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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/memsafety/test-0158_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 10:03:51,097 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 10:03:51,099 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 10:03:51,123 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 10:03:51,124 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 10:03:51,125 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 10:03:51,126 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 10:03:51,128 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 10:03:51,131 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 10:03:51,131 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 10:03:51,133 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 10:03:51,134 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 10:03:51,135 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 10:03:51,136 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 10:03:51,137 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 10:03:51,153 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 10:03:51,155 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 10:03:51,156 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 10:03:51,157 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 10:03:51,158 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 10:03:51,161 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-31 10:03:51,161 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-31 10:03:51,165 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-31 10:03:51,166 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-31 10:03:51,166 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-31 10:03:51,169 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-31 10:03:51,170 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-31 10:03:51,170 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-31 10:03:51,171 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-31 10:03:51,171 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 10:03:51,171 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 10:03:51,172 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-31 10:03:51,190 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 10:03:51,190 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 10:03:51,191 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 10:03:51,191 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 10:03:51,191 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 10:03:51,192 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 10:03:51,192 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 10:03:51,193 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 10:03:51,193 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 10:03:51,193 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 10:03:51,193 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 10:03:51,193 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 10:03:51,194 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 10:03:51,194 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 10:03:51,194 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 10:03:51,194 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 10:03:51,194 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 10:03:51,194 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 10:03:51,195 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 10:03:51,195 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 10:03:51,195 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 10:03:51,195 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 10:03:51,195 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 10:03:51,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 10:03:51,196 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 10:03:51,197 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 10:03:51,197 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 10:03:51,197 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 10:03:51,198 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 10:03:51,198 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 10:03:51,198 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 10:03:51,198 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 10:03:51,199 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 10:03:51,199 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 10:03:51,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 10:03:51,264 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 10:03:51,268 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 10:03:51,270 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 10:03:51,270 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 10:03:51,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0158_true-valid-memsafety_true-termination.i [2018-01-31 10:03:51,435 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 10:03:51,446 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-31 10:03:51,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 10:03:51,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 10:03:51,454 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 10:03:51,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:03:51" (1/1) ... [2018-01-31 10:03:51,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b423c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:03:51, skipping insertion in model container [2018-01-31 10:03:51,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:03:51" (1/1) ... [2018-01-31 10:03:51,478 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 10:03:51,537 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 10:03:51,691 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 10:03:51,709 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 10:03:51,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:03:51 WrapperNode [2018-01-31 10:03:51,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 10:03:51,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 10:03:51,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 10:03:51,718 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 10:03:51,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:03:51" (1/1) ... [2018-01-31 10:03:51,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:03:51" (1/1) ... [2018-01-31 10:03:51,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:03:51" (1/1) ... [2018-01-31 10:03:51,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:03:51" (1/1) ... [2018-01-31 10:03:51,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:03:51" (1/1) ... [2018-01-31 10:03:51,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:03:51" (1/1) ... [2018-01-31 10:03:51,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:03:51" (1/1) ... [2018-01-31 10:03:51,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 10:03:51,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 10:03:51,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 10:03:51,756 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 10:03:51,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:03:51" (1/1) ... No working directory specified, using /storage/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 [2018-01-31 10:03:51,827 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 10:03:51,827 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 10:03:51,828 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 10:03:51,828 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-31 10:03:51,828 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-31 10:03:51,828 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 10:03:51,828 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 10:03:51,829 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 10:03:51,829 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-31 10:03:51,829 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-31 10:03:51,829 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 10:03:51,829 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 10:03:51,829 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 10:03:52,200 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 10:03:52,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:03:52 BoogieIcfgContainer [2018-01-31 10:03:52,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 10:03:52,201 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-31 10:03:52,201 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-31 10:03:52,202 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-31 10:03:52,205 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:03:52" (1/1) ... [2018-01-31 10:03:52,213 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-31 10:03:52,214 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_$Pointer$.base, #memory_$Pointer$.offset] [2018-01-31 10:03:52,214 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-31 10:03:52,246 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 9 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-31 10:03:52,271 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-31 10:03:52,332 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-31 10:04:05,853 INFO L314 AbstractInterpreter]: Visited 30 different actions 30 times. Never merged. Never widened. Never found a fixpoint. Largest state had 46 variables. [2018-01-31 10:04:05,854 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-31 10:04:05,869 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_$Pointer$.offset] : 3 [2018-01-31 10:04:05,870 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_$Pointer$.base] : 3 [2018-01-31 10:04:05,870 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-31 10:04:05,870 INFO L242 apSepIcfgTransformer]: array groups: Set: [#memory_$Pointer$.offset] [#memory_$Pointer$.base] [2018-01-31 10:04:05,871 INFO L244 apSepIcfgTransformer]: select infos: Set: ((select |v_#memory_$Pointer$.base_4| |v_main_~#data~3.base_2|), at (SUMMARY for call write~$Pointer$(#t~malloc0.base, #t~malloc0.offset, ~#data~3.base, ~#data~3.offset + 0, 4); srcloc: L629)) ((select (select |v_#memory_$Pointer$.base_7| |v_main_~#data~3.base_8|) |v_main_~#data~3.offset_6|), at (SUMMARY for call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~#data~3.base, ~#data~3.offset + 0, 4); srcloc: L630)) ((select (select |v_#memory_$Pointer$.offset_7| |v_main_~#data~3.base_8|) |v_main_~#data~3.offset_6|), at (SUMMARY for call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~#data~3.base, ~#data~3.offset + 0, 4); srcloc: L630)) ((select |v_#memory_$Pointer$.offset_6| |v_main_~#data~3.base_5|), at (SUMMARY for call write~$Pointer$(~#data~3.base, ~#data~3.offset, ~#data~3.base, ~#data~3.offset + 0 + 6, 4); srcloc: L629')) ((select |v_#memory_$Pointer$.offset_4| |v_main_~#data~3.base_2|), at (SUMMARY for call write~$Pointer$(#t~malloc0.base, #t~malloc0.offset, ~#data~3.base, ~#data~3.offset + 0, 4); srcloc: L629)) ((select |v_#memory_$Pointer$.base_6| |v_main_~#data~3.base_5|), at (SUMMARY for call write~$Pointer$(~#data~3.base, ~#data~3.offset, ~#data~3.base, ~#data~3.offset + 0 + 6, 4); srcloc: L629')) [2018-01-31 10:04:05,878 INFO L547 PartitionManager]: partitioning result: [2018-01-31 10:04:05,879 INFO L552 PartitionManager]: location blocks for array group [#memory_$Pointer$.base] [2018-01-31 10:04:05,879 INFO L562 PartitionManager]: at dimension 0 [2018-01-31 10:04:05,879 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-01-31 10:04:05,879 INFO L564 PartitionManager]: # location blocks :2 [2018-01-31 10:04:05,879 INFO L562 PartitionManager]: at dimension 1 [2018-01-31 10:04:05,880 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-01-31 10:04:05,880 INFO L564 PartitionManager]: # location blocks :1 [2018-01-31 10:04:05,880 INFO L552 PartitionManager]: location blocks for array group [#memory_$Pointer$.offset] [2018-01-31 10:04:05,880 INFO L562 PartitionManager]: at dimension 0 [2018-01-31 10:04:05,880 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-01-31 10:04:05,881 INFO L564 PartitionManager]: # location blocks :2 [2018-01-31 10:04:05,881 INFO L562 PartitionManager]: at dimension 1 [2018-01-31 10:04:05,882 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-01-31 10:04:05,882 INFO L564 PartitionManager]: # location blocks :1 [2018-01-31 10:04:05,883 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-31 10:04:05,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 10:04:05 BasicIcfg [2018-01-31 10:04:05,901 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-31 10:04:05,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 10:04:05,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 10:04:05,906 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 10:04:05,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 10:03:51" (1/4) ... [2018-01-31 10:04:05,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441eb36a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:04:05, skipping insertion in model container [2018-01-31 10:04:05,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:03:51" (2/4) ... [2018-01-31 10:04:05,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441eb36a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:04:05, skipping insertion in model container [2018-01-31 10:04:05,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:03:52" (3/4) ... [2018-01-31 10:04:05,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441eb36a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:04:05, skipping insertion in model container [2018-01-31 10:04:05,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 10:04:05" (4/4) ... [2018-01-31 10:04:05,909 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-31 10:04:05,919 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 10:04:05,925 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-01-31 10:04:06,049 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 10:04:06,050 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 10:04:06,051 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 10:04:06,051 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 10:04:06,051 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 10:04:06,051 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 10:04:06,052 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 10:04:06,052 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 10:04:06,053 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 10:04:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-01-31 10:04:06,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-01-31 10:04:06,072 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 10:04:06,073 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-01-31 10:04:06,073 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-01-31 10:04:06,078 INFO L82 PathProgramCache]: Analyzing trace with hash 144290854, now seen corresponding path program 1 times [2018-01-31 10:04:06,080 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 10:04:06,080 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 10:04:06,126 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 10:04:06,126 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 10:04:06,126 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 10:04:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 10:04:06,171 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 10:04:06,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 10:04:06,319 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 10:04:06,319 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-31 10:04:06,321 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-31 10:04:06,331 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-31 10:04:06,332 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-31 10:04:06,334 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 4 states. [2018-01-31 10:04:06,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 10:04:06,441 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2018-01-31 10:04:06,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-31 10:04:06,443 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-01-31 10:04:06,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 10:04:06,451 INFO L225 Difference]: With dead ends: 29 [2018-01-31 10:04:06,451 INFO L226 Difference]: Without dead ends: 20 [2018-01-31 10:04:06,454 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-31 10:04:06,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-01-31 10:04:06,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-01-31 10:04:06,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-01-31 10:04:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2018-01-31 10:04:06,480 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 5 [2018-01-31 10:04:06,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 10:04:06,480 INFO L432 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2018-01-31 10:04:06,480 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-31 10:04:06,480 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-01-31 10:04:06,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-01-31 10:04:06,481 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 10:04:06,481 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 10:04:06,481 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-01-31 10:04:06,481 INFO L82 PathProgramCache]: Analyzing trace with hash -693404775, now seen corresponding path program 1 times [2018-01-31 10:04:06,482 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 10:04:06,482 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 10:04:06,483 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 10:04:06,483 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 10:04:06,483 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 10:04:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 10:04:06,503 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 10:04:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 10:04:06,664 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 10:04:06,664 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-31 10:04:06,666 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-31 10:04:06,666 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-31 10:04:06,666 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-31 10:04:06,666 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 5 states. [2018-01-31 10:04:06,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 10:04:06,930 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2018-01-31 10:04:06,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-31 10:04:06,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-01-31 10:04:06,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 10:04:06,932 INFO L225 Difference]: With dead ends: 20 [2018-01-31 10:04:06,932 INFO L226 Difference]: Without dead ends: 19 [2018-01-31 10:04:06,932 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-31 10:04:06,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-01-31 10:04:06,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-01-31 10:04:06,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-01-31 10:04:06,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-01-31 10:04:06,936 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 8 [2018-01-31 10:04:06,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 10:04:06,936 INFO L432 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-01-31 10:04:06,936 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-31 10:04:06,936 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-01-31 10:04:06,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-01-31 10:04:06,936 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 10:04:06,937 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 10:04:06,937 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-01-31 10:04:06,937 INFO L82 PathProgramCache]: Analyzing trace with hash -693404773, now seen corresponding path program 1 times [2018-01-31 10:04:06,937 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 10:04:06,937 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 10:04:06,938 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 10:04:06,938 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 10:04:06,939 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 10:04:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 10:04:06,951 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 10:04:07,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 10:04:07,062 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 10:04:07,063 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-31 10:04:07,063 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-31 10:04:07,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-31 10:04:07,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-31 10:04:07,064 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 5 states. [2018-01-31 10:04:07,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 10:04:07,219 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-01-31 10:04:07,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-31 10:04:07,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-01-31 10:04:07,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 10:04:07,220 INFO L225 Difference]: With dead ends: 19 [2018-01-31 10:04:07,220 INFO L226 Difference]: Without dead ends: 18 [2018-01-31 10:04:07,221 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-31 10:04:07,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-01-31 10:04:07,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-01-31 10:04:07,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-01-31 10:04:07,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-01-31 10:04:07,226 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 8 [2018-01-31 10:04:07,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 10:04:07,226 INFO L432 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-01-31 10:04:07,226 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-31 10:04:07,226 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-01-31 10:04:07,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-31 10:04:07,227 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 10:04:07,227 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 10:04:07,228 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-01-31 10:04:07,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1957115212, now seen corresponding path program 1 times [2018-01-31 10:04:07,228 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 10:04:07,228 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 10:04:07,229 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 10:04:07,229 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 10:04:07,229 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 10:04:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 10:04:07,248 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 10:04:07,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 10:04:07,621 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 10:04:07,621 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-31 10:04:07,621 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-31 10:04:07,622 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-31 10:04:07,622 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-01-31 10:04:07,622 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 8 states. [2018-01-31 10:04:08,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 10:04:08,126 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-01-31 10:04:08,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-31 10:04:08,126 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2018-01-31 10:04:08,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 10:04:08,126 INFO L225 Difference]: With dead ends: 18 [2018-01-31 10:04:08,127 INFO L226 Difference]: Without dead ends: 0 [2018-01-31 10:04:08,127 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-01-31 10:04:08,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-31 10:04:08,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-31 10:04:08,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-31 10:04:08,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-31 10:04:08,128 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-01-31 10:04:08,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 10:04:08,128 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-31 10:04:08,128 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-31 10:04:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-31 10:04:08,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-31 10:04:08,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-31 10:04:08,146 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 633) no Hoare annotation was computed. [2018-01-31 10:04:08,146 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 633) no Hoare annotation was computed. [2018-01-31 10:04:08,146 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 633) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 10:04:08,146 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 633) no Hoare annotation was computed. [2018-01-31 10:04:08,146 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 633) the Hoare annotation is: true [2018-01-31 10:04:08,146 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 633) no Hoare annotation was computed. [2018-01-31 10:04:08,147 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 633) the Hoare annotation is: true [2018-01-31 10:04:08,147 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 633) no Hoare annotation was computed. [2018-01-31 10:04:08,147 INFO L399 ceAbstractionStarter]: For program point mainErr1RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-31 10:04:08,147 INFO L399 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2018-01-31 10:04:08,147 INFO L399 ceAbstractionStarter]: For program point mainErr3RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-31 10:04:08,147 INFO L399 ceAbstractionStarter]: For program point mainErr8EnsuresViolation(lines 619 633) no Hoare annotation was computed. [2018-01-31 10:04:08,147 INFO L399 ceAbstractionStarter]: For program point mainErr6RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-31 10:04:08,147 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 619 633) no Hoare annotation was computed. [2018-01-31 10:04:08,147 INFO L399 ceAbstractionStarter]: For program point mainErr4RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-31 10:04:08,147 INFO L399 ceAbstractionStarter]: For program point L621''(lines 621 628) no Hoare annotation was computed. [2018-01-31 10:04:08,147 INFO L399 ceAbstractionStarter]: For program point L621(lines 621 628) no Hoare annotation was computed. [2018-01-31 10:04:08,147 INFO L399 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-31 10:04:08,147 INFO L399 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-31 10:04:08,148 INFO L399 ceAbstractionStarter]: For program point mainErr0RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-31 10:04:08,148 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 619 633) no Hoare annotation was computed. [2018-01-31 10:04:08,148 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 619 633) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 10:04:08,148 INFO L399 ceAbstractionStarter]: For program point mainErr7RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-31 10:04:08,148 INFO L399 ceAbstractionStarter]: For program point L629(line 629) no Hoare annotation was computed. [2018-01-31 10:04:08,148 INFO L399 ceAbstractionStarter]: For program point mainErr2RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-31 10:04:08,148 INFO L399 ceAbstractionStarter]: For program point mainErr5RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-31 10:04:08,148 INFO L399 ceAbstractionStarter]: For program point L621'(lines 621 628) no Hoare annotation was computed. [2018-01-31 10:04:08,148 INFO L399 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-31 10:04:08,148 INFO L399 ceAbstractionStarter]: For program point L629'(line 629) no Hoare annotation was computed. [2018-01-31 10:04:08,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:04:08 BasicIcfg [2018-01-31 10:04:08,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 10:04:08,151 INFO L168 Benchmark]: Toolchain (without parser) took 16715.65 ms. Allocated memory was 309.3 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 269.0 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 96.8 MB. Max. memory is 5.3 GB. [2018-01-31 10:04:08,152 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 10:04:08,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.22 ms. Allocated memory is still 309.3 MB. Free memory was 268.0 MB in the beginning and 258.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-31 10:04:08,152 INFO L168 Benchmark]: Boogie Preprocessor took 36.87 ms. Allocated memory is still 309.3 MB. Free memory was 258.0 MB in the beginning and 257.0 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. [2018-01-31 10:04:08,153 INFO L168 Benchmark]: RCFGBuilder took 445.40 ms. Allocated memory is still 309.3 MB. Free memory was 257.0 MB in the beginning and 242.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 5.3 GB. [2018-01-31 10:04:08,153 INFO L168 Benchmark]: IcfgTransformer took 13700.39 ms. Allocated memory was 309.3 MB in the beginning and 1.2 GB in the end (delta: 912.3 MB). Free memory was 242.8 MB in the beginning and 560.8 MB in the end (delta: -318.0 MB). Peak memory consumption was 594.2 MB. Max. memory is 5.3 GB. [2018-01-31 10:04:08,153 INFO L168 Benchmark]: TraceAbstraction took 2248.13 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 222.3 MB). Free memory was 560.8 MB in the beginning and 1.3 GB in the end (delta: -746.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 10:04:08,155 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 271.22 ms. Allocated memory is still 309.3 MB. Free memory was 268.0 MB in the beginning and 258.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.87 ms. Allocated memory is still 309.3 MB. Free memory was 258.0 MB in the beginning and 257.0 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. * RCFGBuilder took 445.40 ms. Allocated memory is still 309.3 MB. Free memory was 257.0 MB in the beginning and 242.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 5.3 GB. * IcfgTransformer took 13700.39 ms. Allocated memory was 309.3 MB in the beginning and 1.2 GB in the end (delta: 912.3 MB). Free memory was 242.8 MB in the beginning and 560.8 MB in the end (delta: -318.0 MB). Peak memory consumption was 594.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2248.13 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 222.3 MB). Free memory was 560.8 MB in the beginning and 1.3 GB in the end (delta: -746.0 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 25 LocStat_MAX_WEQGRAPH_SIZE : 6 LocStat_MAX_SIZEOF_WEQEDGELABEL : 5 LocStat_NO_SUPPORTING_EQUALITIES : 634 LocStat_NO_SUPPORTING_DISEQUALITIES : 423 LocStat_NO_DISJUNCTIONS : -50 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 36 TransStat_MAX_WEQGRAPH_SIZE : 4 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 125 TransStat_NO_SUPPORTING_DISEQUALITIES : 17 TransStat_NO_DISJUNCTIONS : 42 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 8.277339 RENAME_VARIABLES(MILLISECONDS) : 0.021936 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 7.689480 PROJECTAWAY(MILLISECONDS) : 0.007823 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.078165 DISJOIN(MILLISECONDS) : 14.907986 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.041985 ADD_EQUALITY(MILLISECONDS) : 0.062962 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.007665 #CONJOIN_DISJUNCTIVE : 53 #RENAME_VARIABLES : 88 #UNFREEZE : 0 #CONJOIN : 181 #PROJECTAWAY : 87 #ADD_WEAK_EQUALITY : 15 #DISJOIN : 9 #RENAME_VARIABLES_DISJUNCTIVE : 82 #ADD_EQUALITY : 118 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 10 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_$Pointer$.base] : 2 #COUNT_NEW_ARRAY_VARS_[#memory_$Pointer$.offset] : 2 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.offset]_at_dim_0 : 3 COUNT_BLOCKS_for_[#memory_$Pointer$.offset]_at_dim_0 : 2 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.offset]_at_dim_1 : 2 COUNT_BLOCKS_for_[#memory_$Pointer$.offset]_at_dim_1 : 1 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.base]_at_dim_0 : 3 COUNT_BLOCKS_for_[#memory_$Pointer$.base]_at_dim_0 : 2 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.base]_at_dim_1 : 2 COUNT_BLOCKS_for_[#memory_$Pointer$.base]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_$Pointer$.offset] : 3 COUNT_ARRAY_READS for [#memory_$Pointer$.base] : 3 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 29 locations, 9 error locations. SAFE Result, 2.2s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 54 SDtfs, 36 SDslu, 90 SDs, 0 SdLazy, 107 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 8 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 2874 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-31_10-04-08-167.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-31_10-04-08-167.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-31_10-04-08-167.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-31_10-04-08-167.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_10-04-08-167.csv Received shutdown request...