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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/StructInitialization1_true-valid-memsafety.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 11:25:02,039 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 11:25:02,041 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 11:25:02,053 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 11:25:02,053 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 11:25:02,054 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 11:25:02,056 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 11:25:02,057 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 11:25:02,059 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 11:25:02,060 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 11:25:02,061 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 11:25:02,061 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 11:25:02,062 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 11:25:02,063 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 11:25:02,065 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 11:25:02,065 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 11:25:02,066 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 11:25:02,068 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 11:25:02,070 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 11:25:02,072 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 11:25:02,073 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 11:25:02,074 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 11:25:02,077 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 11:25:02,077 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 11:25:02,078 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 11:25:02,079 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 11:25:02,080 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 11:25:02,081 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 11:25:02,081 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 11:25:02,083 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 11:25:02,083 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 11:25:02,084 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 11:25:02,084 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 11:25:02,084 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 11:25:02,085 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 11:25:02,086 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 11:25:02,086 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 11:25:02,102 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 11:25:02,102 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 11:25:02,104 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 11:25:02,104 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 11:25:02,104 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 11:25:02,104 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 11:25:02,105 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 11:25:02,105 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 11:25:02,105 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 11:25:02,105 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 11:25:02,105 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 11:25:02,106 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 11:25:02,106 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 11:25:02,106 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 11:25:02,106 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 11:25:02,106 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 11:25:02,107 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 11:25:02,107 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 11:25:02,107 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 11:25:02,108 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 11:25:02,108 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 11:25:02,108 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 11:25:02,108 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 11:25:02,108 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-10 11:25:02,109 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 11:25:02,109 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 [2018-10-10 11:25:02,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 11:25:02,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 11:25:02,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 11:25:02,196 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 11:25:02,197 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 11:25:02,198 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/StructInitialization1_true-valid-memsafety.c [2018-10-10 11:25:02,499 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ec56435d/0c5f46ff7c8347fbbb7d5292fcede816/FLAGb972429af [2018-10-10 11:25:02,749 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 11:25:02,750 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-memsafety/StructInitialization1_true-valid-memsafety.c [2018-10-10 11:25:02,760 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ec56435d/0c5f46ff7c8347fbbb7d5292fcede816/FLAGb972429af [2018-10-10 11:25:02,785 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ec56435d/0c5f46ff7c8347fbbb7d5292fcede816 [2018-10-10 11:25:02,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 11:25:02,797 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 11:25:02,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 11:25:02,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 11:25:02,802 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 11:25:02,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 11:25:02" (1/1) ... [2018-10-10 11:25:02,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1c041f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:02, skipping insertion in model container [2018-10-10 11:25:02,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 11:25:02" (1/1) ... [2018-10-10 11:25:02,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 11:25:02,841 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 11:25:03,034 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 11:25:03,075 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 11:25:03,116 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 11:25:03,160 INFO L193 MainTranslator]: Completed translation [2018-10-10 11:25:03,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:03 WrapperNode [2018-10-10 11:25:03,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 11:25:03,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 11:25:03,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 11:25:03,162 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 11:25:03,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:03" (1/1) ... [2018-10-10 11:25:03,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:03" (1/1) ... [2018-10-10 11:25:03,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 11:25:03,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 11:25:03,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 11:25:03,266 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 11:25:03,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:03" (1/1) ... [2018-10-10 11:25:03,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:03" (1/1) ... [2018-10-10 11:25:03,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:03" (1/1) ... [2018-10-10 11:25:03,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:03" (1/1) ... [2018-10-10 11:25:03,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:03" (1/1) ... [2018-10-10 11:25:03,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:03" (1/1) ... [2018-10-10 11:25:03,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:03" (1/1) ... [2018-10-10 11:25:03,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 11:25:03,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 11:25:03,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 11:25:03,389 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 11:25:03,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:03" (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 11:25:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 11:25:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 11:25:05,966 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 11:25:05,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 11:25:05 BoogieIcfgContainer [2018-10-10 11:25:05,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 11:25:05,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 11:25:05,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 11:25:05,972 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 11:25:05,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 11:25:02" (1/3) ... [2018-10-10 11:25:05,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a4f2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 11:25:05, skipping insertion in model container [2018-10-10 11:25:05,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:03" (2/3) ... [2018-10-10 11:25:05,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a4f2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 11:25:05, skipping insertion in model container [2018-10-10 11:25:05,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 11:25:05" (3/3) ... [2018-10-10 11:25:05,976 INFO L112 eAbstractionObserver]: Analyzing ICFG StructInitialization1_true-valid-memsafety.c [2018-10-10 11:25:05,987 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 11:25:05,997 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 89 error locations. [2018-10-10 11:25:06,015 INFO L257 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2018-10-10 11:25:06,053 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 11:25:06,054 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 11:25:06,054 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 11:25:06,054 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 11:25:06,054 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 11:25:06,056 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 11:25:06,056 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 11:25:06,056 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 11:25:06,057 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 11:25:06,091 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-10-10 11:25:06,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-10 11:25:06,099 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:06,100 INFO L375 BasicCegarLoop]: trace histogram [1, 1] [2018-10-10 11:25:06,105 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:06,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:06,112 INFO L82 PathProgramCache]: Analyzing trace with hash 962, now seen corresponding path program 1 times [2018-10-10 11:25:06,113 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:06,114 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:06,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:06,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:06,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:06,362 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 11:25:06,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:06,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-10-10 11:25:06,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-10 11:25:06,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-10 11:25:06,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 11:25:06,385 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 3 states. [2018-10-10 11:25:07,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:07,307 INFO L93 Difference]: Finished difference Result 181 states and 180 transitions. [2018-10-10 11:25:07,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-10 11:25:07,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-10-10 11:25:07,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:07,340 INFO L225 Difference]: With dead ends: 181 [2018-10-10 11:25:07,340 INFO L226 Difference]: Without dead ends: 179 [2018-10-10 11:25:07,344 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 11:25:07,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-10-10 11:25:07,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-10-10 11:25:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-10-10 11:25:07,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 178 transitions. [2018-10-10 11:25:07,402 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 178 transitions. Word has length 2 [2018-10-10 11:25:07,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:07,402 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 178 transitions. [2018-10-10 11:25:07,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-10 11:25:07,403 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 178 transitions. [2018-10-10 11:25:07,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-10 11:25:07,403 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:07,403 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-10-10 11:25:07,405 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:07,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:07,406 INFO L82 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2018-10-10 11:25:07,406 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:07,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:07,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:07,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:07,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:07,575 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 11:25:07,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:07,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-10-10 11:25:07,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-10 11:25:07,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-10 11:25:07,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 11:25:07,579 INFO L87 Difference]: Start difference. First operand 179 states and 178 transitions. Second operand 3 states. [2018-10-10 11:25:08,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:08,051 INFO L93 Difference]: Finished difference Result 178 states and 177 transitions. [2018-10-10 11:25:08,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-10 11:25:08,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-10-10 11:25:08,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:08,060 INFO L225 Difference]: With dead ends: 178 [2018-10-10 11:25:08,060 INFO L226 Difference]: Without dead ends: 178 [2018-10-10 11:25:08,061 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 11:25:08,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-10-10 11:25:08,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2018-10-10 11:25:08,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-10-10 11:25:08,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 177 transitions. [2018-10-10 11:25:08,081 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 177 transitions. Word has length 3 [2018-10-10 11:25:08,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:08,081 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 177 transitions. [2018-10-10 11:25:08,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-10 11:25:08,084 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 177 transitions. [2018-10-10 11:25:08,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-10 11:25:08,085 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:08,085 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-10-10 11:25:08,088 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:08,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:08,090 INFO L82 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2018-10-10 11:25:08,090 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:08,091 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:08,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:08,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:08,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:08,232 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 11:25:08,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:08,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 11:25:08,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:25:08,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:25:08,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:25:08,234 INFO L87 Difference]: Start difference. First operand 178 states and 177 transitions. Second operand 4 states. [2018-10-10 11:25:08,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:08,566 INFO L93 Difference]: Finished difference Result 175 states and 174 transitions. [2018-10-10 11:25:08,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-10 11:25:08,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-10-10 11:25:08,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:08,570 INFO L225 Difference]: With dead ends: 175 [2018-10-10 11:25:08,570 INFO L226 Difference]: Without dead ends: 175 [2018-10-10 11:25:08,571 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:08,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-10-10 11:25:08,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-10-10 11:25:08,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-10-10 11:25:08,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 174 transitions. [2018-10-10 11:25:08,582 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 174 transitions. Word has length 4 [2018-10-10 11:25:08,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:08,582 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 174 transitions. [2018-10-10 11:25:08,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:25:08,582 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 174 transitions. [2018-10-10 11:25:08,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-10 11:25:08,583 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:08,583 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-10-10 11:25:08,586 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:08,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:08,586 INFO L82 PathProgramCache]: Analyzing trace with hash 28692770, now seen corresponding path program 1 times [2018-10-10 11:25:08,586 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:08,587 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:08,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:08,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:08,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:08,696 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 11:25:08,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:08,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 11:25:08,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:25:08,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:25:08,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:25:08,698 INFO L87 Difference]: Start difference. First operand 175 states and 174 transitions. Second operand 4 states. [2018-10-10 11:25:09,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:09,190 INFO L93 Difference]: Finished difference Result 174 states and 173 transitions. [2018-10-10 11:25:09,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:09,191 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-10-10 11:25:09,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:09,193 INFO L225 Difference]: With dead ends: 174 [2018-10-10 11:25:09,193 INFO L226 Difference]: Without dead ends: 174 [2018-10-10 11:25:09,194 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:09,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-10-10 11:25:09,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2018-10-10 11:25:09,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-10-10 11:25:09,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 173 transitions. [2018-10-10 11:25:09,203 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 173 transitions. Word has length 5 [2018-10-10 11:25:09,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:09,203 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 173 transitions. [2018-10-10 11:25:09,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:25:09,204 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 173 transitions. [2018-10-10 11:25:09,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-10 11:25:09,204 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:09,204 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-10 11:25:09,207 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:09,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:09,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949476, now seen corresponding path program 1 times [2018-10-10 11:25:09,207 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:09,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:09,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:09,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:09,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:09,535 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-10 11:25:09,712 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-10 11:25:09,715 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 11:25:09,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:09,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:25:09,716 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 11:25:09,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 11:25:09,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:09,717 INFO L87 Difference]: Start difference. First operand 174 states and 173 transitions. Second operand 5 states. [2018-10-10 11:25:10,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:10,082 INFO L93 Difference]: Finished difference Result 173 states and 172 transitions. [2018-10-10 11:25:10,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:10,083 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2018-10-10 11:25:10,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:10,085 INFO L225 Difference]: With dead ends: 173 [2018-10-10 11:25:10,085 INFO L226 Difference]: Without dead ends: 173 [2018-10-10 11:25:10,085 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-10 11:25:10,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-10-10 11:25:10,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-10-10 11:25:10,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-10-10 11:25:10,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 172 transitions. [2018-10-10 11:25:10,093 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 172 transitions. Word has length 7 [2018-10-10 11:25:10,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:10,093 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 172 transitions. [2018-10-10 11:25:10,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 11:25:10,093 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 172 transitions. [2018-10-10 11:25:10,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-10 11:25:10,094 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:10,094 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 11:25:10,097 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:10,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:10,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1571339738, now seen corresponding path program 1 times [2018-10-10 11:25:10,097 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:10,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:10,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:10,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:10,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:10,270 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 11:25:10,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:10,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:25:10,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 11:25:10,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 11:25:10,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:10,273 INFO L87 Difference]: Start difference. First operand 173 states and 172 transitions. Second operand 5 states. [2018-10-10 11:25:10,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:10,675 INFO L93 Difference]: Finished difference Result 172 states and 171 transitions. [2018-10-10 11:25:10,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:10,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-10-10 11:25:10,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:10,678 INFO L225 Difference]: With dead ends: 172 [2018-10-10 11:25:10,678 INFO L226 Difference]: Without dead ends: 172 [2018-10-10 11:25:10,679 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-10 11:25:10,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-10-10 11:25:10,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2018-10-10 11:25:10,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-10-10 11:25:10,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 171 transitions. [2018-10-10 11:25:10,686 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 171 transitions. Word has length 9 [2018-10-10 11:25:10,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:10,686 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 171 transitions. [2018-10-10 11:25:10,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 11:25:10,687 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 171 transitions. [2018-10-10 11:25:10,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-10 11:25:10,687 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:10,687 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 11:25:10,690 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:10,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:10,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1771001512, now seen corresponding path program 1 times [2018-10-10 11:25:10,690 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:10,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:10,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:10,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:10,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:10,855 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 11:25:10,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:10,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 11:25:10,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:25:10,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:25:10,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:25:10,859 INFO L87 Difference]: Start difference. First operand 172 states and 171 transitions. Second operand 4 states. [2018-10-10 11:25:11,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:11,164 INFO L93 Difference]: Finished difference Result 141 states and 140 transitions. [2018-10-10 11:25:11,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:11,164 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-10-10 11:25:11,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:11,166 INFO L225 Difference]: With dead ends: 141 [2018-10-10 11:25:11,166 INFO L226 Difference]: Without dead ends: 141 [2018-10-10 11:25:11,167 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:11,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-10-10 11:25:11,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-10-10 11:25:11,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-10-10 11:25:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 140 transitions. [2018-10-10 11:25:11,172 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 140 transitions. Word has length 11 [2018-10-10 11:25:11,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:11,173 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 140 transitions. [2018-10-10 11:25:11,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:25:11,173 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 140 transitions. [2018-10-10 11:25:11,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-10 11:25:11,174 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:11,174 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 11:25:11,176 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:11,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:11,184 INFO L82 PathProgramCache]: Analyzing trace with hash -933527924, now seen corresponding path program 1 times [2018-10-10 11:25:11,184 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:11,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:11,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:11,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:11,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:11,498 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-10 11:25:11,667 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-10 11:25:11,669 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 11:25:11,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:11,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:25:11,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 11:25:11,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 11:25:11,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:11,671 INFO L87 Difference]: Start difference. First operand 141 states and 140 transitions. Second operand 5 states. [2018-10-10 11:25:12,044 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-10 11:25:12,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:12,736 INFO L93 Difference]: Finished difference Result 136 states and 135 transitions. [2018-10-10 11:25:12,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:12,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-10-10 11:25:12,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:12,738 INFO L225 Difference]: With dead ends: 136 [2018-10-10 11:25:12,738 INFO L226 Difference]: Without dead ends: 136 [2018-10-10 11:25:12,739 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-10 11:25:12,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-10-10 11:25:12,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-10-10 11:25:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-10-10 11:25:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 135 transitions. [2018-10-10 11:25:12,743 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 135 transitions. Word has length 12 [2018-10-10 11:25:12,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:12,743 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 135 transitions. [2018-10-10 11:25:12,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 11:25:12,743 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 135 transitions. [2018-10-10 11:25:12,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-10 11:25:12,744 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:12,744 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 11:25:12,746 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:12,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:12,747 INFO L82 PathProgramCache]: Analyzing trace with hash 527831630, now seen corresponding path program 1 times [2018-10-10 11:25:12,747 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:12,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:12,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:12,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:12,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:12,949 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 11:25:12,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:12,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:25:12,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 11:25:12,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 11:25:12,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:12,951 INFO L87 Difference]: Start difference. First operand 136 states and 135 transitions. Second operand 5 states. [2018-10-10 11:25:13,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:13,277 INFO L93 Difference]: Finished difference Result 131 states and 130 transitions. [2018-10-10 11:25:13,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:13,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-10-10 11:25:13,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:13,279 INFO L225 Difference]: With dead ends: 131 [2018-10-10 11:25:13,279 INFO L226 Difference]: Without dead ends: 131 [2018-10-10 11:25:13,280 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-10 11:25:13,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-10-10 11:25:13,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-10-10 11:25:13,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-10-10 11:25:13,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 130 transitions. [2018-10-10 11:25:13,284 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 130 transitions. Word has length 14 [2018-10-10 11:25:13,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:13,284 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 130 transitions. [2018-10-10 11:25:13,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 11:25:13,285 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 130 transitions. [2018-10-10 11:25:13,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-10 11:25:13,285 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:13,286 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 11:25:13,287 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:13,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:13,288 INFO L82 PathProgramCache]: Analyzing trace with hash 440057360, now seen corresponding path program 1 times [2018-10-10 11:25:13,288 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:13,288 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:13,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:13,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:13,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:13,486 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 11:25:13,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:13,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:25:13,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 11:25:13,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 11:25:13,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:13,488 INFO L87 Difference]: Start difference. First operand 131 states and 130 transitions. Second operand 5 states. [2018-10-10 11:25:13,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:13,841 INFO L93 Difference]: Finished difference Result 126 states and 125 transitions. [2018-10-10 11:25:13,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:13,841 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-10-10 11:25:13,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:13,843 INFO L225 Difference]: With dead ends: 126 [2018-10-10 11:25:13,843 INFO L226 Difference]: Without dead ends: 126 [2018-10-10 11:25:13,844 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-10 11:25:13,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-10-10 11:25:13,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-10-10 11:25:13,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-10-10 11:25:13,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 125 transitions. [2018-10-10 11:25:13,848 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 125 transitions. Word has length 16 [2018-10-10 11:25:13,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:13,848 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 125 transitions. [2018-10-10 11:25:13,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 11:25:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 125 transitions. [2018-10-10 11:25:13,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-10 11:25:13,849 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:13,849 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 11:25:13,850 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:13,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:13,851 INFO L82 PathProgramCache]: Analyzing trace with hash 756876334, now seen corresponding path program 1 times [2018-10-10 11:25:13,851 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:13,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:13,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:13,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:13,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:14,126 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 11:25:14,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:14,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 11:25:14,127 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 11:25:14,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 11:25:14,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:14,128 INFO L87 Difference]: Start difference. First operand 126 states and 125 transitions. Second operand 5 states. [2018-10-10 11:25:14,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:14,968 INFO L93 Difference]: Finished difference Result 117 states and 116 transitions. [2018-10-10 11:25:14,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 11:25:14,972 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-10-10 11:25:14,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:14,975 INFO L225 Difference]: With dead ends: 117 [2018-10-10 11:25:14,975 INFO L226 Difference]: Without dead ends: 117 [2018-10-10 11:25:14,978 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-10 11:25:14,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-10-10 11:25:14,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-10-10 11:25:14,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-10-10 11:25:14,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 116 transitions. [2018-10-10 11:25:14,982 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 116 transitions. Word has length 17 [2018-10-10 11:25:14,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:14,983 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 116 transitions. [2018-10-10 11:25:14,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 11:25:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 116 transitions. [2018-10-10 11:25:14,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-10 11:25:14,987 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:14,987 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 11:25:14,988 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:14,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:14,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1988329938, now seen corresponding path program 1 times [2018-10-10 11:25:14,989 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:14,989 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:14,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:14,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:14,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:15,298 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 11:25:15,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:15,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:25:15,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 11:25:15,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 11:25:15,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:15,300 INFO L87 Difference]: Start difference. First operand 117 states and 116 transitions. Second operand 5 states. [2018-10-10 11:25:15,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:15,705 INFO L93 Difference]: Finished difference Result 116 states and 115 transitions. [2018-10-10 11:25:15,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:15,706 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-10-10 11:25:15,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:15,707 INFO L225 Difference]: With dead ends: 116 [2018-10-10 11:25:15,707 INFO L226 Difference]: Without dead ends: 116 [2018-10-10 11:25:15,707 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-10 11:25:15,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-10-10 11:25:15,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-10-10 11:25:15,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-10-10 11:25:15,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 115 transitions. [2018-10-10 11:25:15,711 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 115 transitions. Word has length 18 [2018-10-10 11:25:15,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:15,712 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 115 transitions. [2018-10-10 11:25:15,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 11:25:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 115 transitions. [2018-10-10 11:25:15,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-10 11:25:15,712 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:15,713 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] [2018-10-10 11:25:15,713 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:15,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:15,714 INFO L82 PathProgramCache]: Analyzing trace with hash -475374188, now seen corresponding path program 1 times [2018-10-10 11:25:15,714 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:15,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:15,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:15,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:15,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:15,913 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 11:25:15,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:15,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:25:15,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 11:25:15,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 11:25:15,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:15,915 INFO L87 Difference]: Start difference. First operand 116 states and 115 transitions. Second operand 5 states. [2018-10-10 11:25:16,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:16,143 INFO L93 Difference]: Finished difference Result 114 states and 113 transitions. [2018-10-10 11:25:16,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:16,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-10-10 11:25:16,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:16,145 INFO L225 Difference]: With dead ends: 114 [2018-10-10 11:25:16,146 INFO L226 Difference]: Without dead ends: 114 [2018-10-10 11:25:16,146 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-10 11:25:16,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-10-10 11:25:16,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-10-10 11:25:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-10-10 11:25:16,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 113 transitions. [2018-10-10 11:25:16,149 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 113 transitions. Word has length 20 [2018-10-10 11:25:16,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:16,149 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 113 transitions. [2018-10-10 11:25:16,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 11:25:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 113 transitions. [2018-10-10 11:25:16,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-10 11:25:16,150 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:16,151 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] [2018-10-10 11:25:16,151 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:16,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:16,152 INFO L82 PathProgramCache]: Analyzing trace with hash 628776216, now seen corresponding path program 1 times [2018-10-10 11:25:16,152 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:16,152 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:16,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:16,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:16,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:16,333 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 11:25:16,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:16,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:25:16,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 11:25:16,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 11:25:16,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:16,335 INFO L87 Difference]: Start difference. First operand 114 states and 113 transitions. Second operand 5 states. [2018-10-10 11:25:16,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:16,971 INFO L93 Difference]: Finished difference Result 113 states and 112 transitions. [2018-10-10 11:25:16,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:16,972 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-10-10 11:25:16,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:16,973 INFO L225 Difference]: With dead ends: 113 [2018-10-10 11:25:16,973 INFO L226 Difference]: Without dead ends: 113 [2018-10-10 11:25:16,974 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-10 11:25:16,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-10-10 11:25:16,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-10-10 11:25:16,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-10-10 11:25:16,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 112 transitions. [2018-10-10 11:25:16,977 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 112 transitions. Word has length 24 [2018-10-10 11:25:16,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:16,977 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 112 transitions. [2018-10-10 11:25:16,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 11:25:16,977 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 112 transitions. [2018-10-10 11:25:16,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-10 11:25:16,978 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:16,978 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 11:25:16,979 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:16,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:16,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1336442662, now seen corresponding path program 1 times [2018-10-10 11:25:16,979 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:16,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:16,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:16,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:16,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:17,168 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 11:25:17,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:17,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:25:17,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 11:25:17,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 11:25:17,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:17,170 INFO L87 Difference]: Start difference. First operand 113 states and 112 transitions. Second operand 5 states. [2018-10-10 11:25:17,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:17,388 INFO L93 Difference]: Finished difference Result 110 states and 109 transitions. [2018-10-10 11:25:17,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 11:25:17,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-10-10 11:25:17,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:17,390 INFO L225 Difference]: With dead ends: 110 [2018-10-10 11:25:17,390 INFO L226 Difference]: Without dead ends: 110 [2018-10-10 11:25:17,391 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-10 11:25:17,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-10-10 11:25:17,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-10-10 11:25:17,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-10-10 11:25:17,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 109 transitions. [2018-10-10 11:25:17,393 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 109 transitions. Word has length 26 [2018-10-10 11:25:17,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:17,394 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 109 transitions. [2018-10-10 11:25:17,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 11:25:17,394 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 109 transitions. [2018-10-10 11:25:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-10 11:25:17,394 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:17,395 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] [2018-10-10 11:25:17,395 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:17,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:17,396 INFO L82 PathProgramCache]: Analyzing trace with hash -126174052, now seen corresponding path program 1 times [2018-10-10 11:25:17,396 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:17,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:17,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:17,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:17,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:17,726 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 11:25:17,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:17,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 11:25:17,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 11:25:17,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 11:25:17,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-10 11:25:17,728 INFO L87 Difference]: Start difference. First operand 110 states and 109 transitions. Second operand 6 states. [2018-10-10 11:25:18,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:18,041 INFO L93 Difference]: Finished difference Result 106 states and 105 transitions. [2018-10-10 11:25:18,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 11:25:18,042 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-10-10 11:25:18,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:18,043 INFO L225 Difference]: With dead ends: 106 [2018-10-10 11:25:18,043 INFO L226 Difference]: Without dead ends: 106 [2018-10-10 11:25:18,044 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-10-10 11:25:18,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-10-10 11:25:18,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-10-10 11:25:18,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-10-10 11:25:18,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 105 transitions. [2018-10-10 11:25:18,047 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 105 transitions. Word has length 28 [2018-10-10 11:25:18,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:18,047 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 105 transitions. [2018-10-10 11:25:18,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 11:25:18,048 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 105 transitions. [2018-10-10 11:25:18,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-10 11:25:18,049 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:18,049 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] [2018-10-10 11:25:18,050 INFO L424 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:18,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:18,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1929894200, now seen corresponding path program 1 times [2018-10-10 11:25:18,050 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:18,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:18,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:18,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:18,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:18,525 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-10-10 11:25:18,608 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 11:25:18,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:18,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:25:18,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 11:25:18,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 11:25:18,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:18,609 INFO L87 Difference]: Start difference. First operand 106 states and 105 transitions. Second operand 5 states. [2018-10-10 11:25:18,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:18,904 INFO L93 Difference]: Finished difference Result 105 states and 104 transitions. [2018-10-10 11:25:18,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 11:25:18,904 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2018-10-10 11:25:18,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:18,906 INFO L225 Difference]: With dead ends: 105 [2018-10-10 11:25:18,906 INFO L226 Difference]: Without dead ends: 105 [2018-10-10 11:25:18,907 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-10 11:25:18,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-10-10 11:25:18,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-10-10 11:25:18,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-10-10 11:25:18,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 104 transitions. [2018-10-10 11:25:18,909 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 104 transitions. Word has length 56 [2018-10-10 11:25:18,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:18,910 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 104 transitions. [2018-10-10 11:25:18,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 11:25:18,910 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 104 transitions. [2018-10-10 11:25:18,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-10 11:25:18,911 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:18,911 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 11:25:18,911 INFO L424 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:18,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:18,912 INFO L82 PathProgramCache]: Analyzing trace with hash -797541126, now seen corresponding path program 1 times [2018-10-10 11:25:18,912 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:18,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:18,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:18,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:18,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:19,285 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-10 11:25:19,294 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 11:25:19,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:19,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 11:25:19,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:25:19,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:25:19,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:25:19,296 INFO L87 Difference]: Start difference. First operand 105 states and 104 transitions. Second operand 4 states. [2018-10-10 11:25:19,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:19,553 INFO L93 Difference]: Finished difference Result 104 states and 103 transitions. [2018-10-10 11:25:19,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:19,554 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2018-10-10 11:25:19,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:19,555 INFO L225 Difference]: With dead ends: 104 [2018-10-10 11:25:19,555 INFO L226 Difference]: Without dead ends: 104 [2018-10-10 11:25:19,555 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:19,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-10-10 11:25:19,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-10-10 11:25:19,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-10-10 11:25:19,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 103 transitions. [2018-10-10 11:25:19,559 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 103 transitions. Word has length 58 [2018-10-10 11:25:19,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:19,559 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 103 transitions. [2018-10-10 11:25:19,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:25:19,559 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 103 transitions. [2018-10-10 11:25:19,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-10 11:25:19,560 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:19,560 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] [2018-10-10 11:25:19,561 INFO L424 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:19,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:19,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1932838724, now seen corresponding path program 1 times [2018-10-10 11:25:19,561 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:19,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:19,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:19,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:19,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:19,879 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 11:25:19,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:19,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 11:25:19,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:25:19,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:25:19,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:25:19,880 INFO L87 Difference]: Start difference. First operand 104 states and 103 transitions. Second operand 4 states. [2018-10-10 11:25:20,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:20,156 INFO L93 Difference]: Finished difference Result 103 states and 102 transitions. [2018-10-10 11:25:20,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:20,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-10-10 11:25:20,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:20,157 INFO L225 Difference]: With dead ends: 103 [2018-10-10 11:25:20,157 INFO L226 Difference]: Without dead ends: 103 [2018-10-10 11:25:20,158 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:20,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-10-10 11:25:20,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-10-10 11:25:20,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-10 11:25:20,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 102 transitions. [2018-10-10 11:25:20,161 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 102 transitions. Word has length 60 [2018-10-10 11:25:20,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:20,161 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 102 transitions. [2018-10-10 11:25:20,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:25:20,162 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 102 transitions. [2018-10-10 11:25:20,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-10 11:25:20,162 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:20,163 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] [2018-10-10 11:25:20,163 INFO L424 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:20,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:20,164 INFO L82 PathProgramCache]: Analyzing trace with hash -2032137090, now seen corresponding path program 1 times [2018-10-10 11:25:20,164 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:20,164 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:20,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:20,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:20,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:20,375 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 11:25:20,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:20,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 11:25:20,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:25:20,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:25:20,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:25:20,376 INFO L87 Difference]: Start difference. First operand 103 states and 102 transitions. Second operand 4 states. [2018-10-10 11:25:20,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:20,593 INFO L93 Difference]: Finished difference Result 102 states and 101 transitions. [2018-10-10 11:25:20,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:20,594 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-10-10 11:25:20,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:20,595 INFO L225 Difference]: With dead ends: 102 [2018-10-10 11:25:20,595 INFO L226 Difference]: Without dead ends: 102 [2018-10-10 11:25:20,596 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:20,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-10-10 11:25:20,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-10-10 11:25:20,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-10-10 11:25:20,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 101 transitions. [2018-10-10 11:25:20,599 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 101 transitions. Word has length 62 [2018-10-10 11:25:20,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:20,599 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 101 transitions. [2018-10-10 11:25:20,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:25:20,600 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 101 transitions. [2018-10-10 11:25:20,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-10 11:25:20,600 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:20,601 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] [2018-10-10 11:25:20,601 INFO L424 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:20,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:20,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1326381120, now seen corresponding path program 1 times [2018-10-10 11:25:20,602 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:20,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:20,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:20,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:20,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:20,852 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 11:25:20,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:20,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-10 11:25:20,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 11:25:20,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 11:25:20,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-10 11:25:20,853 INFO L87 Difference]: Start difference. First operand 102 states and 101 transitions. Second operand 7 states. [2018-10-10 11:25:21,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:21,250 INFO L93 Difference]: Finished difference Result 101 states and 100 transitions. [2018-10-10 11:25:21,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 11:25:21,251 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-10-10 11:25:21,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:21,252 INFO L225 Difference]: With dead ends: 101 [2018-10-10 11:25:21,252 INFO L226 Difference]: Without dead ends: 101 [2018-10-10 11:25:21,253 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-10-10 11:25:21,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-10-10 11:25:21,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-10-10 11:25:21,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-10-10 11:25:21,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 100 transitions. [2018-10-10 11:25:21,256 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 100 transitions. Word has length 64 [2018-10-10 11:25:21,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:21,256 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 100 transitions. [2018-10-10 11:25:21,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 11:25:21,257 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 100 transitions. [2018-10-10 11:25:21,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-10 11:25:21,257 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:21,258 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] [2018-10-10 11:25:21,258 INFO L424 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:21,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:21,258 INFO L82 PathProgramCache]: Analyzing trace with hash -953025534, now seen corresponding path program 1 times [2018-10-10 11:25:21,259 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:21,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:21,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:21,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:21,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:21,523 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 11:25:21,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:21,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 11:25:21,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:25:21,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:25:21,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:25:21,524 INFO L87 Difference]: Start difference. First operand 101 states and 100 transitions. Second operand 4 states. [2018-10-10 11:25:22,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:22,074 INFO L93 Difference]: Finished difference Result 100 states and 99 transitions. [2018-10-10 11:25:22,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:22,075 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-10-10 11:25:22,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:22,076 INFO L225 Difference]: With dead ends: 100 [2018-10-10 11:25:22,076 INFO L226 Difference]: Without dead ends: 100 [2018-10-10 11:25:22,077 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:22,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-10-10 11:25:22,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-10-10 11:25:22,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-10 11:25:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 99 transitions. [2018-10-10 11:25:22,079 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 99 transitions. Word has length 66 [2018-10-10 11:25:22,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:22,080 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 99 transitions. [2018-10-10 11:25:22,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:25:22,080 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 99 transitions. [2018-10-10 11:25:22,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-10 11:25:22,081 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:22,081 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] [2018-10-10 11:25:22,081 INFO L424 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:22,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:22,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1029498940, now seen corresponding path program 1 times [2018-10-10 11:25:22,082 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:22,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:22,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:22,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:22,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:22,429 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-10 11:25:22,450 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 11:25:22,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:22,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 11:25:22,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:25:22,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:25:22,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:25:22,452 INFO L87 Difference]: Start difference. First operand 100 states and 99 transitions. Second operand 4 states. [2018-10-10 11:25:23,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:23,514 INFO L93 Difference]: Finished difference Result 99 states and 98 transitions. [2018-10-10 11:25:23,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:23,515 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2018-10-10 11:25:23,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:23,516 INFO L225 Difference]: With dead ends: 99 [2018-10-10 11:25:23,516 INFO L226 Difference]: Without dead ends: 99 [2018-10-10 11:25:23,517 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:23,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-10-10 11:25:23,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-10-10 11:25:23,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-10-10 11:25:23,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 98 transitions. [2018-10-10 11:25:23,520 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 98 transitions. Word has length 68 [2018-10-10 11:25:23,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:23,521 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 98 transitions. [2018-10-10 11:25:23,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:25:23,521 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 98 transitions. [2018-10-10 11:25:23,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-10 11:25:23,521 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:23,521 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] [2018-10-10 11:25:23,522 INFO L424 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:23,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:23,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1505997946, now seen corresponding path program 1 times [2018-10-10 11:25:23,523 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:23,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:23,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:23,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:23,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:23,748 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 11:25:23,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:23,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 11:25:23,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:25:23,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:25:23,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:25:23,750 INFO L87 Difference]: Start difference. First operand 99 states and 98 transitions. Second operand 4 states. [2018-10-10 11:25:23,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:23,980 INFO L93 Difference]: Finished difference Result 98 states and 97 transitions. [2018-10-10 11:25:23,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:23,981 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2018-10-10 11:25:23,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:23,982 INFO L225 Difference]: With dead ends: 98 [2018-10-10 11:25:23,982 INFO L226 Difference]: Without dead ends: 98 [2018-10-10 11:25:23,983 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:23,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-10-10 11:25:23,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-10-10 11:25:23,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-10-10 11:25:23,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 97 transitions. [2018-10-10 11:25:23,987 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 97 transitions. Word has length 70 [2018-10-10 11:25:23,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:23,987 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 97 transitions. [2018-10-10 11:25:23,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:25:23,987 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 97 transitions. [2018-10-10 11:25:23,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-10 11:25:23,988 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:23,988 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] [2018-10-10 11:25:23,989 INFO L424 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:23,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:23,989 INFO L82 PathProgramCache]: Analyzing trace with hash 139958088, now seen corresponding path program 1 times [2018-10-10 11:25:23,990 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:23,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:23,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:23,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:23,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:24,491 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-10 11:25:24,597 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 11:25:24,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:24,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-10 11:25:24,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 11:25:24,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 11:25:24,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-10 11:25:24,598 INFO L87 Difference]: Start difference. First operand 98 states and 97 transitions. Second operand 7 states. [2018-10-10 11:25:25,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:25,028 INFO L93 Difference]: Finished difference Result 97 states and 96 transitions. [2018-10-10 11:25:25,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 11:25:25,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2018-10-10 11:25:25,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:25,030 INFO L225 Difference]: With dead ends: 97 [2018-10-10 11:25:25,030 INFO L226 Difference]: Without dead ends: 97 [2018-10-10 11:25:25,030 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-10-10 11:25:25,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-10-10 11:25:25,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-10-10 11:25:25,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-10-10 11:25:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 96 transitions. [2018-10-10 11:25:25,033 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 96 transitions. Word has length 72 [2018-10-10 11:25:25,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:25,033 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 96 transitions. [2018-10-10 11:25:25,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 11:25:25,034 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 96 transitions. [2018-10-10 11:25:25,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-10 11:25:25,034 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:25,034 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] [2018-10-10 11:25:25,035 INFO L424 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:25,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:25,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1355741962, now seen corresponding path program 1 times [2018-10-10 11:25:25,035 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:25,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:25,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:25,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:25,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:25,315 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 11:25:25,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:25,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 11:25:25,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:25:25,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:25:25,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:25:25,316 INFO L87 Difference]: Start difference. First operand 97 states and 96 transitions. Second operand 4 states. [2018-10-10 11:25:25,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:25,540 INFO L93 Difference]: Finished difference Result 96 states and 95 transitions. [2018-10-10 11:25:25,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:25,541 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 74 [2018-10-10 11:25:25,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:25,542 INFO L225 Difference]: With dead ends: 96 [2018-10-10 11:25:25,542 INFO L226 Difference]: Without dead ends: 96 [2018-10-10 11:25:25,543 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:25,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-10-10 11:25:25,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-10-10 11:25:25,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-10-10 11:25:25,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 95 transitions. [2018-10-10 11:25:25,545 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 95 transitions. Word has length 74 [2018-10-10 11:25:25,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:25,545 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 95 transitions. [2018-10-10 11:25:25,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:25:25,545 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 95 transitions. [2018-10-10 11:25:25,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-10 11:25:25,546 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:25,546 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] [2018-10-10 11:25:25,547 INFO L424 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:25,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:25,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1492940492, now seen corresponding path program 1 times [2018-10-10 11:25:25,547 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:25,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:25,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:25,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:25,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:25,779 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 11:25:25,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:25,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 11:25:25,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:25:25,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:25:25,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:25:25,781 INFO L87 Difference]: Start difference. First operand 96 states and 95 transitions. Second operand 4 states. [2018-10-10 11:25:26,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:26,101 INFO L93 Difference]: Finished difference Result 95 states and 94 transitions. [2018-10-10 11:25:26,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:26,101 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 76 [2018-10-10 11:25:26,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:26,102 INFO L225 Difference]: With dead ends: 95 [2018-10-10 11:25:26,103 INFO L226 Difference]: Without dead ends: 95 [2018-10-10 11:25:26,103 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:26,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-10-10 11:25:26,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-10-10 11:25:26,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-10-10 11:25:26,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 94 transitions. [2018-10-10 11:25:26,106 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 94 transitions. Word has length 76 [2018-10-10 11:25:26,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:26,106 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 94 transitions. [2018-10-10 11:25:26,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:25:26,107 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 94 transitions. [2018-10-10 11:25:26,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-10 11:25:26,107 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:26,107 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] [2018-10-10 11:25:26,108 INFO L424 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:26,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:26,109 INFO L82 PathProgramCache]: Analyzing trace with hash 196741774, now seen corresponding path program 1 times [2018-10-10 11:25:26,109 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:26,109 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:26,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:26,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:26,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:26,461 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-10 11:25:26,477 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 11:25:26,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:26,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 11:25:26,478 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:25:26,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:25:26,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:25:26,478 INFO L87 Difference]: Start difference. First operand 95 states and 94 transitions. Second operand 4 states. [2018-10-10 11:25:26,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:26,732 INFO L93 Difference]: Finished difference Result 94 states and 93 transitions. [2018-10-10 11:25:26,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:26,733 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2018-10-10 11:25:26,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:26,734 INFO L225 Difference]: With dead ends: 94 [2018-10-10 11:25:26,734 INFO L226 Difference]: Without dead ends: 94 [2018-10-10 11:25:26,734 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:26,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-10-10 11:25:26,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-10-10 11:25:26,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-10-10 11:25:26,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 93 transitions. [2018-10-10 11:25:26,738 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 93 transitions. Word has length 78 [2018-10-10 11:25:26,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:26,738 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 93 transitions. [2018-10-10 11:25:26,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:25:26,738 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 93 transitions. [2018-10-10 11:25:26,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-10 11:25:26,739 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:26,739 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] [2018-10-10 11:25:26,739 INFO L424 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:26,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:26,740 INFO L82 PathProgramCache]: Analyzing trace with hash 90289744, now seen corresponding path program 1 times [2018-10-10 11:25:26,740 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:26,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:26,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:26,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:26,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:27,111 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-10 11:25:27,189 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 11:25:27,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:27,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:25:27,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 11:25:27,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 11:25:27,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:25:27,190 INFO L87 Difference]: Start difference. First operand 94 states and 93 transitions. Second operand 5 states. [2018-10-10 11:25:27,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:27,390 INFO L93 Difference]: Finished difference Result 92 states and 91 transitions. [2018-10-10 11:25:27,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 11:25:27,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 80 [2018-10-10 11:25:27,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:27,391 INFO L225 Difference]: With dead ends: 92 [2018-10-10 11:25:27,392 INFO L226 Difference]: Without dead ends: 92 [2018-10-10 11:25:27,392 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-10 11:25:27,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-10-10 11:25:27,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-10-10 11:25:27,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-10-10 11:25:27,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 91 transitions. [2018-10-10 11:25:27,396 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 91 transitions. Word has length 80 [2018-10-10 11:25:27,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:27,396 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 91 transitions. [2018-10-10 11:25:27,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 11:25:27,396 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 91 transitions. [2018-10-10 11:25:27,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-10 11:25:27,397 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:27,397 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] [2018-10-10 11:25:27,398 INFO L424 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:25:27,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:27,398 INFO L82 PathProgramCache]: Analyzing trace with hash 520203001, now seen corresponding path program 1 times [2018-10-10 11:25:27,398 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:27,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:27,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:27,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:27,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:27,514 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 11:25:27,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:27,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 11:25:27,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-10 11:25:27,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-10 11:25:27,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 11:25:27,516 INFO L87 Difference]: Start difference. First operand 92 states and 91 transitions. Second operand 3 states. [2018-10-10 11:25:27,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:27,658 INFO L93 Difference]: Finished difference Result 91 states and 90 transitions. [2018-10-10 11:25:27,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-10 11:25:27,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2018-10-10 11:25:27,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:27,659 INFO L225 Difference]: With dead ends: 91 [2018-10-10 11:25:27,659 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 11:25:27,660 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 11:25:27,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 11:25:27,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 11:25:27,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 11:25:27,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 11:25:27,661 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2018-10-10 11:25:27,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:27,661 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 11:25:27,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-10 11:25:27,661 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 11:25:27,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 11:25:27,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 11:25:27 BoogieIcfgContainer [2018-10-10 11:25:27,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 11:25:27,668 INFO L168 Benchmark]: Toolchain (without parser) took 24871.28 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -747.0 MB). Peak memory consumption was 347.7 MB. Max. memory is 7.1 GB. [2018-10-10 11:25:27,669 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 11:25:27,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.47 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-10 11:25:27,670 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.20 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2018-10-10 11:25:27,671 INFO L168 Benchmark]: Boogie Preprocessor took 122.17 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 11:25:27,671 INFO L168 Benchmark]: RCFGBuilder took 2578.88 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -664.3 MB). Peak memory consumption was 96.9 MB. Max. memory is 7.1 GB. [2018-10-10 11:25:27,672 INFO L168 Benchmark]: TraceAbstraction took 21698.58 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 349.7 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -106.4 MB). Peak memory consumption was 243.3 MB. Max. memory is 7.1 GB. [2018-10-10 11:25:27,676 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 362.47 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 104.20 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.17 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. * RCFGBuilder took 2578.88 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -664.3 MB). Peak memory consumption was 96.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21698.58 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 349.7 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -106.4 MB). Peak memory consumption was 243.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 128]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 89 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 182 locations, 89 error locations. SAFE Result, 21.6s OverallTime, 30 OverallIterations, 1 TraceHistogramMax, 12.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1479 SDtfs, 4740 SDslu, 704 SDs, 0 SdLazy, 4264 SolverSat, 407 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 13 SyntacticMatches, 3 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 30 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 1191 NumberOfCodeBlocks, 1191 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1161 ConstructedInterpolants, 0 QuantifiedInterpolants, 623725 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...