFFexgcdErr26RequiresViolation, DUPFFexgcdErr3RequiresViolation, DUPFFexgcdErr18RequiresViolation, DUPFFexgcdErr13RequiresViolation, DUPFFexgcdErr23RequiresViolation, DUPFFexgcdErr15RequiresViolation, DUPFFexgcdErr8RequiresViolation, DUPFFexgcdErr10RequiresViolation, DUPFFexgcdErr20RequiresViolation, DUPFFexgcdErr1RequiresViolation, DUPFFexgcdErr21RequiresViolation, DUPFFexgcdErr25RequiresViolation, DUPFFexgcdErr0RequiresViolation, DUPFFexgcdErr4RequiresViolation, DUPFFexgcdErr24RequiresViolation, DUPFFexgcdErr11RequiresViolation, DUPFFdegErr1RequiresViolation, DUPFFdegErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12EnsuresViolation]=== [2018-02-02 21:01:50,308 INFO L82 PathProgramCache]: Analyzing trace with hash 167141019, now seen corresponding path program 1 times [2018-02-02 21:01:50,308 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:01:50,308 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:01:50,309 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:01:50,309 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:01:50,310 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:01:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:01:50,326 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:01:50,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:01:50,386 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:01:50,386 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 21:01:50,387 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 21:01:50,387 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 21:01:50,387 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 21:01:50,388 INFO L87 Difference]: Start difference. First operand 202 states and 238 transitions. Second operand 4 states. [2018-02-02 21:01:50,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:01:50,529 INFO L93 Difference]: Finished difference Result 206 states and 247 transitions. [2018-02-02 21:01:50,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 21:01:50,530 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-02-02 21:01:50,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:01:50,532 INFO L225 Difference]: With dead ends: 206 [2018-02-02 21:01:50,532 INFO L226 Difference]: Without dead ends: 206 [2018-02-02 21:01:50,532 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-02 21:01:50,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-02-02 21:01:50,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 203. [2018-02-02 21:01:50,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-02-02 21:01:50,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 239 transitions. [2018-02-02 21:01:50,543 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 239 transitions. Word has length 14 [2018-02-02 21:01:50,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:01:50,543 INFO L432 AbstractCegarLoop]: Abstraction has 203 states and 239 transitions. [2018-02-02 21:01:50,543 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 21:01:50,543 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 239 transitions. [2018-02-02 21:01:50,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-02 21:01:50,544 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:01:50,544 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:01:50,544 INFO L371 AbstractCegarLoop]: === Iteration 3 === [DUPFFnewErr7RequiresViolation, DUPFFnewErr5RequiresViolation, DUPFFnewErr10RequiresViolation, DUPFFnewErr2RequiresViolation, DUPFFnewErr3RequiresViolation, DUPFFnewErr9RequiresViolation, DUPFFnewErr11RequiresViolation, DUPFFnewErr8RequiresViolation, DUPFFnewErr4RequiresViolation, DUPFFnewErr0RequiresViolation, DUPFFnewErr1RequiresViolation, DUPFFnewErr6RequiresViolation, DUPFFexgcdErr7RequiresViolation, DUPFFexgcdErr14RequiresViolation, DUPFFexgcdErr19RequiresViolation, DUPFFexgcdErr22RequiresViolation, DUPFFexgcdErr12RequiresViolation, DUPFFexgcdErr27RequiresViolation, DUPFFexgcdErr17RequiresViolation, DUPFFexgcdErr16RequiresViolation, DUPFFexgcdErr5RequiresViolation, DUPFFexgcdErr6RequiresViolation, DUPFFexgcdErr2RequiresViolation, DUPFFexgcdErr9RequiresViolation, DUPFFexgcdErr26RequiresViolation, DUPFFexgcdErr3RequiresViolation, DUPFFexgcdErr18RequiresViolation, DUPFFexgcdErr13RequiresViolation, DUPFFexgcdErr23RequiresViolation, DUPFFexgcdErr15RequiresViolation, DUPFFexgcdErr8RequiresViolation, DUPFFexgcdErr10RequiresViolation, DUPFFexgcdErr20RequiresViolation, DUPFFexgcdErr1RequiresViolation, DUPFFexgcdErr21RequiresViolation, DUPFFexgcdErr25RequiresViolation, DUPFFexgcdErr0RequiresViolation, DUPFFexgcdErr4RequiresViolation, DUPFFexgcdErr24RequiresViolation, DUPFFexgcdErr11RequiresViolation, DUPFFdegErr1RequiresViolation, DUPFFdegErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12EnsuresViolation]=== [2018-02-02 21:01:50,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1430949362, now seen corresponding path program 1 times [2018-02-02 21:01:50,544 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:01:50,545 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:01:50,545 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:01:50,545 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:01:50,546 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:01:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:01:50,562 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:01:50,569 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unknown lemma type! at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$1(Interpolator.java:263) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:132) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:915) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:281) 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.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:199) 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.MultiTrackTraceAbstractionRefinementStrategy.getTraceCheck(MultiTrackTraceAbstractionRefinementStrategy.java:222) 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) [2018-02-02 21:01:50,572 INFO L168 Benchmark]: Toolchain (without parser) took 1471.63 ms. Allocated memory was 401.1 MB in the beginning and 612.9 MB in the end (delta: 211.8 MB). Free memory was 357.8 MB in the beginning and 515.1 MB in the end (delta: -157.2 MB). Peak memory consumption was 54.6 MB. Max. memory is 5.3 GB. [2018-02-02 21:01:50,573 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 401.1 MB. Free memory is still 364.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 21:01:50,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.06 ms. Allocated memory is still 401.1 MB. Free memory was 357.8 MB in the beginning and 344.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 5.3 GB. [2018-02-02 21:01:50,574 INFO L168 Benchmark]: Boogie Preprocessor took 40.12 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. [2018-02-02 21:01:50,574 INFO L168 Benchmark]: RCFGBuilder took 460.19 ms. Allocated memory is still 401.1 MB. Free memory was 341.7 MB in the beginning and 290.5 MB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 5.3 GB. [2018-02-02 21:01:50,574 INFO L168 Benchmark]: TraceAbstraction took 780.19 ms. Allocated memory was 401.1 MB in the beginning and 612.9 MB in the end (delta: 211.8 MB). Free memory was 290.5 MB in the beginning and 515.1 MB in the end (delta: -224.6 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 21:01:50,576 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 401.1 MB. Free memory is still 364.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 188.06 ms. Allocated memory is still 401.1 MB. Free memory was 357.8 MB in the beginning and 344.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.12 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 460.19 ms. Allocated memory is still 401.1 MB. Free memory was 341.7 MB in the beginning and 290.5 MB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 780.19 ms. Allocated memory was 401.1 MB in the beginning and 612.9 MB in the end (delta: 211.8 MB). Free memory was 290.5 MB in the beginning and 515.1 MB in the end (delta: -224.6 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Unknown lemma type! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unknown lemma type!: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) 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/20020406-1_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_21-01-50-582.csv Received shutdown request...