java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --traceabstraction.dump.automata.to.the.following.directory dump --rcfgbuilder.size.of.a.code.block SingleStatement --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/length_test03_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 14:49:48,824 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 14:49:48,827 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 14:49:48,845 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 14:49:48,845 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 14:49:48,846 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 14:49:48,847 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 14:49:48,849 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 14:49:48,851 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 14:49:48,851 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 14:49:48,852 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 14:49:48,853 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 14:49:48,853 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 14:49:48,854 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 14:49:48,856 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 14:49:48,861 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 14:49:48,861 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 14:49:48,869 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 14:49:48,871 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 14:49:48,875 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 14:49:48,877 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 14:49:48,879 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 14:49:48,885 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 14:49:48,885 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 14:49:48,885 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 14:49:48,886 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 14:49:48,890 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 14:49:48,891 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 14:49:48,892 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 14:49:48,896 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 14:49:48,896 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 14:49:48,897 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 14:49:48,897 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 14:49:48,897 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 14:49:48,900 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 14:49:48,900 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 14:49:48,902 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-10-10 14:49:48,925 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 14:49:48,925 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 14:49:48,926 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 14:49:48,926 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 14:49:48,927 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 14:49:48,927 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 14:49:48,927 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 14:49:48,927 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 14:49:48,928 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 14:49:48,928 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 14:49:48,928 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 14:49:48,928 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 14:49:48,928 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 14:49:48,928 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 14:49:48,929 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 14:49:48,929 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 14:49:48,929 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 14:49:48,929 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 14:49:48,929 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 14:49:48,930 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 14:49:48,930 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 14:49:48,930 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 14:49:48,930 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 14:49:48,930 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-10 14:49:48,931 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 14:49:48,931 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Dump automata to the following directory -> dump Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-10-10 14:49:48,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 14:49:48,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 14:49:49,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 14:49:49,002 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 14:49:49,003 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 14:49:49,003 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/length_test03_true-valid-memsafety.i [2018-10-10 14:49:49,336 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93f8e6fd7/3be97cac70ab4dec8618c4a44b7669ba/FLAG9099f9a7a [2018-10-10 14:49:49,608 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 14:49:49,608 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/memsafety-ext2/length_test03_true-valid-memsafety.i [2018-10-10 14:49:49,625 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93f8e6fd7/3be97cac70ab4dec8618c4a44b7669ba/FLAG9099f9a7a [2018-10-10 14:49:49,641 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93f8e6fd7/3be97cac70ab4dec8618c4a44b7669ba [2018-10-10 14:49:49,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 14:49:49,652 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 14:49:49,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 14:49:49,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 14:49:49,657 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 14:49:49,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:49:49" (1/1) ... [2018-10-10 14:49:49,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dd7489b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:49:49, skipping insertion in model container [2018-10-10 14:49:49,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:49:49" (1/1) ... [2018-10-10 14:49:49,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 14:49:49,730 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 14:49:50,049 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:49:50,064 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 14:49:50,161 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:49:50,240 INFO L193 MainTranslator]: Completed translation [2018-10-10 14:49:50,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:49:50 WrapperNode [2018-10-10 14:49:50,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 14:49:50,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 14:49:50,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 14:49:50,242 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 14:49:50,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:49:50" (1/1) ... [2018-10-10 14:49:50,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:49:50" (1/1) ... [2018-10-10 14:49:50,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 14:49:50,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 14:49:50,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 14:49:50,335 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 14:49:50,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:49:50" (1/1) ... [2018-10-10 14:49:50,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:49:50" (1/1) ... [2018-10-10 14:49:50,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:49:50" (1/1) ... [2018-10-10 14:49:50,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:49:50" (1/1) ... [2018-10-10 14:49:50,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:49:50" (1/1) ... [2018-10-10 14:49:50,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:49:50" (1/1) ... [2018-10-10 14:49:50,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:49:50" (1/1) ... [2018-10-10 14:49:50,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 14:49:50,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 14:49:50,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 14:49:50,521 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 14:49:50,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:49:50" (1/1) ... No working directory specified, using /storage/repos/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 [2018-10-10 14:49:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 14:49:50,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 14:49:53,148 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 14:49:53,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:49:53 BoogieIcfgContainer [2018-10-10 14:49:53,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 14:49:53,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 14:49:53,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 14:49:53,154 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 14:49:53,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 02:49:49" (1/3) ... [2018-10-10 14:49:53,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2962ac5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:49:53, skipping insertion in model container [2018-10-10 14:49:53,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:49:50" (2/3) ... [2018-10-10 14:49:53,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2962ac5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:49:53, skipping insertion in model container [2018-10-10 14:49:53,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:49:53" (3/3) ... [2018-10-10 14:49:53,158 INFO L112 eAbstractionObserver]: Analyzing ICFG length_test03_true-valid-memsafety.i [2018-10-10 14:49:53,168 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 14:49:53,177 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 81 error locations. [2018-10-10 14:49:53,195 INFO L257 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2018-10-10 14:49:53,223 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 14:49:53,224 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 14:49:53,225 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 14:49:53,225 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 14:49:53,225 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 14:49:53,226 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 14:49:53,226 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 14:49:53,226 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 14:49:53,227 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 14:49:53,264 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states. [2018-10-10 14:49:53,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-10 14:49:53,273 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:49:53,274 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:49:53,279 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:49:53,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:49:53,285 INFO L82 PathProgramCache]: Analyzing trace with hash -218556917, now seen corresponding path program 1 times [2018-10-10 14:49:53,287 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:49:53,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:49:53,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:49:53,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:49:53,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:49:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:49:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:49:53,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:49:53,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-10 14:49:53,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:49:53,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:49:53,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:49:53,717 INFO L87 Difference]: Start difference. First operand 621 states. Second operand 6 states. [2018-10-10 14:49:55,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:49:55,495 INFO L93 Difference]: Finished difference Result 707 states and 716 transitions. [2018-10-10 14:49:55,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:49:55,496 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-10-10 14:49:55,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:49:55,521 INFO L225 Difference]: With dead ends: 707 [2018-10-10 14:49:55,521 INFO L226 Difference]: Without dead ends: 702 [2018-10-10 14:49:55,523 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-10-10 14:49:55,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2018-10-10 14:49:55,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 614. [2018-10-10 14:49:55,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2018-10-10 14:49:55,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 621 transitions. [2018-10-10 14:49:55,617 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 621 transitions. Word has length 25 [2018-10-10 14:49:55,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:49:55,618 INFO L481 AbstractCegarLoop]: Abstraction has 614 states and 621 transitions. [2018-10-10 14:49:55,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:49:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 621 transitions. [2018-10-10 14:49:55,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-10 14:49:55,620 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:49:55,620 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:49:55,622 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:49:55,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:49:55,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1814670223, now seen corresponding path program 1 times [2018-10-10 14:49:55,624 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:49:55,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:49:55,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:49:55,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:49:55,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:49:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:49:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:49:55,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:49:55,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-10 14:49:55,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 14:49:55,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 14:49:55,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:49:55,806 INFO L87 Difference]: Start difference. First operand 614 states and 621 transitions. Second operand 8 states. [2018-10-10 14:49:57,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:49:57,096 INFO L93 Difference]: Finished difference Result 613 states and 620 transitions. [2018-10-10 14:49:57,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:49:57,097 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2018-10-10 14:49:57,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:49:57,103 INFO L225 Difference]: With dead ends: 613 [2018-10-10 14:49:57,103 INFO L226 Difference]: Without dead ends: 613 [2018-10-10 14:49:57,104 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-10-10 14:49:57,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2018-10-10 14:49:57,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 613. [2018-10-10 14:49:57,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2018-10-10 14:49:57,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 620 transitions. [2018-10-10 14:49:57,122 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 620 transitions. Word has length 26 [2018-10-10 14:49:57,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:49:57,123 INFO L481 AbstractCegarLoop]: Abstraction has 613 states and 620 transitions. [2018-10-10 14:49:57,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 14:49:57,123 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 620 transitions. [2018-10-10 14:49:57,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-10 14:49:57,124 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:49:57,125 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:49:57,127 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:49:57,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:49:57,127 INFO L82 PathProgramCache]: Analyzing trace with hash 144089557, now seen corresponding path program 1 times [2018-10-10 14:49:57,128 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:49:57,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:49:57,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:49:57,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:49:57,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:49:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:49:57,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:49:57,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:49:57,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-10 14:49:57,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 14:49:57,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 14:49:57,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:49:57,321 INFO L87 Difference]: Start difference. First operand 613 states and 620 transitions. Second operand 8 states. [2018-10-10 14:49:58,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:49:58,380 INFO L93 Difference]: Finished difference Result 612 states and 619 transitions. [2018-10-10 14:49:58,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:49:58,382 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-10-10 14:49:58,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:49:58,386 INFO L225 Difference]: With dead ends: 612 [2018-10-10 14:49:58,386 INFO L226 Difference]: Without dead ends: 612 [2018-10-10 14:49:58,387 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-10-10 14:49:58,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-10-10 14:49:58,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2018-10-10 14:49:58,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2018-10-10 14:49:58,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 619 transitions. [2018-10-10 14:49:58,400 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 619 transitions. Word has length 36 [2018-10-10 14:49:58,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:49:58,400 INFO L481 AbstractCegarLoop]: Abstraction has 612 states and 619 transitions. [2018-10-10 14:49:58,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 14:49:58,401 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 619 transitions. [2018-10-10 14:49:58,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-10 14:49:58,402 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:49:58,403 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:49:58,405 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:49:58,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:49:58,405 INFO L82 PathProgramCache]: Analyzing trace with hash -237692479, now seen corresponding path program 1 times [2018-10-10 14:49:58,406 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:49:58,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:49:58,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:49:58,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:49:58,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:49:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:49:58,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:49:58,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:49:58,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-10 14:49:58,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:49:58,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:49:58,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:49:58,519 INFO L87 Difference]: Start difference. First operand 612 states and 619 transitions. Second operand 6 states. [2018-10-10 14:49:59,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:49:59,638 INFO L93 Difference]: Finished difference Result 712 states and 721 transitions. [2018-10-10 14:49:59,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:49:59,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-10-10 14:49:59,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:49:59,643 INFO L225 Difference]: With dead ends: 712 [2018-10-10 14:49:59,644 INFO L226 Difference]: Without dead ends: 712 [2018-10-10 14:49:59,644 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-10-10 14:49:59,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2018-10-10 14:49:59,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 610. [2018-10-10 14:49:59,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2018-10-10 14:49:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 617 transitions. [2018-10-10 14:49:59,657 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 617 transitions. Word has length 58 [2018-10-10 14:49:59,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:49:59,658 INFO L481 AbstractCegarLoop]: Abstraction has 610 states and 617 transitions. [2018-10-10 14:49:59,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:49:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 617 transitions. [2018-10-10 14:49:59,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-10 14:49:59,659 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:49:59,659 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:49:59,662 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:49:59,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:49:59,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1221467838, now seen corresponding path program 1 times [2018-10-10 14:49:59,663 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:49:59,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:49:59,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:49:59,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:49:59,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:49:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:49:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:49:59,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:49:59,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-10 14:49:59,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 14:49:59,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 14:49:59,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:49:59,797 INFO L87 Difference]: Start difference. First operand 610 states and 617 transitions. Second operand 8 states. [2018-10-10 14:50:00,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:00,901 INFO L93 Difference]: Finished difference Result 623 states and 630 transitions. [2018-10-10 14:50:00,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:50:00,902 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2018-10-10 14:50:00,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:00,907 INFO L225 Difference]: With dead ends: 623 [2018-10-10 14:50:00,907 INFO L226 Difference]: Without dead ends: 623 [2018-10-10 14:50:00,907 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-10-10 14:50:00,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2018-10-10 14:50:00,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 609. [2018-10-10 14:50:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2018-10-10 14:50:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 616 transitions. [2018-10-10 14:50:00,917 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 616 transitions. Word has length 59 [2018-10-10 14:50:00,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:00,918 INFO L481 AbstractCegarLoop]: Abstraction has 609 states and 616 transitions. [2018-10-10 14:50:00,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 14:50:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 616 transitions. [2018-10-10 14:50:00,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-10 14:50:00,919 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:00,920 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:00,922 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:00,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:00,922 INFO L82 PathProgramCache]: Analyzing trace with hash 555068772, now seen corresponding path program 1 times [2018-10-10 14:50:00,923 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:00,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:00,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:00,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:00,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:01,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:01,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:50:01,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-10 14:50:01,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 14:50:01,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 14:50:01,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:50:01,127 INFO L87 Difference]: Start difference. First operand 609 states and 616 transitions. Second operand 8 states. [2018-10-10 14:50:01,669 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-10-10 14:50:02,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:02,885 INFO L93 Difference]: Finished difference Result 622 states and 629 transitions. [2018-10-10 14:50:02,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:50:02,885 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2018-10-10 14:50:02,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:02,889 INFO L225 Difference]: With dead ends: 622 [2018-10-10 14:50:02,890 INFO L226 Difference]: Without dead ends: 622 [2018-10-10 14:50:02,890 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-10-10 14:50:02,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2018-10-10 14:50:02,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 608. [2018-10-10 14:50:02,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2018-10-10 14:50:02,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 615 transitions. [2018-10-10 14:50:02,900 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 615 transitions. Word has length 69 [2018-10-10 14:50:02,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:02,901 INFO L481 AbstractCegarLoop]: Abstraction has 608 states and 615 transitions. [2018-10-10 14:50:02,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 14:50:02,901 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 615 transitions. [2018-10-10 14:50:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-10 14:50:02,903 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:02,903 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:02,905 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:02,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:02,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1805027925, now seen corresponding path program 1 times [2018-10-10 14:50:02,906 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:02,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:02,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:02,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:02,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:03,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:50:03,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-10 14:50:03,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:50:03,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:50:03,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:50:03,015 INFO L87 Difference]: Start difference. First operand 608 states and 615 transitions. Second operand 6 states. [2018-10-10 14:50:03,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:03,736 INFO L93 Difference]: Finished difference Result 708 states and 717 transitions. [2018-10-10 14:50:03,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:50:03,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2018-10-10 14:50:03,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:03,741 INFO L225 Difference]: With dead ends: 708 [2018-10-10 14:50:03,741 INFO L226 Difference]: Without dead ends: 708 [2018-10-10 14:50:03,742 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-10 14:50:03,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2018-10-10 14:50:03,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 606. [2018-10-10 14:50:03,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2018-10-10 14:50:03,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 613 transitions. [2018-10-10 14:50:03,752 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 613 transitions. Word has length 101 [2018-10-10 14:50:03,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:03,753 INFO L481 AbstractCegarLoop]: Abstraction has 606 states and 613 transitions. [2018-10-10 14:50:03,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:50:03,753 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 613 transitions. [2018-10-10 14:50:03,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-10 14:50:03,754 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:03,754 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:03,756 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:03,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:03,757 INFO L82 PathProgramCache]: Analyzing trace with hash 121290972, now seen corresponding path program 1 times [2018-10-10 14:50:03,757 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:03,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:03,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:03,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:03,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:04,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:04,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:50:04,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-10 14:50:04,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 14:50:04,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 14:50:04,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:50:04,034 INFO L87 Difference]: Start difference. First operand 606 states and 613 transitions. Second operand 8 states. [2018-10-10 14:50:04,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:04,564 INFO L93 Difference]: Finished difference Result 618 states and 625 transitions. [2018-10-10 14:50:04,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-10 14:50:04,565 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2018-10-10 14:50:04,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:04,569 INFO L225 Difference]: With dead ends: 618 [2018-10-10 14:50:04,570 INFO L226 Difference]: Without dead ends: 618 [2018-10-10 14:50:04,570 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2018-10-10 14:50:04,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2018-10-10 14:50:04,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 604. [2018-10-10 14:50:04,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2018-10-10 14:50:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 611 transitions. [2018-10-10 14:50:04,580 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 611 transitions. Word has length 102 [2018-10-10 14:50:04,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:04,581 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 611 transitions. [2018-10-10 14:50:04,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 14:50:04,581 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 611 transitions. [2018-10-10 14:50:04,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-10 14:50:04,583 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:04,583 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:04,584 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:04,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:04,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1896798751, now seen corresponding path program 1 times [2018-10-10 14:50:04,585 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:04,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:04,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:04,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:04,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:05,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:05,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:50:05,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-10 14:50:05,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-10 14:50:05,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-10 14:50:05,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-10-10 14:50:05,263 INFO L87 Difference]: Start difference. First operand 604 states and 611 transitions. Second operand 12 states. [2018-10-10 14:50:07,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:07,128 INFO L93 Difference]: Finished difference Result 966 states and 981 transitions. [2018-10-10 14:50:07,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-10-10 14:50:07,129 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 110 [2018-10-10 14:50:07,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:07,133 INFO L225 Difference]: With dead ends: 966 [2018-10-10 14:50:07,134 INFO L226 Difference]: Without dead ends: 966 [2018-10-10 14:50:07,135 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=237, Invalid=819, Unknown=0, NotChecked=0, Total=1056 [2018-10-10 14:50:07,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2018-10-10 14:50:07,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 599. [2018-10-10 14:50:07,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2018-10-10 14:50:07,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 606 transitions. [2018-10-10 14:50:07,146 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 606 transitions. Word has length 110 [2018-10-10 14:50:07,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:07,147 INFO L481 AbstractCegarLoop]: Abstraction has 599 states and 606 transitions. [2018-10-10 14:50:07,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-10 14:50:07,147 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 606 transitions. [2018-10-10 14:50:07,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-10 14:50:07,148 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:07,149 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:07,150 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:07,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:07,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1328781019, now seen corresponding path program 1 times [2018-10-10 14:50:07,151 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:07,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:07,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:07,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:07,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:07,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:07,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:50:07,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-10-10 14:50:07,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-10 14:50:07,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-10 14:50:07,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2018-10-10 14:50:07,756 INFO L87 Difference]: Start difference. First operand 599 states and 606 transitions. Second operand 17 states. [2018-10-10 14:50:11,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:11,307 INFO L93 Difference]: Finished difference Result 1216 states and 1235 transitions. [2018-10-10 14:50:11,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-10-10 14:50:11,308 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 111 [2018-10-10 14:50:11,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:11,313 INFO L225 Difference]: With dead ends: 1216 [2018-10-10 14:50:11,313 INFO L226 Difference]: Without dead ends: 1216 [2018-10-10 14:50:11,314 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=272, Invalid=1210, Unknown=0, NotChecked=0, Total=1482 [2018-10-10 14:50:11,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2018-10-10 14:50:11,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 635. [2018-10-10 14:50:11,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2018-10-10 14:50:11,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 642 transitions. [2018-10-10 14:50:11,328 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 642 transitions. Word has length 111 [2018-10-10 14:50:11,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:11,328 INFO L481 AbstractCegarLoop]: Abstraction has 635 states and 642 transitions. [2018-10-10 14:50:11,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-10 14:50:11,328 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 642 transitions. [2018-10-10 14:50:11,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-10 14:50:11,330 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:11,330 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:11,330 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:11,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:11,331 INFO L82 PathProgramCache]: Analyzing trace with hash -637870140, now seen corresponding path program 1 times [2018-10-10 14:50:11,331 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:11,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:11,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:11,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:11,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:12,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:12,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:50:12,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-10-10 14:50:12,427 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-10 14:50:12,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-10 14:50:12,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2018-10-10 14:50:12,428 INFO L87 Difference]: Start difference. First operand 635 states and 642 transitions. Second operand 19 states. [2018-10-10 14:50:12,730 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-10 14:50:13,167 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-10 14:50:16,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:16,603 INFO L93 Difference]: Finished difference Result 1213 states and 1232 transitions. [2018-10-10 14:50:16,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-10-10 14:50:16,607 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 123 [2018-10-10 14:50:16,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:16,612 INFO L225 Difference]: With dead ends: 1213 [2018-10-10 14:50:16,612 INFO L226 Difference]: Without dead ends: 1213 [2018-10-10 14:50:16,613 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=314, Invalid=1492, Unknown=0, NotChecked=0, Total=1806 [2018-10-10 14:50:16,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2018-10-10 14:50:16,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 693. [2018-10-10 14:50:16,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2018-10-10 14:50:16,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 706 transitions. [2018-10-10 14:50:16,629 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 706 transitions. Word has length 123 [2018-10-10 14:50:16,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:16,630 INFO L481 AbstractCegarLoop]: Abstraction has 693 states and 706 transitions. [2018-10-10 14:50:16,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-10 14:50:16,630 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 706 transitions. [2018-10-10 14:50:16,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-10 14:50:16,631 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:16,632 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:16,632 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:16,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:16,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1921111797, now seen corresponding path program 1 times [2018-10-10 14:50:16,633 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:16,633 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:16,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:16,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:16,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:16,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:50:16,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 14:50:16,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-10 14:50:16,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-10 14:50:16,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 14:50:16,736 INFO L87 Difference]: Start difference. First operand 693 states and 706 transitions. Second operand 3 states. [2018-10-10 14:50:16,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:16,991 INFO L93 Difference]: Finished difference Result 696 states and 709 transitions. [2018-10-10 14:50:16,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-10 14:50:16,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2018-10-10 14:50:16,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:16,994 INFO L225 Difference]: With dead ends: 696 [2018-10-10 14:50:16,995 INFO L226 Difference]: Without dead ends: 696 [2018-10-10 14:50:16,995 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 14:50:16,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2018-10-10 14:50:17,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 696. [2018-10-10 14:50:17,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2018-10-10 14:50:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 709 transitions. [2018-10-10 14:50:17,010 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 709 transitions. Word has length 127 [2018-10-10 14:50:17,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:17,010 INFO L481 AbstractCegarLoop]: Abstraction has 696 states and 709 transitions. [2018-10-10 14:50:17,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-10 14:50:17,011 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 709 transitions. [2018-10-10 14:50:17,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-10 14:50:17,012 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:17,013 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:17,013 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:17,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:17,014 INFO L82 PathProgramCache]: Analyzing trace with hash 2047807067, now seen corresponding path program 1 times [2018-10-10 14:50:17,014 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:17,015 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:17,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:17,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:17,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:17,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:17,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:50:17,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-10 14:50:17,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:50:17,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:50:17,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:50:17,442 INFO L87 Difference]: Start difference. First operand 696 states and 709 transitions. Second operand 6 states. [2018-10-10 14:50:18,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:18,358 INFO L93 Difference]: Finished difference Result 776 states and 789 transitions. [2018-10-10 14:50:18,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:50:18,359 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-10-10 14:50:18,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:18,362 INFO L225 Difference]: With dead ends: 776 [2018-10-10 14:50:18,362 INFO L226 Difference]: Without dead ends: 776 [2018-10-10 14:50:18,363 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-10 14:50:18,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2018-10-10 14:50:18,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 688. [2018-10-10 14:50:18,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2018-10-10 14:50:18,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 699 transitions. [2018-10-10 14:50:18,377 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 699 transitions. Word has length 137 [2018-10-10 14:50:18,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:18,377 INFO L481 AbstractCegarLoop]: Abstraction has 688 states and 699 transitions. [2018-10-10 14:50:18,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:50:18,377 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 699 transitions. [2018-10-10 14:50:18,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-10 14:50:18,379 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:18,379 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:18,381 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:18,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:18,381 INFO L82 PathProgramCache]: Analyzing trace with hash -942490103, now seen corresponding path program 1 times [2018-10-10 14:50:18,381 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:18,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:18,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:18,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:18,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:18,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:18,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:50:18,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-10 14:50:18,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 14:50:18,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 14:50:18,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:50:18,847 INFO L87 Difference]: Start difference. First operand 688 states and 699 transitions. Second operand 8 states. [2018-10-10 14:50:19,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:19,371 INFO L93 Difference]: Finished difference Result 684 states and 694 transitions. [2018-10-10 14:50:19,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:50:19,372 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2018-10-10 14:50:19,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:19,376 INFO L225 Difference]: With dead ends: 684 [2018-10-10 14:50:19,377 INFO L226 Difference]: Without dead ends: 684 [2018-10-10 14:50:19,377 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-10-10 14:50:19,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2018-10-10 14:50:19,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 684. [2018-10-10 14:50:19,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2018-10-10 14:50:19,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 694 transitions. [2018-10-10 14:50:19,387 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 694 transitions. Word has length 138 [2018-10-10 14:50:19,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:19,388 INFO L481 AbstractCegarLoop]: Abstraction has 684 states and 694 transitions. [2018-10-10 14:50:19,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 14:50:19,388 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 694 transitions. [2018-10-10 14:50:19,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-10 14:50:19,390 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:19,390 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:19,390 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:19,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:19,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1313389681, now seen corresponding path program 1 times [2018-10-10 14:50:19,391 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:19,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:19,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:19,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:19,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:19,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:19,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:50:19,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-10 14:50:19,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:50:19,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:50:19,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:50:19,557 INFO L87 Difference]: Start difference. First operand 684 states and 694 transitions. Second operand 6 states. [2018-10-10 14:50:20,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:20,043 INFO L93 Difference]: Finished difference Result 763 states and 775 transitions. [2018-10-10 14:50:20,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-10 14:50:20,043 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-10-10 14:50:20,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:20,047 INFO L225 Difference]: With dead ends: 763 [2018-10-10 14:50:20,047 INFO L226 Difference]: Without dead ends: 763 [2018-10-10 14:50:20,048 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:50:20,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2018-10-10 14:50:20,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 675. [2018-10-10 14:50:20,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2018-10-10 14:50:20,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 685 transitions. [2018-10-10 14:50:20,059 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 685 transitions. Word has length 138 [2018-10-10 14:50:20,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:20,059 INFO L481 AbstractCegarLoop]: Abstraction has 675 states and 685 transitions. [2018-10-10 14:50:20,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:50:20,059 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 685 transitions. [2018-10-10 14:50:20,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-10 14:50:20,061 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:20,061 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:20,061 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:20,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:20,062 INFO L82 PathProgramCache]: Analyzing trace with hash 2060374642, now seen corresponding path program 1 times [2018-10-10 14:50:20,062 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:20,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:20,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:20,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:20,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:20,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:50:20,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-10 14:50:20,336 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-10 14:50:20,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-10 14:50:20,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-10 14:50:20,337 INFO L87 Difference]: Start difference. First operand 675 states and 685 transitions. Second operand 11 states. [2018-10-10 14:50:21,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:21,401 INFO L93 Difference]: Finished difference Result 834 states and 846 transitions. [2018-10-10 14:50:21,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-10 14:50:21,401 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2018-10-10 14:50:21,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:21,405 INFO L225 Difference]: With dead ends: 834 [2018-10-10 14:50:21,405 INFO L226 Difference]: Without dead ends: 834 [2018-10-10 14:50:21,406 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=316, Unknown=0, NotChecked=0, Total=462 [2018-10-10 14:50:21,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2018-10-10 14:50:21,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 673. [2018-10-10 14:50:21,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-10-10 14:50:21,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 683 transitions. [2018-10-10 14:50:21,417 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 683 transitions. Word has length 139 [2018-10-10 14:50:21,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:21,418 INFO L481 AbstractCegarLoop]: Abstraction has 673 states and 683 transitions. [2018-10-10 14:50:21,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-10 14:50:21,418 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 683 transitions. [2018-10-10 14:50:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-10 14:50:21,419 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:21,420 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:21,420 INFO L424 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:21,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:21,420 INFO L82 PathProgramCache]: Analyzing trace with hash 2033089794, now seen corresponding path program 1 times [2018-10-10 14:50:21,421 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:21,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:21,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:21,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:21,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:21,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:50:21,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-10 14:50:21,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 14:50:21,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 14:50:21,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:50:21,580 INFO L87 Difference]: Start difference. First operand 673 states and 683 transitions. Second operand 8 states. [2018-10-10 14:50:22,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:22,144 INFO L93 Difference]: Finished difference Result 848 states and 860 transitions. [2018-10-10 14:50:22,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-10 14:50:22,144 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 149 [2018-10-10 14:50:22,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:22,148 INFO L225 Difference]: With dead ends: 848 [2018-10-10 14:50:22,148 INFO L226 Difference]: Without dead ends: 848 [2018-10-10 14:50:22,149 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2018-10-10 14:50:22,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2018-10-10 14:50:22,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 669. [2018-10-10 14:50:22,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-10-10 14:50:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 678 transitions. [2018-10-10 14:50:22,158 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 678 transitions. Word has length 149 [2018-10-10 14:50:22,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:22,159 INFO L481 AbstractCegarLoop]: Abstraction has 669 states and 678 transitions. [2018-10-10 14:50:22,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 14:50:22,159 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 678 transitions. [2018-10-10 14:50:22,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-10 14:50:22,160 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:22,160 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:22,161 INFO L424 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:22,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:22,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1299886440, now seen corresponding path program 1 times [2018-10-10 14:50:22,161 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:22,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:22,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:22,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:22,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:22,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:22,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:50:22,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-10 14:50:22,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-10 14:50:22,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-10 14:50:22,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-10 14:50:22,358 INFO L87 Difference]: Start difference. First operand 669 states and 678 transitions. Second operand 11 states. [2018-10-10 14:50:23,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:23,390 INFO L93 Difference]: Finished difference Result 1003 states and 1017 transitions. [2018-10-10 14:50:23,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-10 14:50:23,391 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 149 [2018-10-10 14:50:23,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:23,396 INFO L225 Difference]: With dead ends: 1003 [2018-10-10 14:50:23,396 INFO L226 Difference]: Without dead ends: 1003 [2018-10-10 14:50:23,397 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=247, Invalid=565, Unknown=0, NotChecked=0, Total=812 [2018-10-10 14:50:23,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2018-10-10 14:50:23,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 667. [2018-10-10 14:50:23,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2018-10-10 14:50:23,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 676 transitions. [2018-10-10 14:50:23,407 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 676 transitions. Word has length 149 [2018-10-10 14:50:23,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:23,408 INFO L481 AbstractCegarLoop]: Abstraction has 667 states and 676 transitions. [2018-10-10 14:50:23,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-10 14:50:23,408 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 676 transitions. [2018-10-10 14:50:23,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-10 14:50:23,409 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:23,410 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:23,410 INFO L424 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:23,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:23,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1745977819, now seen corresponding path program 1 times [2018-10-10 14:50:23,411 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:23,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:23,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:23,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:23,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:24,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:24,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:50:24,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2018-10-10 14:50:24,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-10 14:50:24,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-10 14:50:24,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2018-10-10 14:50:24,347 INFO L87 Difference]: Start difference. First operand 667 states and 676 transitions. Second operand 25 states. [2018-10-10 14:50:28,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:28,894 INFO L93 Difference]: Finished difference Result 768 states and 778 transitions. [2018-10-10 14:50:28,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-10-10 14:50:28,894 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 168 [2018-10-10 14:50:28,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:28,898 INFO L225 Difference]: With dead ends: 768 [2018-10-10 14:50:28,898 INFO L226 Difference]: Without dead ends: 768 [2018-10-10 14:50:28,899 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=503, Invalid=2689, Unknown=0, NotChecked=0, Total=3192 [2018-10-10 14:50:28,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2018-10-10 14:50:28,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 666. [2018-10-10 14:50:28,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2018-10-10 14:50:28,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 674 transitions. [2018-10-10 14:50:28,908 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 674 transitions. Word has length 168 [2018-10-10 14:50:28,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:28,908 INFO L481 AbstractCegarLoop]: Abstraction has 666 states and 674 transitions. [2018-10-10 14:50:28,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-10 14:50:28,908 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 674 transitions. [2018-10-10 14:50:28,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-10 14:50:28,910 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:28,910 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:28,911 INFO L424 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:28,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:28,911 INFO L82 PathProgramCache]: Analyzing trace with hash 546699231, now seen corresponding path program 1 times [2018-10-10 14:50:28,911 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:28,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:28,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:28,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:28,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:29,503 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 9 [2018-10-10 14:50:29,745 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2018-10-10 14:50:30,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:30,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:50:30,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2018-10-10 14:50:30,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-10 14:50:30,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-10 14:50:30,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2018-10-10 14:50:30,292 INFO L87 Difference]: Start difference. First operand 666 states and 674 transitions. Second operand 23 states. [2018-10-10 14:50:33,257 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-10-10 14:50:35,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:35,396 INFO L93 Difference]: Finished difference Result 911 states and 924 transitions. [2018-10-10 14:50:35,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-10-10 14:50:35,396 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 179 [2018-10-10 14:50:35,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:35,401 INFO L225 Difference]: With dead ends: 911 [2018-10-10 14:50:35,401 INFO L226 Difference]: Without dead ends: 911 [2018-10-10 14:50:35,402 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=665, Invalid=2527, Unknown=0, NotChecked=0, Total=3192 [2018-10-10 14:50:35,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2018-10-10 14:50:35,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 628. [2018-10-10 14:50:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2018-10-10 14:50:35,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 635 transitions. [2018-10-10 14:50:35,410 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 635 transitions. Word has length 179 [2018-10-10 14:50:35,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:35,410 INFO L481 AbstractCegarLoop]: Abstraction has 628 states and 635 transitions. [2018-10-10 14:50:35,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-10-10 14:50:35,411 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 635 transitions. [2018-10-10 14:50:35,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-10 14:50:35,412 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:35,413 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:35,413 INFO L424 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:35,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:35,414 INFO L82 PathProgramCache]: Analyzing trace with hash 149385416, now seen corresponding path program 1 times [2018-10-10 14:50:35,414 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:35,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:35,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:35,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:35,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:35,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:35,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:50:35,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 14:50:35,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-10 14:50:35,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-10 14:50:35,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 14:50:35,529 INFO L87 Difference]: Start difference. First operand 628 states and 635 transitions. Second operand 3 states. [2018-10-10 14:50:35,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:50:35,597 INFO L93 Difference]: Finished difference Result 836 states and 845 transitions. [2018-10-10 14:50:35,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-10 14:50:35,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2018-10-10 14:50:35,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:50:35,601 INFO L225 Difference]: With dead ends: 836 [2018-10-10 14:50:35,601 INFO L226 Difference]: Without dead ends: 836 [2018-10-10 14:50:35,601 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 14:50:35,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2018-10-10 14:50:35,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 632. [2018-10-10 14:50:35,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2018-10-10 14:50:35,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 639 transitions. [2018-10-10 14:50:35,609 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 639 transitions. Word has length 187 [2018-10-10 14:50:35,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:50:35,609 INFO L481 AbstractCegarLoop]: Abstraction has 632 states and 639 transitions. [2018-10-10 14:50:35,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-10 14:50:35,609 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 639 transitions. [2018-10-10 14:50:35,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-10 14:50:35,610 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:50:35,611 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:50:35,611 INFO L424 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:50:35,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:50:35,611 INFO L82 PathProgramCache]: Analyzing trace with hash 838278781, now seen corresponding path program 1 times [2018-10-10 14:50:35,612 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:50:35,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:50:35,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:35,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:35,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:50:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:36,331 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-10 14:50:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:36,632 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:50:36,632 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:50:36,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:50:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:50:36,765 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:50:37,880 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:50:37,891 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:50:37,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-10-10 14:50:37,898 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:50:37,906 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:50:37,907 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2018-10-10 14:50:37,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-10 14:50:37,989 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:50:37,994 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:50:37,995 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:11 [2018-10-10 14:50:38,146 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:50:38,168 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:50:38,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 35 [2018-10-10 14:50:38,221 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: cannot bring into simultaneous update form ULTIMATE.start_append_#t~short5's outvar occurs in several conjuncts [(let ((.cse1 (= |v_ULTIMATE.start_append_#t~mem3.base_3| 0)) (.cse0 (= |v_ULTIMATE.start_append_#t~mem3.offset_3| 0))) (or (and |v_ULTIMATE.start_append_#t~short5_2| .cse0 .cse1) (and (or (not .cse1) (not .cse0)) (not |v_ULTIMATE.start_append_#t~short5_2|))))] at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.transitions.SimultaneousUpdate.(SimultaneousUpdate.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.addStatementsAndVariables(PathProgramDumper.java:634) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.constructTransitionStatements(PathProgramDumper.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.processTransition(PathProgramDumper.java:521) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.constructProcedureStatements(PathProgramDumper.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.constructNewImplementation(PathProgramDumper.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.(PathProgramDumper.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumpController.doDump(PathProgramDumpController.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumpController.reportPathProgram(PathProgramDumpController.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-10 14:50:38,225 INFO L168 Benchmark]: Toolchain (without parser) took 48573.93 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -198.4 MB). Peak memory consumption was 948.2 MB. Max. memory is 7.1 GB. [2018-10-10 14:50:38,226 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 14:50:38,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-10 14:50:38,228 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.04 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 14:50:38,228 INFO L168 Benchmark]: Boogie Preprocessor took 185.17 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 727.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -800.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2018-10-10 14:50:38,229 INFO L168 Benchmark]: RCFGBuilder took 2629.41 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 119.3 MB). Peak memory consumption was 119.3 MB. Max. memory is 7.1 GB. [2018-10-10 14:50:38,230 INFO L168 Benchmark]: TraceAbstraction took 45073.49 ms. Allocated memory was 2.2 GB in the beginning and 2.7 GB in the end (delta: 419.4 MB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 461.6 MB). Peak memory consumption was 881.0 MB. Max. memory is 7.1 GB. [2018-10-10 14:50:38,234 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 588.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 93.04 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 185.17 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 727.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -800.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2629.41 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 119.3 MB). Peak memory consumption was 119.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 45073.49 ms. Allocated memory was 2.2 GB in the beginning and 2.7 GB in the end (delta: 419.4 MB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 461.6 MB). Peak memory consumption was 881.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: cannot bring into simultaneous update form ULTIMATE.start_append_#t~short5's outvar occurs in several conjuncts [(let ((.cse1 (= |v_ULTIMATE.start_append_#t~mem3.base_3| 0)) (.cse0 (= |v_ULTIMATE.start_append_#t~mem3.offset_3| 0))) (or (and |v_ULTIMATE.start_append_#t~short5_2| .cse0 .cse1) (and (or (not .cse1) (not .cse0)) (not |v_ULTIMATE.start_append_#t~short5_2|))))] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: cannot bring into simultaneous update form ULTIMATE.start_append_#t~short5's outvar occurs in several conjuncts [(let ((.cse1 (= |v_ULTIMATE.start_append_#t~mem3.base_3| 0)) (.cse0 (= |v_ULTIMATE.start_append_#t~mem3.offset_3| 0))) (or (and |v_ULTIMATE.start_append_#t~short5_2| .cse0 .cse1) (and (or (not .cse1) (not .cse0)) (not |v_ULTIMATE.start_append_#t~short5_2|))))]: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.transitions.SimultaneousUpdate.(SimultaneousUpdate.java:107) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...