java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --traceabstraction.dump.automata.to.the.following.directory dump --rcfgbuilder.size.of.a.code.block SingleStatement --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/memsafety/test-0217_true-valid-memsafety_false-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 14:43:33,240 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 14:43:33,243 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 14:43:33,259 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 14:43:33,260 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 14:43:33,262 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 14:43:33,263 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 14:43:33,265 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 14:43:33,268 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 14:43:33,269 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 14:43:33,271 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 14:43:33,272 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 14:43:33,273 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 14:43:33,274 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 14:43:33,275 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 14:43:33,285 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 14:43:33,286 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 14:43:33,288 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 14:43:33,290 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 14:43:33,292 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 14:43:33,293 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 14:43:33,294 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 14:43:33,296 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 14:43:33,296 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 14:43:33,297 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 14:43:33,297 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 14:43:33,298 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 14:43:33,299 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 14:43:33,300 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 14:43:33,301 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 14:43:33,301 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 14:43:33,302 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 14:43:33,302 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 14:43:33,302 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 14:43:33,303 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 14:43:33,304 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 14:43:33,304 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-10-10 14:43:33,322 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 14:43:33,322 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 14:43:33,324 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 14:43:33,324 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 14:43:33,324 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 14:43:33,324 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 14:43:33,324 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 14:43:33,325 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 14:43:33,325 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 14:43:33,325 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 14:43:33,325 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 14:43:33,325 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 14:43:33,326 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 14:43:33,326 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 14:43:33,326 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 14:43:33,326 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 14:43:33,326 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 14:43:33,326 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 14:43:33,327 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 14:43:33,327 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 14:43:33,327 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 14:43:33,327 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 14:43:33,327 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 14:43:33,328 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-10 14:43:33,328 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 14:43:33,328 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Dump automata to the following directory -> dump Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-10-10 14:43:33,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 14:43:33,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 14:43:33,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 14:43:33,403 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 14:43:33,404 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 14:43:33,404 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0217_true-valid-memsafety_false-termination.i [2018-10-10 14:43:33,701 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18ac5f70b/c4970f9671d243e6baa12a1f75cc5cb3/FLAGdb285a6a2 [2018-10-10 14:43:34,004 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 14:43:34,005 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/memsafety/test-0217_true-valid-memsafety_false-termination.i [2018-10-10 14:43:34,026 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18ac5f70b/c4970f9671d243e6baa12a1f75cc5cb3/FLAGdb285a6a2 [2018-10-10 14:43:34,046 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18ac5f70b/c4970f9671d243e6baa12a1f75cc5cb3 [2018-10-10 14:43:34,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 14:43:34,057 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 14:43:34,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 14:43:34,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 14:43:34,062 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 14:43:34,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:43:34" (1/1) ... [2018-10-10 14:43:34,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301b89ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:34, skipping insertion in model container [2018-10-10 14:43:34,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:43:34" (1/1) ... [2018-10-10 14:43:34,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 14:43:34,129 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 14:43:34,411 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:43:34,429 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 14:43:34,532 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:43:34,618 INFO L193 MainTranslator]: Completed translation [2018-10-10 14:43:34,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:34 WrapperNode [2018-10-10 14:43:34,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 14:43:34,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 14:43:34,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 14:43:34,619 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 14:43:34,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:34" (1/1) ... [2018-10-10 14:43:34,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:34" (1/1) ... [2018-10-10 14:43:34,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 14:43:34,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 14:43:34,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 14:43:34,710 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 14:43:34,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:34" (1/1) ... [2018-10-10 14:43:34,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:34" (1/1) ... [2018-10-10 14:43:34,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:34" (1/1) ... [2018-10-10 14:43:34,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:34" (1/1) ... [2018-10-10 14:43:34,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:34" (1/1) ... [2018-10-10 14:43:34,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:34" (1/1) ... [2018-10-10 14:43:34,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:34" (1/1) ... [2018-10-10 14:43:34,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 14:43:34,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 14:43:34,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 14:43:34,875 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 14:43:34,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 14:43:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 14:43:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 14:43:37,509 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 14:43:37,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:43:37 BoogieIcfgContainer [2018-10-10 14:43:37,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 14:43:37,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 14:43:37,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 14:43:37,515 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 14:43:37,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 02:43:34" (1/3) ... [2018-10-10 14:43:37,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312026f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:43:37, skipping insertion in model container [2018-10-10 14:43:37,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:34" (2/3) ... [2018-10-10 14:43:37,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312026f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:43:37, skipping insertion in model container [2018-10-10 14:43:37,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:43:37" (3/3) ... [2018-10-10 14:43:37,519 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0217_true-valid-memsafety_false-termination.i [2018-10-10 14:43:37,529 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 14:43:37,540 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-10-10 14:43:37,558 INFO L257 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2018-10-10 14:43:37,586 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 14:43:37,587 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 14:43:37,588 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 14:43:37,588 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 14:43:37,588 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 14:43:37,588 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 14:43:37,589 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 14:43:37,589 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 14:43:37,589 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 14:43:37,624 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states. [2018-10-10 14:43:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-10 14:43:37,633 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:43:37,634 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:43:37,638 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:43:37,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:43:37,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1597552760, now seen corresponding path program 1 times [2018-10-10 14:43:37,647 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:43:37,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:43:37,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:37,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:43:37,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:43:37,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:43:37,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:43:37,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 14:43:37,991 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 14:43:38,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 14:43:38,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-10 14:43:38,011 INFO L87 Difference]: Start difference. First operand 606 states. Second operand 5 states. [2018-10-10 14:43:39,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:43:39,576 INFO L93 Difference]: Finished difference Result 1178 states and 1221 transitions. [2018-10-10 14:43:39,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:43:39,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-10-10 14:43:39,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:43:39,603 INFO L225 Difference]: With dead ends: 1178 [2018-10-10 14:43:39,603 INFO L226 Difference]: Without dead ends: 1162 [2018-10-10 14:43:39,605 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:43:39,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2018-10-10 14:43:39,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 598. [2018-10-10 14:43:39,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2018-10-10 14:43:39,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 619 transitions. [2018-10-10 14:43:39,690 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 619 transitions. Word has length 19 [2018-10-10 14:43:39,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:43:39,691 INFO L481 AbstractCegarLoop]: Abstraction has 598 states and 619 transitions. [2018-10-10 14:43:39,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 14:43:39,691 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 619 transitions. [2018-10-10 14:43:39,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-10 14:43:39,692 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:43:39,692 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 14:43:39,694 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:43:39,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:43:39,695 INFO L82 PathProgramCache]: Analyzing trace with hash 2015472043, now seen corresponding path program 1 times [2018-10-10 14:43:39,695 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:43:39,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:43:39,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:39,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:43:39,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:43:39,855 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 14:43:39,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:43:39,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-10 14:43:39,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 14:43:39,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 14:43:39,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-10 14:43:39,858 INFO L87 Difference]: Start difference. First operand 598 states and 619 transitions. Second operand 7 states. [2018-10-10 14:43:40,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:43:40,914 INFO L93 Difference]: Finished difference Result 908 states and 941 transitions. [2018-10-10 14:43:40,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:43:40,918 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-10-10 14:43:40,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:43:40,922 INFO L225 Difference]: With dead ends: 908 [2018-10-10 14:43:40,923 INFO L226 Difference]: Without dead ends: 908 [2018-10-10 14:43:40,924 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-10-10 14:43:40,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2018-10-10 14:43:40,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 597. [2018-10-10 14:43:40,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2018-10-10 14:43:40,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 618 transitions. [2018-10-10 14:43:40,943 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 618 transitions. Word has length 20 [2018-10-10 14:43:40,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:43:40,943 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 618 transitions. [2018-10-10 14:43:40,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 14:43:40,944 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 618 transitions. [2018-10-10 14:43:40,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-10 14:43:40,945 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:43:40,945 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] [2018-10-10 14:43:40,947 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:43:40,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:43:40,948 INFO L82 PathProgramCache]: Analyzing trace with hash -327165807, now seen corresponding path program 1 times [2018-10-10 14:43:40,948 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:43:40,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:43:40,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:40,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:43:40,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:43:41,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:43:41,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:43:41,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-10 14:43:41,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 14:43:41,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 14:43:41,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-10 14:43:41,105 INFO L87 Difference]: Start difference. First operand 597 states and 618 transitions. Second operand 7 states. [2018-10-10 14:43:41,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:43:41,912 INFO L93 Difference]: Finished difference Result 1187 states and 1232 transitions. [2018-10-10 14:43:41,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:43:41,915 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-10-10 14:43:41,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:43:41,922 INFO L225 Difference]: With dead ends: 1187 [2018-10-10 14:43:41,922 INFO L226 Difference]: Without dead ends: 1187 [2018-10-10 14:43:41,923 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-10-10 14:43:41,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2018-10-10 14:43:41,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 596. [2018-10-10 14:43:41,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2018-10-10 14:43:41,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 617 transitions. [2018-10-10 14:43:41,938 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 617 transitions. Word has length 30 [2018-10-10 14:43:41,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:43:41,939 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 617 transitions. [2018-10-10 14:43:41,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 14:43:41,939 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 617 transitions. [2018-10-10 14:43:41,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-10 14:43:41,941 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:43:41,941 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] [2018-10-10 14:43:41,943 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:43:41,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:43:41,944 INFO L82 PathProgramCache]: Analyzing trace with hash -106410200, now seen corresponding path program 1 times [2018-10-10 14:43:41,944 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:43:41,944 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:43:41,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:41,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:43:41,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:43:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:43:42,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:43:42,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 14:43:42,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 14:43:42,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 14:43:42,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-10 14:43:42,127 INFO L87 Difference]: Start difference. First operand 596 states and 617 transitions. Second operand 5 states. [2018-10-10 14:43:44,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:43:44,254 INFO L93 Difference]: Finished difference Result 1339 states and 1395 transitions. [2018-10-10 14:43:44,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:43:44,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2018-10-10 14:43:44,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:43:44,265 INFO L225 Difference]: With dead ends: 1339 [2018-10-10 14:43:44,265 INFO L226 Difference]: Without dead ends: 1339 [2018-10-10 14:43:44,265 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:43:44,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2018-10-10 14:43:44,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 678. [2018-10-10 14:43:44,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2018-10-10 14:43:44,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 710 transitions. [2018-10-10 14:43:44,288 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 710 transitions. Word has length 54 [2018-10-10 14:43:44,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:43:44,290 INFO L481 AbstractCegarLoop]: Abstraction has 678 states and 710 transitions. [2018-10-10 14:43:44,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 14:43:44,290 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 710 transitions. [2018-10-10 14:43:44,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-10 14:43:44,292 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:43:44,292 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] [2018-10-10 14:43:44,296 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:43:44,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:43:44,297 INFO L82 PathProgramCache]: Analyzing trace with hash 996251823, now seen corresponding path program 1 times [2018-10-10 14:43:44,297 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:43:44,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:43:44,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:44,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:43:44,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:43:44,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:43:44,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:43:44,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-10 14:43:44,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 14:43:44,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 14:43:44,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:43:44,586 INFO L87 Difference]: Start difference. First operand 678 states and 710 transitions. Second operand 8 states. [2018-10-10 14:43:46,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:43:46,385 INFO L93 Difference]: Finished difference Result 1042 states and 1086 transitions. [2018-10-10 14:43:46,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:43:46,386 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2018-10-10 14:43:46,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:43:46,394 INFO L225 Difference]: With dead ends: 1042 [2018-10-10 14:43:46,394 INFO L226 Difference]: Without dead ends: 1042 [2018-10-10 14:43:46,395 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2018-10-10 14:43:46,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2018-10-10 14:43:46,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 893. [2018-10-10 14:43:46,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2018-10-10 14:43:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 963 transitions. [2018-10-10 14:43:46,442 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 963 transitions. Word has length 55 [2018-10-10 14:43:46,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:43:46,443 INFO L481 AbstractCegarLoop]: Abstraction has 893 states and 963 transitions. [2018-10-10 14:43:46,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 14:43:46,443 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 963 transitions. [2018-10-10 14:43:46,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-10 14:43:46,449 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:43:46,449 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] [2018-10-10 14:43:46,454 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:43:46,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:43:46,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1410683375, now seen corresponding path program 1 times [2018-10-10 14:43:46,456 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:43:46,457 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:43:46,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:46,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:43:46,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:43:46,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:43:46,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:43:46,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-10 14:43:46,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 14:43:46,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 14:43:46,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:43:46,743 INFO L87 Difference]: Start difference. First operand 893 states and 963 transitions. Second operand 8 states. [2018-10-10 14:43:47,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:43:47,485 INFO L93 Difference]: Finished difference Result 1041 states and 1085 transitions. [2018-10-10 14:43:47,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:43:47,486 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2018-10-10 14:43:47,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:43:47,491 INFO L225 Difference]: With dead ends: 1041 [2018-10-10 14:43:47,492 INFO L226 Difference]: Without dead ends: 1041 [2018-10-10 14:43:47,493 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2018-10-10 14:43:47,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2018-10-10 14:43:47,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 893. [2018-10-10 14:43:47,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2018-10-10 14:43:47,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 963 transitions. [2018-10-10 14:43:47,509 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 963 transitions. Word has length 55 [2018-10-10 14:43:47,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:43:47,509 INFO L481 AbstractCegarLoop]: Abstraction has 893 states and 963 transitions. [2018-10-10 14:43:47,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 14:43:47,509 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 963 transitions. [2018-10-10 14:43:47,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-10 14:43:47,511 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:43:47,511 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] [2018-10-10 14:43:47,513 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:43:47,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:43:47,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1878892634, now seen corresponding path program 1 times [2018-10-10 14:43:47,513 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:43:47,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:43:47,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:47,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:43:47,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:43:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:43:47,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:43:47,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 14:43:47,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-10 14:43:47,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-10 14:43:47,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 14:43:47,589 INFO L87 Difference]: Start difference. First operand 893 states and 963 transitions. Second operand 3 states. [2018-10-10 14:43:47,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:43:47,770 INFO L93 Difference]: Finished difference Result 1090 states and 1160 transitions. [2018-10-10 14:43:47,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-10 14:43:47,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2018-10-10 14:43:47,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:43:47,776 INFO L225 Difference]: With dead ends: 1090 [2018-10-10 14:43:47,776 INFO L226 Difference]: Without dead ends: 1088 [2018-10-10 14:43:47,777 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 14:43:47,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2018-10-10 14:43:47,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 904. [2018-10-10 14:43:47,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 904 states. [2018-10-10 14:43:47,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 974 transitions. [2018-10-10 14:43:47,792 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 974 transitions. Word has length 67 [2018-10-10 14:43:47,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:43:47,792 INFO L481 AbstractCegarLoop]: Abstraction has 904 states and 974 transitions. [2018-10-10 14:43:47,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-10 14:43:47,792 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 974 transitions. [2018-10-10 14:43:47,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-10 14:43:47,794 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:43:47,794 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 14:43:47,795 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:43:47,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:43:47,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1883837997, now seen corresponding path program 1 times [2018-10-10 14:43:47,796 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:43:47,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:43:47,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:47,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:43:47,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:43:48,459 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2018-10-10 14:43:48,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:43:48,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:43:48,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-10-10 14:43:48,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-10 14:43:48,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-10 14:43:48,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-10-10 14:43:48,771 INFO L87 Difference]: Start difference. First operand 904 states and 974 transitions. Second operand 14 states. [2018-10-10 14:43:50,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:43:50,299 INFO L93 Difference]: Finished difference Result 1740 states and 1843 transitions. [2018-10-10 14:43:50,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-10-10 14:43:50,303 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 68 [2018-10-10 14:43:50,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:43:50,309 INFO L225 Difference]: With dead ends: 1740 [2018-10-10 14:43:50,310 INFO L226 Difference]: Without dead ends: 1723 [2018-10-10 14:43:50,311 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=279, Invalid=777, Unknown=0, NotChecked=0, Total=1056 [2018-10-10 14:43:50,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2018-10-10 14:43:50,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1056. [2018-10-10 14:43:50,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2018-10-10 14:43:50,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1151 transitions. [2018-10-10 14:43:50,330 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1151 transitions. Word has length 68 [2018-10-10 14:43:50,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:43:50,331 INFO L481 AbstractCegarLoop]: Abstraction has 1056 states and 1151 transitions. [2018-10-10 14:43:50,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-10 14:43:50,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1151 transitions. [2018-10-10 14:43:50,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-10 14:43:50,332 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:43:50,332 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 14:43:50,334 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:43:50,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:43:50,334 INFO L82 PathProgramCache]: Analyzing trace with hash 805976211, now seen corresponding path program 1 times [2018-10-10 14:43:50,334 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:43:50,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:43:50,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:50,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:43:50,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:43:50,626 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2018-10-10 14:43:50,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:43:50,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:43:50,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-10 14:43:50,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 14:43:50,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 14:43:50,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:43:50,764 INFO L87 Difference]: Start difference. First operand 1056 states and 1151 transitions. Second operand 9 states. [2018-10-10 14:43:52,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:43:52,154 INFO L93 Difference]: Finished difference Result 1681 states and 1781 transitions. [2018-10-10 14:43:52,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-10 14:43:52,154 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2018-10-10 14:43:52,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:43:52,161 INFO L225 Difference]: With dead ends: 1681 [2018-10-10 14:43:52,161 INFO L226 Difference]: Without dead ends: 1659 [2018-10-10 14:43:52,162 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2018-10-10 14:43:52,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2018-10-10 14:43:52,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1037. [2018-10-10 14:43:52,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1037 states. [2018-10-10 14:43:52,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1131 transitions. [2018-10-10 14:43:52,179 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1131 transitions. Word has length 68 [2018-10-10 14:43:52,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:43:52,179 INFO L481 AbstractCegarLoop]: Abstraction has 1037 states and 1131 transitions. [2018-10-10 14:43:52,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 14:43:52,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1131 transitions. [2018-10-10 14:43:52,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-10 14:43:52,180 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:43:52,181 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] [2018-10-10 14:43:52,182 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:43:52,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:43:52,183 INFO L82 PathProgramCache]: Analyzing trace with hash -454299146, now seen corresponding path program 1 times [2018-10-10 14:43:52,183 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:43:52,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:43:52,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:52,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:43:52,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:43:52,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:43:52,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:43:52,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 14:43:52,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 14:43:52,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 14:43:52,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:43:52,334 INFO L87 Difference]: Start difference. First operand 1037 states and 1131 transitions. Second operand 9 states. [2018-10-10 14:43:55,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:43:55,093 INFO L93 Difference]: Finished difference Result 1763 states and 1891 transitions. [2018-10-10 14:43:55,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-10 14:43:55,094 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2018-10-10 14:43:55,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:43:55,100 INFO L225 Difference]: With dead ends: 1763 [2018-10-10 14:43:55,101 INFO L226 Difference]: Without dead ends: 1763 [2018-10-10 14:43:55,101 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2018-10-10 14:43:55,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2018-10-10 14:43:55,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1081. [2018-10-10 14:43:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2018-10-10 14:43:55,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1179 transitions. [2018-10-10 14:43:55,117 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1179 transitions. Word has length 75 [2018-10-10 14:43:55,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:43:55,118 INFO L481 AbstractCegarLoop]: Abstraction has 1081 states and 1179 transitions. [2018-10-10 14:43:55,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 14:43:55,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1179 transitions. [2018-10-10 14:43:55,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-10 14:43:55,119 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:43:55,119 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 14:43:55,120 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:43:55,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:43:55,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1198371154, now seen corresponding path program 1 times [2018-10-10 14:43:55,121 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:43:55,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:43:55,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:55,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:43:55,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:43:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:43:55,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:43:55,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-10 14:43:55,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-10 14:43:55,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-10 14:43:55,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-10-10 14:43:55,435 INFO L87 Difference]: Start difference. First operand 1081 states and 1179 transitions. Second operand 11 states. [2018-10-10 14:43:56,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:43:56,985 INFO L93 Difference]: Finished difference Result 1370 states and 1450 transitions. [2018-10-10 14:43:56,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-10 14:43:56,986 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 76 [2018-10-10 14:43:56,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:43:56,991 INFO L225 Difference]: With dead ends: 1370 [2018-10-10 14:43:56,991 INFO L226 Difference]: Without dead ends: 1370 [2018-10-10 14:43:56,992 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2018-10-10 14:43:56,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2018-10-10 14:43:57,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1081. [2018-10-10 14:43:57,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2018-10-10 14:43:57,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1168 transitions. [2018-10-10 14:43:57,006 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1168 transitions. Word has length 76 [2018-10-10 14:43:57,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:43:57,007 INFO L481 AbstractCegarLoop]: Abstraction has 1081 states and 1168 transitions. [2018-10-10 14:43:57,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-10 14:43:57,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1168 transitions. [2018-10-10 14:43:57,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-10 14:43:57,008 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:43:57,008 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] [2018-10-10 14:43:57,009 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:43:57,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:43:57,009 INFO L82 PathProgramCache]: Analyzing trace with hash 505645461, now seen corresponding path program 1 times [2018-10-10 14:43:57,009 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:43:57,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:43:57,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:57,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:43:57,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:43:57,397 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 7 [2018-10-10 14:43:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:43:57,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:43:57,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-10 14:43:57,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-10 14:43:57,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-10 14:43:57,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-10-10 14:43:57,656 INFO L87 Difference]: Start difference. First operand 1081 states and 1168 transitions. Second operand 11 states. [2018-10-10 14:43:58,601 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-10-10 14:43:59,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:43:59,345 INFO L93 Difference]: Finished difference Result 1371 states and 1447 transitions. [2018-10-10 14:43:59,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-10 14:43:59,346 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2018-10-10 14:43:59,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:43:59,351 INFO L225 Difference]: With dead ends: 1371 [2018-10-10 14:43:59,351 INFO L226 Difference]: Without dead ends: 1371 [2018-10-10 14:43:59,352 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2018-10-10 14:43:59,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2018-10-10 14:43:59,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1081. [2018-10-10 14:43:59,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2018-10-10 14:43:59,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1162 transitions. [2018-10-10 14:43:59,366 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1162 transitions. Word has length 88 [2018-10-10 14:43:59,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:43:59,367 INFO L481 AbstractCegarLoop]: Abstraction has 1081 states and 1162 transitions. [2018-10-10 14:43:59,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-10 14:43:59,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1162 transitions. [2018-10-10 14:43:59,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-10 14:43:59,368 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:43:59,368 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:43:59,369 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:43:59,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:43:59,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1012527369, now seen corresponding path program 1 times [2018-10-10 14:43:59,369 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:43:59,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:43:59,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:59,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:43:59,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:43:59,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:43:59,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:43:59,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-10 14:43:59,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 14:43:59,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 14:43:59,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:43:59,579 INFO L87 Difference]: Start difference. First operand 1081 states and 1162 transitions. Second operand 9 states. [2018-10-10 14:44:00,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:00,372 INFO L93 Difference]: Finished difference Result 2682 states and 2860 transitions. [2018-10-10 14:44:00,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-10 14:44:00,372 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-10-10 14:44:00,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:00,380 INFO L225 Difference]: With dead ends: 2682 [2018-10-10 14:44:00,380 INFO L226 Difference]: Without dead ends: 2682 [2018-10-10 14:44:00,380 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2018-10-10 14:44:00,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2682 states. [2018-10-10 14:44:00,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2682 to 1116. [2018-10-10 14:44:00,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2018-10-10 14:44:00,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1198 transitions. [2018-10-10 14:44:00,399 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1198 transitions. Word has length 95 [2018-10-10 14:44:00,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:00,400 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1198 transitions. [2018-10-10 14:44:00,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 14:44:00,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1198 transitions. [2018-10-10 14:44:00,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-10 14:44:00,401 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:00,401 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:44:00,402 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:00,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:00,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1205085613, now seen corresponding path program 1 times [2018-10-10 14:44:00,402 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:00,402 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:00,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:00,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:00,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:00,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:44:00,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:00,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-10 14:44:00,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 14:44:00,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 14:44:00,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:44:00,634 INFO L87 Difference]: Start difference. First operand 1116 states and 1198 transitions. Second operand 9 states. [2018-10-10 14:44:00,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:00,947 INFO L93 Difference]: Finished difference Result 2680 states and 2857 transitions. [2018-10-10 14:44:00,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-10 14:44:00,948 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-10-10 14:44:00,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:00,955 INFO L225 Difference]: With dead ends: 2680 [2018-10-10 14:44:00,956 INFO L226 Difference]: Without dead ends: 2680 [2018-10-10 14:44:00,956 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2018-10-10 14:44:00,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2680 states. [2018-10-10 14:44:00,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2680 to 1116. [2018-10-10 14:44:00,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2018-10-10 14:44:00,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1197 transitions. [2018-10-10 14:44:00,974 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1197 transitions. Word has length 95 [2018-10-10 14:44:00,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:00,974 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1197 transitions. [2018-10-10 14:44:00,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 14:44:00,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1197 transitions. [2018-10-10 14:44:00,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-10 14:44:00,975 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:00,976 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:44:00,976 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:00,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:00,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1463727493, now seen corresponding path program 1 times [2018-10-10 14:44:00,977 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:00,977 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:00,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:00,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:00,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:01,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:44:01,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:01,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-10 14:44:01,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-10 14:44:01,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-10 14:44:01,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-10-10 14:44:01,271 INFO L87 Difference]: Start difference. First operand 1116 states and 1197 transitions. Second operand 12 states. [2018-10-10 14:44:04,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:04,506 INFO L93 Difference]: Finished difference Result 2835 states and 2990 transitions. [2018-10-10 14:44:04,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-10 14:44:04,506 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2018-10-10 14:44:04,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:04,514 INFO L225 Difference]: With dead ends: 2835 [2018-10-10 14:44:04,514 INFO L226 Difference]: Without dead ends: 2835 [2018-10-10 14:44:04,515 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=261, Invalid=731, Unknown=0, NotChecked=0, Total=992 [2018-10-10 14:44:04,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2835 states. [2018-10-10 14:44:04,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2835 to 1258. [2018-10-10 14:44:04,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1258 states. [2018-10-10 14:44:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1349 transitions. [2018-10-10 14:44:04,535 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1349 transitions. Word has length 95 [2018-10-10 14:44:04,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:04,535 INFO L481 AbstractCegarLoop]: Abstraction has 1258 states and 1349 transitions. [2018-10-10 14:44:04,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-10 14:44:04,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1349 transitions. [2018-10-10 14:44:04,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-10 14:44:04,537 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:04,537 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:44:04,537 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:04,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:04,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1869087793, now seen corresponding path program 1 times [2018-10-10 14:44:04,538 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:04,538 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:04,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:04,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:04,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:04,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:44:04,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:04,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-10 14:44:04,715 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 14:44:04,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 14:44:04,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:44:04,716 INFO L87 Difference]: Start difference. First operand 1258 states and 1349 transitions. Second operand 9 states. [2018-10-10 14:44:05,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:05,070 INFO L93 Difference]: Finished difference Result 2876 states and 3066 transitions. [2018-10-10 14:44:05,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-10 14:44:05,071 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2018-10-10 14:44:05,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:05,079 INFO L225 Difference]: With dead ends: 2876 [2018-10-10 14:44:05,079 INFO L226 Difference]: Without dead ends: 2876 [2018-10-10 14:44:05,079 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2018-10-10 14:44:05,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2876 states. [2018-10-10 14:44:05,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2876 to 1254. [2018-10-10 14:44:05,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1254 states. [2018-10-10 14:44:05,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1341 transitions. [2018-10-10 14:44:05,097 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1341 transitions. Word has length 96 [2018-10-10 14:44:05,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:05,097 INFO L481 AbstractCegarLoop]: Abstraction has 1254 states and 1341 transitions. [2018-10-10 14:44:05,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 14:44:05,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1341 transitions. [2018-10-10 14:44:05,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-10 14:44:05,098 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:05,098 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:44:05,099 INFO L424 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:05,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:05,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1895613499, now seen corresponding path program 1 times [2018-10-10 14:44:05,099 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:05,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:05,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:05,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:05,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:05,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:44:05,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:05,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-10-10 14:44:05,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-10 14:44:05,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-10 14:44:05,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2018-10-10 14:44:05,830 INFO L87 Difference]: Start difference. First operand 1254 states and 1341 transitions. Second operand 22 states. [2018-10-10 14:44:07,141 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2018-10-10 14:44:12,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:12,883 INFO L93 Difference]: Finished difference Result 2718 states and 2856 transitions. [2018-10-10 14:44:12,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-10-10 14:44:12,884 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 96 [2018-10-10 14:44:12,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:12,895 INFO L225 Difference]: With dead ends: 2718 [2018-10-10 14:44:12,895 INFO L226 Difference]: Without dead ends: 2718 [2018-10-10 14:44:12,896 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=403, Invalid=1667, Unknown=0, NotChecked=0, Total=2070 [2018-10-10 14:44:12,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2018-10-10 14:44:12,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 1314. [2018-10-10 14:44:12,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2018-10-10 14:44:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1406 transitions. [2018-10-10 14:44:12,912 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1406 transitions. Word has length 96 [2018-10-10 14:44:12,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:12,912 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1406 transitions. [2018-10-10 14:44:12,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-10 14:44:12,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1406 transitions. [2018-10-10 14:44:12,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-10 14:44:12,913 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:12,913 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:44:12,914 INFO L424 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:12,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:12,914 INFO L82 PathProgramCache]: Analyzing trace with hash 478741384, now seen corresponding path program 1 times [2018-10-10 14:44:12,915 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:12,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:12,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:12,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:12,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:13,264 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-10-10 14:44:13,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:44:13,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:13,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-10-10 14:44:13,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-10 14:44:13,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-10 14:44:13,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2018-10-10 14:44:13,773 INFO L87 Difference]: Start difference. First operand 1314 states and 1406 transitions. Second operand 20 states. [2018-10-10 14:44:14,625 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-10 14:44:21,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:21,759 INFO L93 Difference]: Finished difference Result 3299 states and 3453 transitions. [2018-10-10 14:44:21,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-10-10 14:44:21,760 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 98 [2018-10-10 14:44:21,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:21,766 INFO L225 Difference]: With dead ends: 3299 [2018-10-10 14:44:21,766 INFO L226 Difference]: Without dead ends: 3299 [2018-10-10 14:44:21,767 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=348, Invalid=1458, Unknown=0, NotChecked=0, Total=1806 [2018-10-10 14:44:21,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3299 states. [2018-10-10 14:44:21,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3299 to 1256. [2018-10-10 14:44:21,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2018-10-10 14:44:21,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1341 transitions. [2018-10-10 14:44:21,786 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1341 transitions. Word has length 98 [2018-10-10 14:44:21,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:21,786 INFO L481 AbstractCegarLoop]: Abstraction has 1256 states and 1341 transitions. [2018-10-10 14:44:21,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-10 14:44:21,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1341 transitions. [2018-10-10 14:44:21,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-10 14:44:21,788 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:21,788 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:44:21,789 INFO L424 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:21,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:21,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1772051532, now seen corresponding path program 1 times [2018-10-10 14:44:21,789 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:21,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:21,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:21,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:21,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:22,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:44:22,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:22,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2018-10-10 14:44:22,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-10 14:44:22,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-10 14:44:22,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2018-10-10 14:44:22,812 INFO L87 Difference]: Start difference. First operand 1256 states and 1341 transitions. Second operand 23 states. [2018-10-10 14:44:23,577 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2018-10-10 14:44:23,847 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2018-10-10 14:44:24,231 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2018-10-10 14:44:24,433 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2018-10-10 14:44:24,615 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2018-10-10 14:44:24,818 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2018-10-10 14:44:24,989 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2018-10-10 14:44:25,133 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2018-10-10 14:44:25,278 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2018-10-10 14:44:25,433 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2018-10-10 14:44:25,723 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2018-10-10 14:44:25,861 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2018-10-10 14:44:25,993 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2018-10-10 14:44:26,129 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2018-10-10 14:44:26,297 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2018-10-10 14:44:26,467 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2018-10-10 14:44:26,635 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2018-10-10 14:44:26,801 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 67 [2018-10-10 14:44:27,752 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2018-10-10 14:44:28,540 WARN L178 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2018-10-10 14:44:28,790 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2018-10-10 14:44:29,184 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2018-10-10 14:44:29,730 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2018-10-10 14:44:31,900 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2018-10-10 14:44:35,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:35,296 INFO L93 Difference]: Finished difference Result 4129 states and 4315 transitions. [2018-10-10 14:44:35,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-10-10 14:44:35,304 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 114 [2018-10-10 14:44:35,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:35,310 INFO L225 Difference]: With dead ends: 4129 [2018-10-10 14:44:35,310 INFO L226 Difference]: Without dead ends: 4129 [2018-10-10 14:44:35,313 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2696 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=1604, Invalid=7138, Unknown=0, NotChecked=0, Total=8742 [2018-10-10 14:44:35,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4129 states. [2018-10-10 14:44:35,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4129 to 1261. [2018-10-10 14:44:35,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1261 states. [2018-10-10 14:44:35,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1346 transitions. [2018-10-10 14:44:35,340 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1346 transitions. Word has length 114 [2018-10-10 14:44:35,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:35,340 INFO L481 AbstractCegarLoop]: Abstraction has 1261 states and 1346 transitions. [2018-10-10 14:44:35,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-10-10 14:44:35,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1346 transitions. [2018-10-10 14:44:35,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-10 14:44:35,342 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:35,342 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:44:35,342 INFO L424 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:35,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:35,343 INFO L82 PathProgramCache]: Analyzing trace with hash 910967516, now seen corresponding path program 1 times [2018-10-10 14:44:35,343 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:35,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:35,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:35,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:35,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:36,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:44:36,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:36,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2018-10-10 14:44:36,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-10 14:44:36,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-10 14:44:36,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2018-10-10 14:44:36,216 INFO L87 Difference]: Start difference. First operand 1261 states and 1346 transitions. Second operand 22 states. [2018-10-10 14:44:37,516 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-10-10 14:44:37,678 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-10-10 14:44:37,993 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2018-10-10 14:44:38,211 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2018-10-10 14:44:38,497 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2018-10-10 14:44:38,738 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2018-10-10 14:44:39,018 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2018-10-10 14:44:39,367 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2018-10-10 14:44:39,806 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2018-10-10 14:44:40,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:40,974 INFO L93 Difference]: Finished difference Result 2139 states and 2241 transitions. [2018-10-10 14:44:40,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-10-10 14:44:40,975 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 117 [2018-10-10 14:44:40,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:40,980 INFO L225 Difference]: With dead ends: 2139 [2018-10-10 14:44:40,980 INFO L226 Difference]: Without dead ends: 2139 [2018-10-10 14:44:40,981 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 0 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=601, Invalid=1849, Unknown=0, NotChecked=0, Total=2450 [2018-10-10 14:44:40,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2018-10-10 14:44:40,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 1332. [2018-10-10 14:44:40,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1332 states. [2018-10-10 14:44:40,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1420 transitions. [2018-10-10 14:44:40,997 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1420 transitions. Word has length 117 [2018-10-10 14:44:40,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:40,997 INFO L481 AbstractCegarLoop]: Abstraction has 1332 states and 1420 transitions. [2018-10-10 14:44:40,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-10 14:44:40,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1420 transitions. [2018-10-10 14:44:40,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-10 14:44:40,998 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:40,998 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:44:40,999 INFO L424 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:40,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:40,999 INFO L82 PathProgramCache]: Analyzing trace with hash 701891321, now seen corresponding path program 1 times [2018-10-10 14:44:40,999 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:40,999 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:41,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:41,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:41,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:41,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:44:41,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:41,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-10-10 14:44:41,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-10 14:44:41,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-10 14:44:41,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2018-10-10 14:44:41,736 INFO L87 Difference]: Start difference. First operand 1332 states and 1420 transitions. Second operand 19 states. [2018-10-10 14:44:42,352 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-10 14:44:43,053 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-10 14:44:43,594 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-10 14:44:44,034 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-10 14:44:45,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:45,981 INFO L93 Difference]: Finished difference Result 2187 states and 2292 transitions. [2018-10-10 14:44:45,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-10-10 14:44:45,981 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 119 [2018-10-10 14:44:45,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:45,985 INFO L225 Difference]: With dead ends: 2187 [2018-10-10 14:44:45,986 INFO L226 Difference]: Without dead ends: 2187 [2018-10-10 14:44:45,987 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=604, Invalid=1748, Unknown=0, NotChecked=0, Total=2352 [2018-10-10 14:44:45,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2018-10-10 14:44:45,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 1336. [2018-10-10 14:44:46,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1336 states. [2018-10-10 14:44:46,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1421 transitions. [2018-10-10 14:44:46,002 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1421 transitions. Word has length 119 [2018-10-10 14:44:46,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:46,002 INFO L481 AbstractCegarLoop]: Abstraction has 1336 states and 1421 transitions. [2018-10-10 14:44:46,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-10 14:44:46,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1421 transitions. [2018-10-10 14:44:46,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-10 14:44:46,003 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:46,004 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:44:46,004 INFO L424 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:46,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:46,004 INFO L82 PathProgramCache]: Analyzing trace with hash 350286767, now seen corresponding path program 1 times [2018-10-10 14:44:46,005 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:46,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:46,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:46,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:46,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:46,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:44:46,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:46,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 14:44:46,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-10 14:44:46,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-10 14:44:46,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 14:44:46,079 INFO L87 Difference]: Start difference. First operand 1336 states and 1421 transitions. Second operand 3 states. [2018-10-10 14:44:46,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:46,194 INFO L93 Difference]: Finished difference Result 1338 states and 1423 transitions. [2018-10-10 14:44:46,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-10 14:44:46,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2018-10-10 14:44:46,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:46,198 INFO L225 Difference]: With dead ends: 1338 [2018-10-10 14:44:46,199 INFO L226 Difference]: Without dead ends: 1338 [2018-10-10 14:44:46,199 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 14:44:46,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338 states. [2018-10-10 14:44:46,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1338 to 1338. [2018-10-10 14:44:46,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1338 states. [2018-10-10 14:44:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1423 transitions. [2018-10-10 14:44:46,210 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1423 transitions. Word has length 129 [2018-10-10 14:44:46,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:46,211 INFO L481 AbstractCegarLoop]: Abstraction has 1338 states and 1423 transitions. [2018-10-10 14:44:46,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-10 14:44:46,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1423 transitions. [2018-10-10 14:44:46,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-10 14:44:46,212 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:46,212 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:44:46,212 INFO L424 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:46,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:46,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1651082938, now seen corresponding path program 1 times [2018-10-10 14:44:46,213 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:46,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:46,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:46,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:46,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:46,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:44:46,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:46,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-10 14:44:46,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:44:46,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:44:46,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:44:46,344 INFO L87 Difference]: Start difference. First operand 1338 states and 1423 transitions. Second operand 6 states. [2018-10-10 14:44:46,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:46,869 INFO L93 Difference]: Finished difference Result 1713 states and 1809 transitions. [2018-10-10 14:44:46,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:44:46,870 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-10-10 14:44:46,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:46,872 INFO L225 Difference]: With dead ends: 1713 [2018-10-10 14:44:46,872 INFO L226 Difference]: Without dead ends: 1713 [2018-10-10 14:44:46,873 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-10 14:44:46,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2018-10-10 14:44:46,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1336. [2018-10-10 14:44:46,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1336 states. [2018-10-10 14:44:46,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1421 transitions. [2018-10-10 14:44:46,884 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1421 transitions. Word has length 129 [2018-10-10 14:44:46,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:46,884 INFO L481 AbstractCegarLoop]: Abstraction has 1336 states and 1421 transitions. [2018-10-10 14:44:46,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:44:46,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1421 transitions. [2018-10-10 14:44:46,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-10 14:44:46,885 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:46,885 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:44:46,886 INFO L424 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:46,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:46,886 INFO L82 PathProgramCache]: Analyzing trace with hash 356036756, now seen corresponding path program 1 times [2018-10-10 14:44:46,886 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:46,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:46,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:46,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:46,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:47,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:44:47,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:47,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 14:44:47,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 14:44:47,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 14:44:47,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:44:47,126 INFO L87 Difference]: Start difference. First operand 1336 states and 1421 transitions. Second operand 9 states. [2018-10-10 14:44:47,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:47,930 INFO L93 Difference]: Finished difference Result 2038 states and 2126 transitions. [2018-10-10 14:44:47,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:44:47,931 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 130 [2018-10-10 14:44:47,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:47,934 INFO L225 Difference]: With dead ends: 2038 [2018-10-10 14:44:47,934 INFO L226 Difference]: Without dead ends: 2038 [2018-10-10 14:44:47,934 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2018-10-10 14:44:47,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2018-10-10 14:44:47,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 1472. [2018-10-10 14:44:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1472 states. [2018-10-10 14:44:47,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1472 states and 1574 transitions. [2018-10-10 14:44:47,949 INFO L78 Accepts]: Start accepts. Automaton has 1472 states and 1574 transitions. Word has length 130 [2018-10-10 14:44:47,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:47,949 INFO L481 AbstractCegarLoop]: Abstraction has 1472 states and 1574 transitions. [2018-10-10 14:44:47,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 14:44:47,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1574 transitions. [2018-10-10 14:44:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-10 14:44:47,951 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:47,951 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:44:47,952 INFO L424 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:47,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:47,952 INFO L82 PathProgramCache]: Analyzing trace with hash -832451102, now seen corresponding path program 1 times [2018-10-10 14:44:47,952 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:47,952 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:47,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:47,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:47,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:48,737 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 16 [2018-10-10 14:44:49,034 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2018-10-10 14:44:49,279 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2018-10-10 14:44:49,724 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:44:49,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:49,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-10-10 14:44:49,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-10 14:44:49,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-10 14:44:49,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2018-10-10 14:44:49,725 INFO L87 Difference]: Start difference. First operand 1472 states and 1574 transitions. Second operand 19 states. [2018-10-10 14:44:50,372 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2018-10-10 14:44:50,610 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2018-10-10 14:44:50,811 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2018-10-10 14:44:51,057 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2018-10-10 14:44:51,293 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2018-10-10 14:44:51,544 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2018-10-10 14:44:51,774 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2018-10-10 14:44:51,945 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2018-10-10 14:44:52,250 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2018-10-10 14:44:52,456 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2018-10-10 14:44:52,602 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2018-10-10 14:44:52,758 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2018-10-10 14:44:52,956 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2018-10-10 14:44:53,218 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2018-10-10 14:44:53,516 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2018-10-10 14:44:53,719 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-10 14:44:54,129 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2018-10-10 14:44:54,635 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-10-10 14:44:54,971 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-10-10 14:44:55,368 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2018-10-10 14:44:56,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:56,157 INFO L93 Difference]: Finished difference Result 3641 states and 3863 transitions. [2018-10-10 14:44:56,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-10-10 14:44:56,158 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 131 [2018-10-10 14:44:56,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:56,165 INFO L225 Difference]: With dead ends: 3641 [2018-10-10 14:44:56,165 INFO L226 Difference]: Without dead ends: 3628 [2018-10-10 14:44:56,166 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=706, Invalid=1844, Unknown=0, NotChecked=0, Total=2550 [2018-10-10 14:44:56,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3628 states. [2018-10-10 14:44:56,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3628 to 1459. [2018-10-10 14:44:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1459 states. [2018-10-10 14:44:56,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 1559 transitions. [2018-10-10 14:44:56,183 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 1559 transitions. Word has length 131 [2018-10-10 14:44:56,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:56,184 INFO L481 AbstractCegarLoop]: Abstraction has 1459 states and 1559 transitions. [2018-10-10 14:44:56,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-10 14:44:56,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 1559 transitions. [2018-10-10 14:44:56,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-10 14:44:56,184 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:56,185 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:44:56,185 INFO L424 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:56,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:56,185 INFO L82 PathProgramCache]: Analyzing trace with hash 129926514, now seen corresponding path program 1 times [2018-10-10 14:44:56,185 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:56,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:56,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:56,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:56,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:56,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:44:56,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:56,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 14:44:56,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 14:44:56,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 14:44:56,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 14:44:56,334 INFO L87 Difference]: Start difference. First operand 1459 states and 1559 transitions. Second operand 4 states. [2018-10-10 14:44:56,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:56,495 INFO L93 Difference]: Finished difference Result 1441 states and 1537 transitions. [2018-10-10 14:44:56,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 14:44:56,495 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2018-10-10 14:44:56,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:56,499 INFO L225 Difference]: With dead ends: 1441 [2018-10-10 14:44:56,499 INFO L226 Difference]: Without dead ends: 1441 [2018-10-10 14:44:56,499 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 14:44:56,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2018-10-10 14:44:56,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1437. [2018-10-10 14:44:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1437 states. [2018-10-10 14:44:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 1533 transitions. [2018-10-10 14:44:56,512 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 1533 transitions. Word has length 131 [2018-10-10 14:44:56,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:56,512 INFO L481 AbstractCegarLoop]: Abstraction has 1437 states and 1533 transitions. [2018-10-10 14:44:56,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 14:44:56,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1533 transitions. [2018-10-10 14:44:56,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-10 14:44:56,514 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:56,514 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:44:56,514 INFO L424 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:56,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:56,515 INFO L82 PathProgramCache]: Analyzing trace with hash -710490217, now seen corresponding path program 1 times [2018-10-10 14:44:56,515 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:56,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:56,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:56,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:56,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:56,847 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 7 [2018-10-10 14:44:56,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:44:56,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:56,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 14:44:56,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 14:44:56,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 14:44:56,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:44:56,955 INFO L87 Difference]: Start difference. First operand 1437 states and 1533 transitions. Second operand 9 states. [2018-10-10 14:44:57,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:57,869 INFO L93 Difference]: Finished difference Result 2002 states and 2084 transitions. [2018-10-10 14:44:57,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:44:57,869 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 132 [2018-10-10 14:44:57,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:57,873 INFO L225 Difference]: With dead ends: 2002 [2018-10-10 14:44:57,874 INFO L226 Difference]: Without dead ends: 2002 [2018-10-10 14:44:57,874 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2018-10-10 14:44:57,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2018-10-10 14:44:57,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1311. [2018-10-10 14:44:57,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1311 states. [2018-10-10 14:44:57,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1392 transitions. [2018-10-10 14:44:57,884 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1392 transitions. Word has length 132 [2018-10-10 14:44:57,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:57,885 INFO L481 AbstractCegarLoop]: Abstraction has 1311 states and 1392 transitions. [2018-10-10 14:44:57,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 14:44:57,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1392 transitions. [2018-10-10 14:44:57,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-10 14:44:57,886 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:57,886 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:44:57,887 INFO L424 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:57,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:57,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1604176503, now seen corresponding path program 1 times [2018-10-10 14:44:57,887 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:57,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:57,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:57,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:57,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:58,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:44:58,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:58,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-10-10 14:44:58,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-10 14:44:58,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-10 14:44:58,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2018-10-10 14:44:58,554 INFO L87 Difference]: Start difference. First operand 1311 states and 1392 transitions. Second operand 17 states. [2018-10-10 14:45:01,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:01,751 INFO L93 Difference]: Finished difference Result 1386 states and 1426 transitions. [2018-10-10 14:45:01,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-10-10 14:45:01,752 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 137 [2018-10-10 14:45:01,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:01,755 INFO L225 Difference]: With dead ends: 1386 [2018-10-10 14:45:01,755 INFO L226 Difference]: Without dead ends: 1386 [2018-10-10 14:45:01,756 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=529, Invalid=1363, Unknown=0, NotChecked=0, Total=1892 [2018-10-10 14:45:01,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2018-10-10 14:45:01,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 806. [2018-10-10 14:45:01,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2018-10-10 14:45:01,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 829 transitions. [2018-10-10 14:45:01,765 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 829 transitions. Word has length 137 [2018-10-10 14:45:01,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:01,765 INFO L481 AbstractCegarLoop]: Abstraction has 806 states and 829 transitions. [2018-10-10 14:45:01,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-10 14:45:01,765 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 829 transitions. [2018-10-10 14:45:01,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-10 14:45:01,766 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:01,767 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:01,767 INFO L424 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:01,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:01,767 INFO L82 PathProgramCache]: Analyzing trace with hash 69583500, now seen corresponding path program 1 times [2018-10-10 14:45:01,768 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:01,768 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:01,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:01,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:01,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:02,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:02,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:02,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2018-10-10 14:45:02,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-10 14:45:02,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-10 14:45:02,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2018-10-10 14:45:02,650 INFO L87 Difference]: Start difference. First operand 806 states and 829 transitions. Second operand 23 states. [2018-10-10 14:45:06,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:06,338 INFO L93 Difference]: Finished difference Result 3272 states and 3375 transitions. [2018-10-10 14:45:06,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-10-10 14:45:06,339 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 139 [2018-10-10 14:45:06,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:06,345 INFO L225 Difference]: With dead ends: 3272 [2018-10-10 14:45:06,345 INFO L226 Difference]: Without dead ends: 3272 [2018-10-10 14:45:06,347 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1349 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1395, Invalid=3861, Unknown=0, NotChecked=0, Total=5256 [2018-10-10 14:45:06,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3272 states. [2018-10-10 14:45:06,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3272 to 903. [2018-10-10 14:45:06,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2018-10-10 14:45:06,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 934 transitions. [2018-10-10 14:45:06,358 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 934 transitions. Word has length 139 [2018-10-10 14:45:06,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:06,359 INFO L481 AbstractCegarLoop]: Abstraction has 903 states and 934 transitions. [2018-10-10 14:45:06,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-10-10 14:45:06,359 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 934 transitions. [2018-10-10 14:45:06,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-10 14:45:06,360 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:06,360 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:06,360 INFO L424 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:06,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:06,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1434312425, now seen corresponding path program 1 times [2018-10-10 14:45:06,360 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:06,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:06,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:06,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:06,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:06,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:06,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-10-10 14:45:06,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-10 14:45:06,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-10 14:45:06,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2018-10-10 14:45:06,983 INFO L87 Difference]: Start difference. First operand 903 states and 934 transitions. Second operand 19 states. [2018-10-10 14:45:08,350 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-10 14:45:08,707 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-10 14:45:08,927 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-10 14:45:09,083 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-10-10 14:45:09,236 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-10 14:45:10,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:10,518 INFO L93 Difference]: Finished difference Result 1385 states and 1427 transitions. [2018-10-10 14:45:10,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-10-10 14:45:10,519 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 141 [2018-10-10 14:45:10,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:10,521 INFO L225 Difference]: With dead ends: 1385 [2018-10-10 14:45:10,521 INFO L226 Difference]: Without dead ends: 1385 [2018-10-10 14:45:10,523 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=461, Invalid=1261, Unknown=0, NotChecked=0, Total=1722 [2018-10-10 14:45:10,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2018-10-10 14:45:10,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 876. [2018-10-10 14:45:10,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2018-10-10 14:45:10,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 907 transitions. [2018-10-10 14:45:10,533 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 907 transitions. Word has length 141 [2018-10-10 14:45:10,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:10,533 INFO L481 AbstractCegarLoop]: Abstraction has 876 states and 907 transitions. [2018-10-10 14:45:10,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-10 14:45:10,533 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 907 transitions. [2018-10-10 14:45:10,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-10 14:45:10,534 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:10,534 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:10,535 INFO L424 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:10,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:10,535 INFO L82 PathProgramCache]: Analyzing trace with hash -634533779, now seen corresponding path program 1 times [2018-10-10 14:45:10,535 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:10,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:10,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:10,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:10,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:11,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:11,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:11,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-10 14:45:11,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-10 14:45:11,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-10 14:45:11,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-10-10 14:45:11,235 INFO L87 Difference]: Start difference. First operand 876 states and 907 transitions. Second operand 10 states. [2018-10-10 14:45:12,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:12,043 INFO L93 Difference]: Finished difference Result 1490 states and 1542 transitions. [2018-10-10 14:45:12,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-10 14:45:12,043 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 142 [2018-10-10 14:45:12,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:12,045 INFO L225 Difference]: With dead ends: 1490 [2018-10-10 14:45:12,045 INFO L226 Difference]: Without dead ends: 1490 [2018-10-10 14:45:12,046 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2018-10-10 14:45:12,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2018-10-10 14:45:12,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1033. [2018-10-10 14:45:12,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1033 states. [2018-10-10 14:45:12,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1080 transitions. [2018-10-10 14:45:12,053 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1080 transitions. Word has length 142 [2018-10-10 14:45:12,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:12,053 INFO L481 AbstractCegarLoop]: Abstraction has 1033 states and 1080 transitions. [2018-10-10 14:45:12,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-10 14:45:12,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1080 transitions. [2018-10-10 14:45:12,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-10 14:45:12,055 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:12,055 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:12,055 INFO L424 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:12,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:12,056 INFO L82 PathProgramCache]: Analyzing trace with hash -155553040, now seen corresponding path program 1 times [2018-10-10 14:45:12,056 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:12,056 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:12,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:12,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:12,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:12,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:12,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:12,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 14:45:12,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 14:45:12,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 14:45:12,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:45:12,474 INFO L87 Difference]: Start difference. First operand 1033 states and 1080 transitions. Second operand 9 states. [2018-10-10 14:45:13,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:13,267 INFO L93 Difference]: Finished difference Result 1489 states and 1540 transitions. [2018-10-10 14:45:13,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:45:13,268 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 144 [2018-10-10 14:45:13,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:13,270 INFO L225 Difference]: With dead ends: 1489 [2018-10-10 14:45:13,270 INFO L226 Difference]: Without dead ends: 1489 [2018-10-10 14:45:13,270 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2018-10-10 14:45:13,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2018-10-10 14:45:13,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 875. [2018-10-10 14:45:13,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2018-10-10 14:45:13,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 905 transitions. [2018-10-10 14:45:13,278 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 905 transitions. Word has length 144 [2018-10-10 14:45:13,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:13,278 INFO L481 AbstractCegarLoop]: Abstraction has 875 states and 905 transitions. [2018-10-10 14:45:13,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 14:45:13,278 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 905 transitions. [2018-10-10 14:45:13,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-10 14:45:13,279 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:13,279 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:13,280 INFO L424 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:13,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:13,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1992244620, now seen corresponding path program 1 times [2018-10-10 14:45:13,280 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:13,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:13,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:13,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:13,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:13,608 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 14:45:13,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:13,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-10 14:45:13,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:45:13,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:45:13,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:45:13,609 INFO L87 Difference]: Start difference. First operand 875 states and 905 transitions. Second operand 6 states. [2018-10-10 14:45:14,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:14,032 INFO L93 Difference]: Finished difference Result 1176 states and 1216 transitions. [2018-10-10 14:45:14,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:45:14,033 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-10-10 14:45:14,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:14,034 INFO L225 Difference]: With dead ends: 1176 [2018-10-10 14:45:14,034 INFO L226 Difference]: Without dead ends: 1176 [2018-10-10 14:45:14,035 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-10 14:45:14,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2018-10-10 14:45:14,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 874. [2018-10-10 14:45:14,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2018-10-10 14:45:14,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 903 transitions. [2018-10-10 14:45:14,042 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 903 transitions. Word has length 153 [2018-10-10 14:45:14,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:14,042 INFO L481 AbstractCegarLoop]: Abstraction has 874 states and 903 transitions. [2018-10-10 14:45:14,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:45:14,042 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 903 transitions. [2018-10-10 14:45:14,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-10 14:45:14,043 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:14,043 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:14,043 INFO L424 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:14,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:14,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1630040748, now seen corresponding path program 1 times [2018-10-10 14:45:14,044 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:14,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:14,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:14,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:14,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:14,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:14,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:14,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-10 14:45:14,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-10 14:45:14,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-10 14:45:14,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-10-10 14:45:14,511 INFO L87 Difference]: Start difference. First operand 874 states and 903 transitions. Second operand 10 states. [2018-10-10 14:45:14,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:14,992 INFO L93 Difference]: Finished difference Result 873 states and 901 transitions. [2018-10-10 14:45:14,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-10 14:45:14,993 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 154 [2018-10-10 14:45:14,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:14,994 INFO L225 Difference]: With dead ends: 873 [2018-10-10 14:45:14,995 INFO L226 Difference]: Without dead ends: 873 [2018-10-10 14:45:14,995 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2018-10-10 14:45:14,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2018-10-10 14:45:15,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 873. [2018-10-10 14:45:15,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 873 states. [2018-10-10 14:45:15,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 901 transitions. [2018-10-10 14:45:15,002 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 901 transitions. Word has length 154 [2018-10-10 14:45:15,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:15,003 INFO L481 AbstractCegarLoop]: Abstraction has 873 states and 901 transitions. [2018-10-10 14:45:15,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-10 14:45:15,003 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 901 transitions. [2018-10-10 14:45:15,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-10 14:45:15,004 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:15,004 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:15,004 INFO L424 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:15,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:15,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1381655861, now seen corresponding path program 1 times [2018-10-10 14:45:15,005 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:15,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:15,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:15,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:15,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:15,333 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 14:45:15,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:15,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-10 14:45:15,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:45:15,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:45:15,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:45:15,334 INFO L87 Difference]: Start difference. First operand 873 states and 901 transitions. Second operand 6 states. [2018-10-10 14:45:16,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:16,300 INFO L93 Difference]: Finished difference Result 1198 states and 1236 transitions. [2018-10-10 14:45:16,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:45:16,305 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2018-10-10 14:45:16,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:16,306 INFO L225 Difference]: With dead ends: 1198 [2018-10-10 14:45:16,306 INFO L226 Difference]: Without dead ends: 1198 [2018-10-10 14:45:16,307 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:45:16,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2018-10-10 14:45:16,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 869. [2018-10-10 14:45:16,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-10-10 14:45:16,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 896 transitions. [2018-10-10 14:45:16,318 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 896 transitions. Word has length 165 [2018-10-10 14:45:16,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:16,318 INFO L481 AbstractCegarLoop]: Abstraction has 869 states and 896 transitions. [2018-10-10 14:45:16,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:45:16,319 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 896 transitions. [2018-10-10 14:45:16,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-10 14:45:16,319 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:16,320 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:16,320 INFO L424 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:16,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:16,320 INFO L82 PathProgramCache]: Analyzing trace with hash 118341628, now seen corresponding path program 1 times [2018-10-10 14:45:16,320 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:16,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:16,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:16,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:16,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:16,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:16,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:16,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-10 14:45:16,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:45:16,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:45:16,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:45:16,684 INFO L87 Difference]: Start difference. First operand 869 states and 896 transitions. Second operand 6 states. [2018-10-10 14:45:17,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:17,321 INFO L93 Difference]: Finished difference Result 894 states and 921 transitions. [2018-10-10 14:45:17,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:45:17,321 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2018-10-10 14:45:17,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:17,322 INFO L225 Difference]: With dead ends: 894 [2018-10-10 14:45:17,322 INFO L226 Difference]: Without dead ends: 894 [2018-10-10 14:45:17,323 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:45:17,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-10-10 14:45:17,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 868. [2018-10-10 14:45:17,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2018-10-10 14:45:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 895 transitions. [2018-10-10 14:45:17,329 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 895 transitions. Word has length 166 [2018-10-10 14:45:17,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:17,329 INFO L481 AbstractCegarLoop]: Abstraction has 868 states and 895 transitions. [2018-10-10 14:45:17,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:45:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 895 transitions. [2018-10-10 14:45:17,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-10 14:45:17,331 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:17,331 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:17,331 INFO L424 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:17,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:17,332 INFO L82 PathProgramCache]: Analyzing trace with hash -478317228, now seen corresponding path program 1 times [2018-10-10 14:45:17,332 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:17,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:17,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:17,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:17,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:18,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:18,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:18,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-10 14:45:18,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-10 14:45:18,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-10 14:45:18,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-10-10 14:45:18,064 INFO L87 Difference]: Start difference. First operand 868 states and 895 transitions. Second operand 10 states. [2018-10-10 14:45:19,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:19,330 INFO L93 Difference]: Finished difference Result 1375 states and 1424 transitions. [2018-10-10 14:45:19,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-10 14:45:19,332 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2018-10-10 14:45:19,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:19,333 INFO L225 Difference]: With dead ends: 1375 [2018-10-10 14:45:19,333 INFO L226 Difference]: Without dead ends: 1375 [2018-10-10 14:45:19,334 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2018-10-10 14:45:19,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2018-10-10 14:45:19,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 867. [2018-10-10 14:45:19,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2018-10-10 14:45:19,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 894 transitions. [2018-10-10 14:45:19,340 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 894 transitions. Word has length 179 [2018-10-10 14:45:19,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:19,340 INFO L481 AbstractCegarLoop]: Abstraction has 867 states and 894 transitions. [2018-10-10 14:45:19,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-10 14:45:19,340 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 894 transitions. [2018-10-10 14:45:19,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-10 14:45:19,341 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:19,341 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:19,342 INFO L424 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:19,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:19,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1942931804, now seen corresponding path program 1 times [2018-10-10 14:45:19,342 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:19,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:19,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:19,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:19,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:19,715 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 7 [2018-10-10 14:45:19,889 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-10-10 14:45:20,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:20,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:20,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-10 14:45:20,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-10 14:45:20,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-10 14:45:20,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-10-10 14:45:20,032 INFO L87 Difference]: Start difference. First operand 867 states and 894 transitions. Second operand 12 states. [2018-10-10 14:45:20,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:20,897 INFO L93 Difference]: Finished difference Result 866 states and 893 transitions. [2018-10-10 14:45:20,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-10 14:45:20,898 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 180 [2018-10-10 14:45:20,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:20,899 INFO L225 Difference]: With dead ends: 866 [2018-10-10 14:45:20,899 INFO L226 Difference]: Without dead ends: 866 [2018-10-10 14:45:20,900 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2018-10-10 14:45:20,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2018-10-10 14:45:20,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2018-10-10 14:45:20,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 866 states. [2018-10-10 14:45:20,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 893 transitions. [2018-10-10 14:45:20,905 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 893 transitions. Word has length 180 [2018-10-10 14:45:20,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:20,905 INFO L481 AbstractCegarLoop]: Abstraction has 866 states and 893 transitions. [2018-10-10 14:45:20,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-10 14:45:20,905 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 893 transitions. [2018-10-10 14:45:20,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-10 14:45:20,906 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:20,906 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:20,907 INFO L424 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:20,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:20,907 INFO L82 PathProgramCache]: Analyzing trace with hash 200064269, now seen corresponding path program 1 times [2018-10-10 14:45:20,907 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:20,908 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:20,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:20,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:20,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:21,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:21,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 14:45:21,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 14:45:21,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 14:45:21,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:45:21,106 INFO L87 Difference]: Start difference. First operand 866 states and 893 transitions. Second operand 9 states. [2018-10-10 14:45:22,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:22,030 INFO L93 Difference]: Finished difference Result 2422 states and 2520 transitions. [2018-10-10 14:45:22,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-10 14:45:22,030 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 191 [2018-10-10 14:45:22,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:22,034 INFO L225 Difference]: With dead ends: 2422 [2018-10-10 14:45:22,034 INFO L226 Difference]: Without dead ends: 2422 [2018-10-10 14:45:22,034 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2018-10-10 14:45:22,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states. [2018-10-10 14:45:22,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 865. [2018-10-10 14:45:22,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2018-10-10 14:45:22,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 892 transitions. [2018-10-10 14:45:22,045 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 892 transitions. Word has length 191 [2018-10-10 14:45:22,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:22,046 INFO L481 AbstractCegarLoop]: Abstraction has 865 states and 892 transitions. [2018-10-10 14:45:22,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 14:45:22,046 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 892 transitions. [2018-10-10 14:45:22,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-10 14:45:22,047 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:22,047 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:22,048 INFO L424 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:22,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:22,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1907025451, now seen corresponding path program 1 times [2018-10-10 14:45:22,048 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:22,048 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:22,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:22,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:22,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:22,537 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2018-10-10 14:45:22,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:22,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:22,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-10-10 14:45:22,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-10 14:45:22,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-10 14:45:22,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2018-10-10 14:45:22,910 INFO L87 Difference]: Start difference. First operand 865 states and 892 transitions. Second operand 19 states. [2018-10-10 14:45:26,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:26,397 INFO L93 Difference]: Finished difference Result 1953 states and 2022 transitions. [2018-10-10 14:45:26,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-10-10 14:45:26,398 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 192 [2018-10-10 14:45:26,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:26,400 INFO L225 Difference]: With dead ends: 1953 [2018-10-10 14:45:26,400 INFO L226 Difference]: Without dead ends: 1953 [2018-10-10 14:45:26,401 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=331, Invalid=1229, Unknown=0, NotChecked=0, Total=1560 [2018-10-10 14:45:26,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2018-10-10 14:45:26,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 951. [2018-10-10 14:45:26,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 951 states. [2018-10-10 14:45:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 981 transitions. [2018-10-10 14:45:26,408 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 981 transitions. Word has length 192 [2018-10-10 14:45:26,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:26,408 INFO L481 AbstractCegarLoop]: Abstraction has 951 states and 981 transitions. [2018-10-10 14:45:26,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-10 14:45:26,408 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 981 transitions. [2018-10-10 14:45:26,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-10 14:45:26,409 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:26,409 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:26,409 INFO L424 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:26,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:26,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1463242795, now seen corresponding path program 1 times [2018-10-10 14:45:26,410 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:26,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:26,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:26,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:26,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:27,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:27,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:27,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 14:45:27,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 14:45:27,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 14:45:27,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:45:27,271 INFO L87 Difference]: Start difference. First operand 951 states and 981 transitions. Second operand 9 states. [2018-10-10 14:45:28,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:28,567 INFO L93 Difference]: Finished difference Result 2237 states and 2319 transitions. [2018-10-10 14:45:28,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-10 14:45:28,568 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 192 [2018-10-10 14:45:28,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:28,571 INFO L225 Difference]: With dead ends: 2237 [2018-10-10 14:45:28,571 INFO L226 Difference]: Without dead ends: 2237 [2018-10-10 14:45:28,571 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=155, Invalid=351, Unknown=0, NotChecked=0, Total=506 [2018-10-10 14:45:28,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2237 states. [2018-10-10 14:45:28,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2237 to 949. [2018-10-10 14:45:28,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2018-10-10 14:45:28,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 978 transitions. [2018-10-10 14:45:28,580 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 978 transitions. Word has length 192 [2018-10-10 14:45:28,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:28,580 INFO L481 AbstractCegarLoop]: Abstraction has 949 states and 978 transitions. [2018-10-10 14:45:28,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 14:45:28,580 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 978 transitions. [2018-10-10 14:45:28,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-10 14:45:28,581 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:28,581 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:28,582 INFO L424 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:28,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:28,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1884113218, now seen corresponding path program 1 times [2018-10-10 14:45:28,582 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:28,582 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:28,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:28,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:28,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:28,972 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2018-10-10 14:45:29,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:29,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:29,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-10-10 14:45:29,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-10 14:45:29,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-10 14:45:29,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2018-10-10 14:45:29,462 INFO L87 Difference]: Start difference. First operand 949 states and 978 transitions. Second operand 19 states. [2018-10-10 14:45:33,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:33,712 INFO L93 Difference]: Finished difference Result 2581 states and 2680 transitions. [2018-10-10 14:45:33,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-10-10 14:45:33,712 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 193 [2018-10-10 14:45:33,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:33,715 INFO L225 Difference]: With dead ends: 2581 [2018-10-10 14:45:33,715 INFO L226 Difference]: Without dead ends: 2581 [2018-10-10 14:45:33,716 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=381, Invalid=1425, Unknown=0, NotChecked=0, Total=1806 [2018-10-10 14:45:33,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2581 states. [2018-10-10 14:45:33,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2581 to 949. [2018-10-10 14:45:33,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2018-10-10 14:45:33,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 977 transitions. [2018-10-10 14:45:33,726 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 977 transitions. Word has length 193 [2018-10-10 14:45:33,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:33,727 INFO L481 AbstractCegarLoop]: Abstraction has 949 states and 977 transitions. [2018-10-10 14:45:33,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-10 14:45:33,727 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 977 transitions. [2018-10-10 14:45:33,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-10 14:45:33,728 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:33,728 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:33,729 INFO L424 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:33,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:33,729 INFO L82 PathProgramCache]: Analyzing trace with hash 367305399, now seen corresponding path program 1 times [2018-10-10 14:45:33,729 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:33,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:33,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:33,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:33,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:33,938 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 3 [2018-10-10 14:45:34,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:34,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:34,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-10 14:45:34,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-10 14:45:34,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-10 14:45:34,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-10-10 14:45:34,270 INFO L87 Difference]: Start difference. First operand 949 states and 977 transitions. Second operand 13 states. [2018-10-10 14:45:35,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:35,914 INFO L93 Difference]: Finished difference Result 2379 states and 2474 transitions. [2018-10-10 14:45:35,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-10-10 14:45:35,914 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 205 [2018-10-10 14:45:35,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:35,917 INFO L225 Difference]: With dead ends: 2379 [2018-10-10 14:45:35,917 INFO L226 Difference]: Without dead ends: 2379 [2018-10-10 14:45:35,918 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=430, Invalid=976, Unknown=0, NotChecked=0, Total=1406 [2018-10-10 14:45:35,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2379 states. [2018-10-10 14:45:35,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2379 to 948. [2018-10-10 14:45:35,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2018-10-10 14:45:35,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 976 transitions. [2018-10-10 14:45:35,927 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 976 transitions. Word has length 205 [2018-10-10 14:45:35,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:35,927 INFO L481 AbstractCegarLoop]: Abstraction has 948 states and 976 transitions. [2018-10-10 14:45:35,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-10 14:45:35,928 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 976 transitions. [2018-10-10 14:45:35,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-10 14:45:35,928 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:35,929 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:35,929 INFO L424 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:35,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:35,930 INFO L82 PathProgramCache]: Analyzing trace with hash 426154567, now seen corresponding path program 1 times [2018-10-10 14:45:35,930 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:35,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:35,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:35,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:35,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:36,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:36,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:36,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-10 14:45:36,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-10 14:45:36,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-10 14:45:36,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-10-10 14:45:36,218 INFO L87 Difference]: Start difference. First operand 948 states and 976 transitions. Second operand 11 states. [2018-10-10 14:45:37,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:37,707 INFO L93 Difference]: Finished difference Result 2618 states and 2717 transitions. [2018-10-10 14:45:37,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-10-10 14:45:37,707 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 224 [2018-10-10 14:45:37,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:37,710 INFO L225 Difference]: With dead ends: 2618 [2018-10-10 14:45:37,710 INFO L226 Difference]: Without dead ends: 2618 [2018-10-10 14:45:37,710 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=510, Invalid=1382, Unknown=0, NotChecked=0, Total=1892 [2018-10-10 14:45:37,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2618 states. [2018-10-10 14:45:37,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2618 to 1030. [2018-10-10 14:45:37,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1030 states. [2018-10-10 14:45:37,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1069 transitions. [2018-10-10 14:45:37,719 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1069 transitions. Word has length 224 [2018-10-10 14:45:37,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:37,720 INFO L481 AbstractCegarLoop]: Abstraction has 1030 states and 1069 transitions. [2018-10-10 14:45:37,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-10 14:45:37,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1069 transitions. [2018-10-10 14:45:37,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-10 14:45:37,721 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:37,721 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:37,721 INFO L424 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:37,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:37,722 INFO L82 PathProgramCache]: Analyzing trace with hash 325890416, now seen corresponding path program 1 times [2018-10-10 14:45:37,722 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:37,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:37,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:37,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:37,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:38,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:38,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:38,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-10-10 14:45:38,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-10 14:45:38,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-10 14:45:38,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-10-10 14:45:38,359 INFO L87 Difference]: Start difference. First operand 1030 states and 1069 transitions. Second operand 15 states. [2018-10-10 14:45:40,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:40,977 INFO L93 Difference]: Finished difference Result 1975 states and 2056 transitions. [2018-10-10 14:45:40,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-10-10 14:45:40,978 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 225 [2018-10-10 14:45:40,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:40,980 INFO L225 Difference]: With dead ends: 1975 [2018-10-10 14:45:40,980 INFO L226 Difference]: Without dead ends: 1975 [2018-10-10 14:45:40,981 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=681, Invalid=1575, Unknown=0, NotChecked=0, Total=2256 [2018-10-10 14:45:40,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2018-10-10 14:45:40,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1037. [2018-10-10 14:45:40,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1037 states. [2018-10-10 14:45:40,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1077 transitions. [2018-10-10 14:45:40,992 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1077 transitions. Word has length 225 [2018-10-10 14:45:40,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:40,992 INFO L481 AbstractCegarLoop]: Abstraction has 1037 states and 1077 transitions. [2018-10-10 14:45:40,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-10 14:45:40,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1077 transitions. [2018-10-10 14:45:40,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-10 14:45:40,994 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:40,994 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:40,994 INFO L424 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:40,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:40,995 INFO L82 PathProgramCache]: Analyzing trace with hash 740321968, now seen corresponding path program 1 times [2018-10-10 14:45:40,995 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:40,995 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:40,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:40,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:40,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:41,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:41,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:41,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-10-10 14:45:41,504 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-10 14:45:41,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-10 14:45:41,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-10-10 14:45:41,505 INFO L87 Difference]: Start difference. First operand 1037 states and 1077 transitions. Second operand 15 states. [2018-10-10 14:45:43,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:43,909 INFO L93 Difference]: Finished difference Result 1973 states and 2054 transitions. [2018-10-10 14:45:43,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-10-10 14:45:43,909 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 225 [2018-10-10 14:45:43,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:43,912 INFO L225 Difference]: With dead ends: 1973 [2018-10-10 14:45:43,912 INFO L226 Difference]: Without dead ends: 1973 [2018-10-10 14:45:43,913 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=702, Invalid=1554, Unknown=0, NotChecked=0, Total=2256 [2018-10-10 14:45:43,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2018-10-10 14:45:43,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1029. [2018-10-10 14:45:43,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1029 states. [2018-10-10 14:45:43,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1068 transitions. [2018-10-10 14:45:43,925 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1068 transitions. Word has length 225 [2018-10-10 14:45:43,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:43,925 INFO L481 AbstractCegarLoop]: Abstraction has 1029 states and 1068 transitions. [2018-10-10 14:45:43,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-10 14:45:43,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1068 transitions. [2018-10-10 14:45:43,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-10 14:45:43,926 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:43,927 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:43,927 INFO L424 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:43,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:43,927 INFO L82 PathProgramCache]: Analyzing trace with hash -2013997472, now seen corresponding path program 1 times [2018-10-10 14:45:43,928 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:43,928 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:43,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:43,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:43,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:44,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:44,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:44,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-10-10 14:45:44,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-10 14:45:44,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-10 14:45:44,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2018-10-10 14:45:44,450 INFO L87 Difference]: Start difference. First operand 1029 states and 1068 transitions. Second operand 15 states. [2018-10-10 14:45:47,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:47,318 INFO L93 Difference]: Finished difference Result 2676 states and 2775 transitions. [2018-10-10 14:45:47,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-10-10 14:45:47,318 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 233 [2018-10-10 14:45:47,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:47,321 INFO L225 Difference]: With dead ends: 2676 [2018-10-10 14:45:47,321 INFO L226 Difference]: Without dead ends: 2676 [2018-10-10 14:45:47,322 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1172 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1075, Invalid=2957, Unknown=0, NotChecked=0, Total=4032 [2018-10-10 14:45:47,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2018-10-10 14:45:47,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 1073. [2018-10-10 14:45:47,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1073 states. [2018-10-10 14:45:47,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1116 transitions. [2018-10-10 14:45:47,331 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1116 transitions. Word has length 233 [2018-10-10 14:45:47,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:47,331 INFO L481 AbstractCegarLoop]: Abstraction has 1073 states and 1116 transitions. [2018-10-10 14:45:47,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-10 14:45:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1116 transitions. [2018-10-10 14:45:47,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-10 14:45:47,332 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:47,333 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:47,333 INFO L424 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:47,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:47,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1990588292, now seen corresponding path program 1 times [2018-10-10 14:45:47,333 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:47,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:47,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:47,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:47,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:47,910 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 9 [2018-10-10 14:45:48,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:48,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:48,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-10-10 14:45:48,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-10 14:45:48,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-10 14:45:48,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2018-10-10 14:45:48,356 INFO L87 Difference]: Start difference. First operand 1073 states and 1116 transitions. Second operand 18 states. [2018-10-10 14:45:50,034 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2018-10-10 14:45:53,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:53,469 INFO L93 Difference]: Finished difference Result 2213 states and 2308 transitions. [2018-10-10 14:45:53,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-10-10 14:45:53,470 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 234 [2018-10-10 14:45:53,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:53,472 INFO L225 Difference]: With dead ends: 2213 [2018-10-10 14:45:53,472 INFO L226 Difference]: Without dead ends: 2213 [2018-10-10 14:45:53,474 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=1256, Invalid=3714, Unknown=0, NotChecked=0, Total=4970 [2018-10-10 14:45:53,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2018-10-10 14:45:53,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 1069. [2018-10-10 14:45:53,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1069 states. [2018-10-10 14:45:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1109 transitions. [2018-10-10 14:45:53,483 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1109 transitions. Word has length 234 [2018-10-10 14:45:53,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:53,483 INFO L481 AbstractCegarLoop]: Abstraction has 1069 states and 1109 transitions. [2018-10-10 14:45:53,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-10 14:45:53,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1109 transitions. [2018-10-10 14:45:53,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-10 14:45:53,484 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:53,484 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:45:53,485 INFO L424 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:53,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:53,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1460887653, now seen corresponding path program 1 times [2018-10-10 14:45:53,485 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:53,485 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:53,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:53,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:53,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:55,721 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:45:55,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:55,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2018-10-10 14:45:55,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-10-10 14:45:55,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-10-10 14:45:55,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2018-10-10 14:45:55,722 INFO L87 Difference]: Start difference. First operand 1069 states and 1109 transitions. Second operand 31 states. [2018-10-10 14:45:56,670 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2018-10-10 14:45:56,850 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2018-10-10 14:45:57,056 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2018-10-10 14:45:57,280 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 77 [2018-10-10 14:45:57,511 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2018-10-10 14:45:57,721 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 75 [2018-10-10 14:46:00,474 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2018-10-10 14:46:03,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:46:03,824 INFO L93 Difference]: Finished difference Result 2020 states and 2091 transitions. [2018-10-10 14:46:03,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-10-10 14:46:03,824 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 237 [2018-10-10 14:46:03,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:46:03,827 INFO L225 Difference]: With dead ends: 2020 [2018-10-10 14:46:03,827 INFO L226 Difference]: Without dead ends: 2020 [2018-10-10 14:46:03,827 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 925 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=583, Invalid=3707, Unknown=0, NotChecked=0, Total=4290 [2018-10-10 14:46:03,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2020 states. [2018-10-10 14:46:03,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2020 to 1189. [2018-10-10 14:46:03,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1189 states. [2018-10-10 14:46:03,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1230 transitions. [2018-10-10 14:46:03,836 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1230 transitions. Word has length 237 [2018-10-10 14:46:03,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:46:03,837 INFO L481 AbstractCegarLoop]: Abstraction has 1189 states and 1230 transitions. [2018-10-10 14:46:03,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-10-10 14:46:03,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1230 transitions. [2018-10-10 14:46:03,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-10-10 14:46:03,838 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:46:03,838 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:46:03,838 INFO L424 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:46:03,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:46:03,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1812200632, now seen corresponding path program 1 times [2018-10-10 14:46:03,839 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:46:03,839 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:46:03,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:46:03,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:46:03,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:46:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:46:05,674 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:46:05,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:46:05,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2018-10-10 14:46:05,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-10-10 14:46:05,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-10-10 14:46:05,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2018-10-10 14:46:05,675 INFO L87 Difference]: Start difference. First operand 1189 states and 1230 transitions. Second operand 35 states. [2018-10-10 14:46:07,697 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2018-10-10 14:46:08,780 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2018-10-10 14:46:08,998 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2018-10-10 14:46:09,243 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2018-10-10 14:46:09,831 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2018-10-10 14:46:10,070 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-10-10 14:46:10,299 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2018-10-10 14:46:10,486 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-10-10 14:46:10,734 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2018-10-10 14:46:11,071 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 99 [2018-10-10 14:46:11,341 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2018-10-10 14:46:15,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:46:15,630 INFO L93 Difference]: Finished difference Result 3082 states and 3191 transitions. [2018-10-10 14:46:15,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-10-10 14:46:15,630 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 239 [2018-10-10 14:46:15,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:46:15,634 INFO L225 Difference]: With dead ends: 3082 [2018-10-10 14:46:15,634 INFO L226 Difference]: Without dead ends: 3082 [2018-10-10 14:46:15,635 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 0 SyntacticMatches, 5 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=1038, Invalid=5282, Unknown=0, NotChecked=0, Total=6320 [2018-10-10 14:46:15,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3082 states. [2018-10-10 14:46:15,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3082 to 1188. [2018-10-10 14:46:15,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1188 states. [2018-10-10 14:46:15,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1228 transitions. [2018-10-10 14:46:15,649 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1228 transitions. Word has length 239 [2018-10-10 14:46:15,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:46:15,649 INFO L481 AbstractCegarLoop]: Abstraction has 1188 states and 1228 transitions. [2018-10-10 14:46:15,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-10-10 14:46:15,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1228 transitions. [2018-10-10 14:46:15,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-10 14:46:15,651 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:46:15,651 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:46:15,651 INFO L424 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:46:15,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:46:15,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1271617003, now seen corresponding path program 1 times [2018-10-10 14:46:15,652 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:46:15,652 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:46:15,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:46:15,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:46:15,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:46:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:46:16,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:46:16,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:46:16,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2018-10-10 14:46:16,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-10-10 14:46:16,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-10-10 14:46:16,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=860, Unknown=0, NotChecked=0, Total=930 [2018-10-10 14:46:16,816 INFO L87 Difference]: Start difference. First operand 1188 states and 1228 transitions. Second operand 31 states. [2018-10-10 14:46:18,815 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2018-10-10 14:46:23,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:46:23,323 INFO L93 Difference]: Finished difference Result 2556 states and 2641 transitions. [2018-10-10 14:46:23,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-10-10 14:46:23,324 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 247 [2018-10-10 14:46:23,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:46:23,326 INFO L225 Difference]: With dead ends: 2556 [2018-10-10 14:46:23,327 INFO L226 Difference]: Without dead ends: 2556 [2018-10-10 14:46:23,327 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=797, Invalid=4033, Unknown=0, NotChecked=0, Total=4830 [2018-10-10 14:46:23,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2556 states. [2018-10-10 14:46:23,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2556 to 1187. [2018-10-10 14:46:23,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1187 states. [2018-10-10 14:46:23,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1226 transitions. [2018-10-10 14:46:23,337 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1226 transitions. Word has length 247 [2018-10-10 14:46:23,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:46:23,337 INFO L481 AbstractCegarLoop]: Abstraction has 1187 states and 1226 transitions. [2018-10-10 14:46:23,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-10-10 14:46:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1226 transitions. [2018-10-10 14:46:23,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-10 14:46:23,339 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:46:23,339 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:46:23,340 INFO L424 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:46:23,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:46:23,340 INFO L82 PathProgramCache]: Analyzing trace with hash -240251086, now seen corresponding path program 1 times [2018-10-10 14:46:23,340 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:46:23,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:46:23,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:46:23,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:46:23,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:46:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:46:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:46:24,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:46:24,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2018-10-10 14:46:24,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-10 14:46:24,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-10 14:46:24,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2018-10-10 14:46:24,175 INFO L87 Difference]: Start difference. First operand 1187 states and 1226 transitions. Second operand 22 states. [2018-10-10 14:46:27,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:46:27,012 INFO L93 Difference]: Finished difference Result 2333 states and 2424 transitions. [2018-10-10 14:46:27,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-10-10 14:46:27,012 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 249 [2018-10-10 14:46:27,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:46:27,015 INFO L225 Difference]: With dead ends: 2333 [2018-10-10 14:46:27,015 INFO L226 Difference]: Without dead ends: 2333 [2018-10-10 14:46:27,016 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 807 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1088, Invalid=2694, Unknown=0, NotChecked=0, Total=3782 [2018-10-10 14:46:27,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2333 states. [2018-10-10 14:46:27,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2333 to 1464. [2018-10-10 14:46:27,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1464 states. [2018-10-10 14:46:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 1537 transitions. [2018-10-10 14:46:27,027 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 1537 transitions. Word has length 249 [2018-10-10 14:46:27,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:46:27,027 INFO L481 AbstractCegarLoop]: Abstraction has 1464 states and 1537 transitions. [2018-10-10 14:46:27,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-10 14:46:27,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1537 transitions. [2018-10-10 14:46:27,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-10 14:46:27,029 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:46:27,029 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:46:27,030 INFO L424 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:46:27,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:46:27,030 INFO L82 PathProgramCache]: Analyzing trace with hash -430577550, now seen corresponding path program 1 times [2018-10-10 14:46:27,030 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:46:27,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:46:27,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:46:27,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:46:27,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:46:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:46:27,868 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:46:27,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:46:27,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-10-10 14:46:27,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-10 14:46:27,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-10 14:46:27,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2018-10-10 14:46:27,870 INFO L87 Difference]: Start difference. First operand 1464 states and 1537 transitions. Second operand 16 states. [2018-10-10 14:46:31,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:46:31,236 INFO L93 Difference]: Finished difference Result 2939 states and 3081 transitions. [2018-10-10 14:46:31,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-10-10 14:46:31,236 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 249 [2018-10-10 14:46:31,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:46:31,239 INFO L225 Difference]: With dead ends: 2939 [2018-10-10 14:46:31,239 INFO L226 Difference]: Without dead ends: 2939 [2018-10-10 14:46:31,239 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 643 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=575, Invalid=2077, Unknown=0, NotChecked=0, Total=2652 [2018-10-10 14:46:31,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2939 states. [2018-10-10 14:46:31,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2939 to 1712. [2018-10-10 14:46:31,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1712 states. [2018-10-10 14:46:31,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 1816 transitions. [2018-10-10 14:46:31,252 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 1816 transitions. Word has length 249 [2018-10-10 14:46:31,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:46:31,252 INFO L481 AbstractCegarLoop]: Abstraction has 1712 states and 1816 transitions. [2018-10-10 14:46:31,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-10 14:46:31,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 1816 transitions. [2018-10-10 14:46:31,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-10 14:46:31,254 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:46:31,254 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:46:31,254 INFO L424 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:46:31,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:46:31,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1142183419, now seen corresponding path program 1 times [2018-10-10 14:46:31,254 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:46:31,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:46:31,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:46:31,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:46:31,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:46:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:46:31,856 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-10-10 14:46:32,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:46:32,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:46:32,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2018-10-10 14:46:32,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-10 14:46:32,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-10 14:46:32,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2018-10-10 14:46:32,570 INFO L87 Difference]: Start difference. First operand 1712 states and 1816 transitions. Second operand 23 states. [2018-10-10 14:46:36,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:46:36,868 INFO L93 Difference]: Finished difference Result 2400 states and 2528 transitions. [2018-10-10 14:46:36,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-10-10 14:46:36,868 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 250 [2018-10-10 14:46:36,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:46:36,871 INFO L225 Difference]: With dead ends: 2400 [2018-10-10 14:46:36,871 INFO L226 Difference]: Without dead ends: 2400 [2018-10-10 14:46:36,871 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=977, Invalid=2445, Unknown=0, NotChecked=0, Total=3422 [2018-10-10 14:46:36,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2400 states. [2018-10-10 14:46:36,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2400 to 1740. [2018-10-10 14:46:36,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1740 states. [2018-10-10 14:46:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 1846 transitions. [2018-10-10 14:46:36,883 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 1846 transitions. Word has length 250 [2018-10-10 14:46:36,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:46:36,884 INFO L481 AbstractCegarLoop]: Abstraction has 1740 states and 1846 transitions. [2018-10-10 14:46:36,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-10-10 14:46:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 1846 transitions. [2018-10-10 14:46:36,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-10 14:46:36,885 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:46:36,885 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:46:36,885 INFO L424 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:46:36,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:46:36,886 INFO L82 PathProgramCache]: Analyzing trace with hash -462969669, now seen corresponding path program 1 times [2018-10-10 14:46:36,886 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:46:36,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:46:36,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:46:36,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:46:36,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:46:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:46:38,464 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:46:38,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:46:38,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2018-10-10 14:46:38,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-10-10 14:46:38,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-10-10 14:46:38,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=935, Unknown=0, NotChecked=0, Total=1056 [2018-10-10 14:46:38,465 INFO L87 Difference]: Start difference. First operand 1740 states and 1846 transitions. Second operand 33 states. [2018-10-10 14:46:40,237 WARN L178 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-10-10 14:46:40,623 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2018-10-10 14:46:40,850 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2018-10-10 14:46:41,043 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-10-10 14:46:44,796 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2018-10-10 14:46:45,056 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2018-10-10 14:46:45,256 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2018-10-10 14:46:45,477 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2018-10-10 14:46:45,738 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2018-10-10 14:46:46,060 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2018-10-10 14:46:46,964 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2018-10-10 14:46:47,282 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2018-10-10 14:46:47,498 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2018-10-10 14:46:47,709 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2018-10-10 14:46:48,164 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2018-10-10 14:46:48,594 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2018-10-10 14:46:49,111 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2018-10-10 14:46:49,550 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2018-10-10 14:46:50,634 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2018-10-10 14:46:50,911 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2018-10-10 14:46:52,187 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2018-10-10 14:46:52,382 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2018-10-10 14:46:53,159 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2018-10-10 14:46:55,858 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2018-10-10 14:46:56,386 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2018-10-10 14:47:07,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:47:07,606 INFO L93 Difference]: Finished difference Result 6570 states and 6952 transitions. [2018-10-10 14:47:07,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-10-10 14:47:07,607 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 250 [2018-10-10 14:47:07,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:47:07,611 INFO L225 Difference]: With dead ends: 6570 [2018-10-10 14:47:07,611 INFO L226 Difference]: Without dead ends: 6570 [2018-10-10 14:47:07,613 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11507 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=7637, Invalid=24943, Unknown=0, NotChecked=0, Total=32580 [2018-10-10 14:47:07,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6570 states. [2018-10-10 14:47:07,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6570 to 2199. [2018-10-10 14:47:07,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2199 states. [2018-10-10 14:47:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 2199 states and 2351 transitions. [2018-10-10 14:47:07,640 INFO L78 Accepts]: Start accepts. Automaton has 2199 states and 2351 transitions. Word has length 250 [2018-10-10 14:47:07,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:47:07,640 INFO L481 AbstractCegarLoop]: Abstraction has 2199 states and 2351 transitions. [2018-10-10 14:47:07,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-10-10 14:47:07,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2199 states and 2351 transitions. [2018-10-10 14:47:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-10 14:47:07,641 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:47:07,641 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:47:07,642 INFO L424 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:47:07,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:47:07,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1047948372, now seen corresponding path program 1 times [2018-10-10 14:47:07,642 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:47:07,642 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:47:07,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:47:07,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:47:07,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:47:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:47:08,885 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:47:08,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:47:08,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2018-10-10 14:47:08,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-10-10 14:47:08,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-10-10 14:47:08,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2018-10-10 14:47:08,886 INFO L87 Difference]: Start difference. First operand 2199 states and 2351 transitions. Second operand 26 states. [2018-10-10 14:47:11,018 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2018-10-10 14:47:11,377 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-10 14:47:11,556 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-10-10 14:47:11,780 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-10 14:47:11,973 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-10-10 14:47:12,171 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-10-10 14:47:13,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:47:13,770 INFO L93 Difference]: Finished difference Result 2830 states and 2988 transitions. [2018-10-10 14:47:13,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-10-10 14:47:13,770 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 251 [2018-10-10 14:47:13,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:47:13,773 INFO L225 Difference]: With dead ends: 2830 [2018-10-10 14:47:13,773 INFO L226 Difference]: Without dead ends: 2830 [2018-10-10 14:47:13,774 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 693 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=999, Invalid=2661, Unknown=0, NotChecked=0, Total=3660 [2018-10-10 14:47:13,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2018-10-10 14:47:13,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2253. [2018-10-10 14:47:13,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2253 states. [2018-10-10 14:47:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 2407 transitions. [2018-10-10 14:47:13,791 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 2407 transitions. Word has length 251 [2018-10-10 14:47:13,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:47:13,791 INFO L481 AbstractCegarLoop]: Abstraction has 2253 states and 2407 transitions. [2018-10-10 14:47:13,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-10-10 14:47:13,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 2407 transitions. [2018-10-10 14:47:13,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-10 14:47:13,793 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:47:13,793 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:47:13,794 INFO L424 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:47:13,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:47:13,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1467157100, now seen corresponding path program 1 times [2018-10-10 14:47:13,794 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:47:13,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:47:13,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:47:13,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:47:13,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:47:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:47:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:47:16,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:47:16,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2018-10-10 14:47:16,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-10-10 14:47:16,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-10-10 14:47:16,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1123, Unknown=0, NotChecked=0, Total=1260 [2018-10-10 14:47:16,104 INFO L87 Difference]: Start difference. First operand 2253 states and 2407 transitions. Second operand 36 states. [2018-10-10 14:47:17,671 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2018-10-10 14:47:17,880 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2018-10-10 14:47:18,096 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-10-10 14:47:18,281 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-10-10 14:47:20,825 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2018-10-10 14:47:21,075 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2018-10-10 14:47:21,395 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2018-10-10 14:47:21,666 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2018-10-10 14:47:22,122 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2018-10-10 14:47:22,457 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2018-10-10 14:47:22,815 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2018-10-10 14:47:23,149 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 110 [2018-10-10 14:47:23,556 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2018-10-10 14:47:24,306 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 126 [2018-10-10 14:47:24,695 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 132 [2018-10-10 14:47:25,200 WARN L178 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 138 [2018-10-10 14:47:25,642 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 132 [2018-10-10 14:47:26,269 WARN L178 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2018-10-10 14:47:26,929 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 125 [2018-10-10 14:47:27,361 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2018-10-10 14:47:28,001 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 119 [2018-10-10 14:47:31,614 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2018-10-10 14:47:32,744 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2018-10-10 14:47:33,098 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-10 14:47:33,374 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-10-10 14:47:33,718 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-10-10 14:47:34,452 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-10 14:47:34,703 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-10-10 14:47:35,117 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-10 14:47:35,472 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-10-10 14:47:35,782 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-10 14:47:36,101 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-10 14:47:36,505 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-10 14:47:37,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:47:37,712 INFO L93 Difference]: Finished difference Result 6526 states and 6885 transitions. [2018-10-10 14:47:37,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-10-10 14:47:37,713 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 251 [2018-10-10 14:47:37,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:47:37,718 INFO L225 Difference]: With dead ends: 6526 [2018-10-10 14:47:37,719 INFO L226 Difference]: Without dead ends: 6526 [2018-10-10 14:47:37,719 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3994 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=3585, Invalid=10695, Unknown=0, NotChecked=0, Total=14280 [2018-10-10 14:47:37,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6526 states. [2018-10-10 14:47:37,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6526 to 2576. [2018-10-10 14:47:37,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2576 states. [2018-10-10 14:47:37,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 2576 states and 2776 transitions. [2018-10-10 14:47:37,748 INFO L78 Accepts]: Start accepts. Automaton has 2576 states and 2776 transitions. Word has length 251 [2018-10-10 14:47:37,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:47:37,748 INFO L481 AbstractCegarLoop]: Abstraction has 2576 states and 2776 transitions. [2018-10-10 14:47:37,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-10-10 14:47:37,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2576 states and 2776 transitions. [2018-10-10 14:47:37,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-10-10 14:47:37,750 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:47:37,750 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:47:37,750 INFO L424 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:47:37,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:47:37,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1812077647, now seen corresponding path program 1 times [2018-10-10 14:47:37,751 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:47:37,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:47:37,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:47:37,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:47:37,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:47:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:47:38,152 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 3 [2018-10-10 14:47:38,983 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:47:38,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:47:38,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2018-10-10 14:47:38,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-10 14:47:38,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-10 14:47:38,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2018-10-10 14:47:38,984 INFO L87 Difference]: Start difference. First operand 2576 states and 2776 transitions. Second operand 25 states. [2018-10-10 14:47:41,345 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2018-10-10 14:47:41,509 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2018-10-10 14:47:41,988 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2018-10-10 14:47:42,178 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2018-10-10 14:47:42,363 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2018-10-10 14:47:42,598 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2018-10-10 14:47:45,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:47:45,285 INFO L93 Difference]: Finished difference Result 4815 states and 5122 transitions. [2018-10-10 14:47:45,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-10-10 14:47:45,285 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 257 [2018-10-10 14:47:45,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:47:45,289 INFO L225 Difference]: With dead ends: 4815 [2018-10-10 14:47:45,289 INFO L226 Difference]: Without dead ends: 4815 [2018-10-10 14:47:45,290 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1854 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=1915, Invalid=5567, Unknown=0, NotChecked=0, Total=7482 [2018-10-10 14:47:45,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4815 states. [2018-10-10 14:47:45,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4815 to 2921. [2018-10-10 14:47:45,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2921 states. [2018-10-10 14:47:45,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 3160 transitions. [2018-10-10 14:47:45,314 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 3160 transitions. Word has length 257 [2018-10-10 14:47:45,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:47:45,314 INFO L481 AbstractCegarLoop]: Abstraction has 2921 states and 3160 transitions. [2018-10-10 14:47:45,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-10 14:47:45,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 3160 transitions. [2018-10-10 14:47:45,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-10-10 14:47:45,315 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:47:45,315 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:47:45,316 INFO L424 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:47:45,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:47:45,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1621751183, now seen corresponding path program 1 times [2018-10-10 14:47:45,316 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:47:45,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:47:45,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:47:45,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:47:45,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:47:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:47:45,925 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2018-10-10 14:47:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:47:46,642 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:47:46,642 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:47:46,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:47:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:47:46,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:47:47,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-10-10 14:47:47,547 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-10 14:47:47,547 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-10 14:47:47,573 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:47:47,645 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:47:47,645 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:18, output treesize:10 [2018-10-10 14:47:48,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-10-10 14:47:48,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-10-10 14:47:48,184 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-10 14:47:48,208 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:47:48,236 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:47:48,236 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2018-10-10 14:47:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:47:48,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-10 14:47:48,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [21] total 31 [2018-10-10 14:47:48,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-10-10 14:47:48,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-10-10 14:47:48,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=829, Unknown=0, NotChecked=0, Total=930 [2018-10-10 14:47:48,492 INFO L87 Difference]: Start difference. First operand 2921 states and 3160 transitions. Second operand 31 states. [2018-10-10 14:47:50,946 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2018-10-10 14:47:51,121 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2018-10-10 14:47:51,328 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2018-10-10 14:47:53,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:47:53,473 INFO L93 Difference]: Finished difference Result 4087 states and 4385 transitions. [2018-10-10 14:47:53,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-10-10 14:47:53,473 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 257 [2018-10-10 14:47:53,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:47:53,480 INFO L225 Difference]: With dead ends: 4087 [2018-10-10 14:47:53,480 INFO L226 Difference]: Without dead ends: 4087 [2018-10-10 14:47:53,481 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 245 SyntacticMatches, 8 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1372 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=1532, Invalid=4320, Unknown=0, NotChecked=0, Total=5852 [2018-10-10 14:47:53,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4087 states. [2018-10-10 14:47:53,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4087 to 2814. [2018-10-10 14:47:53,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2814 states. [2018-10-10 14:47:53,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 3042 transitions. [2018-10-10 14:47:53,527 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 3042 transitions. Word has length 257 [2018-10-10 14:47:53,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:47:53,527 INFO L481 AbstractCegarLoop]: Abstraction has 2814 states and 3042 transitions. [2018-10-10 14:47:53,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-10-10 14:47:53,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3042 transitions. [2018-10-10 14:47:53,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-10 14:47:53,530 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:47:53,530 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:47:53,534 INFO L424 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:47:53,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:47:53,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1522545740, now seen corresponding path program 1 times [2018-10-10 14:47:53,535 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:47:53,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:47:53,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:47:53,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:47:53,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:47:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:47:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:47:54,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:47:54,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-10-10 14:47:54,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-10 14:47:54,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-10 14:47:54,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2018-10-10 14:47:54,278 INFO L87 Difference]: Start difference. First operand 2814 states and 3042 transitions. Second operand 18 states. [2018-10-10 14:47:55,806 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2018-10-10 14:47:56,783 WARN L178 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2018-10-10 14:47:57,269 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2018-10-10 14:47:57,443 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2018-10-10 14:48:00,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:48:00,129 INFO L93 Difference]: Finished difference Result 5534 states and 5950 transitions. [2018-10-10 14:48:00,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-10-10 14:48:00,130 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 258 [2018-10-10 14:48:00,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:48:00,136 INFO L225 Difference]: With dead ends: 5534 [2018-10-10 14:48:00,136 INFO L226 Difference]: Without dead ends: 5534 [2018-10-10 14:48:00,137 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1221 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=1256, Invalid=3714, Unknown=0, NotChecked=0, Total=4970 [2018-10-10 14:48:00,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5534 states. [2018-10-10 14:48:00,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5534 to 2812. [2018-10-10 14:48:00,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2812 states. [2018-10-10 14:48:00,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 3018 transitions. [2018-10-10 14:48:00,184 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 3018 transitions. Word has length 258 [2018-10-10 14:48:00,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:48:00,185 INFO L481 AbstractCegarLoop]: Abstraction has 2812 states and 3018 transitions. [2018-10-10 14:48:00,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-10 14:48:00,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 3018 transitions. [2018-10-10 14:48:00,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-10 14:48:00,187 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:48:00,187 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:48:00,188 INFO L424 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:48:00,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:48:00,188 INFO L82 PathProgramCache]: Analyzing trace with hash 339864702, now seen corresponding path program 1 times [2018-10-10 14:48:00,188 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:48:00,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:48:00,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:00,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:00,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:48:01,562 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 5 [2018-10-10 14:48:01,861 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:48:01,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:48:01,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2018-10-10 14:48:01,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-10-10 14:48:01,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-10-10 14:48:01,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=572, Unknown=0, NotChecked=0, Total=650 [2018-10-10 14:48:01,863 INFO L87 Difference]: Start difference. First operand 2812 states and 3018 transitions. Second operand 26 states. [2018-10-10 14:48:04,726 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2018-10-10 14:48:05,252 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2018-10-10 14:48:05,414 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2018-10-10 14:48:05,570 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2018-10-10 14:48:05,820 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2018-10-10 14:48:06,007 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2018-10-10 14:48:06,157 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2018-10-10 14:48:06,643 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2018-10-10 14:48:06,821 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2018-10-10 14:48:06,996 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2018-10-10 14:48:07,210 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2018-10-10 14:48:07,589 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2018-10-10 14:48:10,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:48:10,593 INFO L93 Difference]: Finished difference Result 3915 states and 4174 transitions. [2018-10-10 14:48:10,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-10-10 14:48:10,594 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 258 [2018-10-10 14:48:10,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:48:10,600 INFO L225 Difference]: With dead ends: 3915 [2018-10-10 14:48:10,600 INFO L226 Difference]: Without dead ends: 3915 [2018-10-10 14:48:10,600 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1251 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=1716, Invalid=4604, Unknown=0, NotChecked=0, Total=6320 [2018-10-10 14:48:10,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3915 states. [2018-10-10 14:48:10,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3915 to 2812. [2018-10-10 14:48:10,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2812 states. [2018-10-10 14:48:10,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 3018 transitions. [2018-10-10 14:48:10,634 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 3018 transitions. Word has length 258 [2018-10-10 14:48:10,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:48:10,634 INFO L481 AbstractCegarLoop]: Abstraction has 2812 states and 3018 transitions. [2018-10-10 14:48:10,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-10-10 14:48:10,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 3018 transitions. [2018-10-10 14:48:10,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-10 14:48:10,637 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:48:10,637 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:48:10,637 INFO L424 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:48:10,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:48:10,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1265288386, now seen corresponding path program 1 times [2018-10-10 14:48:10,638 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:48:10,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:48:10,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:10,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:10,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:48:11,244 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2018-10-10 14:48:11,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:48:11,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:48:11,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-10-10 14:48:11,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-10 14:48:11,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-10 14:48:11,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2018-10-10 14:48:11,915 INFO L87 Difference]: Start difference. First operand 2812 states and 3018 transitions. Second operand 22 states. [2018-10-10 14:48:18,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:48:18,340 INFO L93 Difference]: Finished difference Result 4686 states and 5016 transitions. [2018-10-10 14:48:18,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-10-10 14:48:18,340 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 258 [2018-10-10 14:48:18,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:48:18,345 INFO L225 Difference]: With dead ends: 4686 [2018-10-10 14:48:18,345 INFO L226 Difference]: Without dead ends: 4686 [2018-10-10 14:48:18,345 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1124 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1252, Invalid=3440, Unknown=0, NotChecked=0, Total=4692 [2018-10-10 14:48:18,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4686 states. [2018-10-10 14:48:18,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4686 to 2715. [2018-10-10 14:48:18,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2715 states. [2018-10-10 14:48:18,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 2914 transitions. [2018-10-10 14:48:18,371 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 2914 transitions. Word has length 258 [2018-10-10 14:48:18,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:48:18,372 INFO L481 AbstractCegarLoop]: Abstraction has 2715 states and 2914 transitions. [2018-10-10 14:48:18,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-10 14:48:18,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 2914 transitions. [2018-10-10 14:48:18,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-10-10 14:48:18,374 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:48:18,374 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:48:18,374 INFO L424 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:48:18,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:48:18,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1945871921, now seen corresponding path program 1 times [2018-10-10 14:48:18,375 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:48:18,375 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:48:18,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:18,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:18,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:48:18,783 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 3 [2018-10-10 14:48:19,072 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 9 [2018-10-10 14:48:19,386 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 9 [2018-10-10 14:48:19,770 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 12 [2018-10-10 14:48:20,202 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 14 [2018-10-10 14:48:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:48:21,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:48:21,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2018-10-10 14:48:21,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-10-10 14:48:21,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-10-10 14:48:21,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2018-10-10 14:48:21,368 INFO L87 Difference]: Start difference. First operand 2715 states and 2914 transitions. Second operand 29 states. [2018-10-10 14:48:23,094 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2018-10-10 14:48:23,330 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2018-10-10 14:48:23,581 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2018-10-10 14:48:23,768 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2018-10-10 14:48:23,970 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2018-10-10 14:48:24,218 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2018-10-10 14:48:24,485 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2018-10-10 14:48:24,771 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2018-10-10 14:48:25,035 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2018-10-10 14:48:25,312 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2018-10-10 14:48:25,652 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2018-10-10 14:48:25,866 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 81 [2018-10-10 14:48:26,149 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 99 [2018-10-10 14:48:26,484 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 96 [2018-10-10 14:48:26,786 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 105 [2018-10-10 14:48:27,165 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 99 [2018-10-10 14:48:27,426 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2018-10-10 14:48:27,782 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2018-10-10 14:48:28,108 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 98 [2018-10-10 14:48:28,449 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2018-10-10 14:48:28,880 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 110 [2018-10-10 14:48:29,265 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2018-10-10 14:48:29,525 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2018-10-10 14:48:29,864 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 102 [2018-10-10 14:48:30,259 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 96 [2018-10-10 14:48:30,554 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2018-10-10 14:48:30,917 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 90 [2018-10-10 14:48:32,263 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2018-10-10 14:48:32,507 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2018-10-10 14:48:33,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:48:33,548 INFO L93 Difference]: Finished difference Result 3922 states and 4138 transitions. [2018-10-10 14:48:33,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-10-10 14:48:33,548 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 259 [2018-10-10 14:48:33,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:48:33,551 INFO L225 Difference]: With dead ends: 3922 [2018-10-10 14:48:33,551 INFO L226 Difference]: Without dead ends: 3922 [2018-10-10 14:48:33,552 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1458 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=1736, Invalid=5070, Unknown=0, NotChecked=0, Total=6806 [2018-10-10 14:48:33,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3922 states. [2018-10-10 14:48:33,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3922 to 2542. [2018-10-10 14:48:33,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2542 states. [2018-10-10 14:48:33,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 2721 transitions. [2018-10-10 14:48:33,578 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 2721 transitions. Word has length 259 [2018-10-10 14:48:33,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:48:33,578 INFO L481 AbstractCegarLoop]: Abstraction has 2542 states and 2721 transitions. [2018-10-10 14:48:33,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-10-10 14:48:33,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 2721 transitions. [2018-10-10 14:48:33,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-10-10 14:48:33,580 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:48:33,580 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:48:33,580 INFO L424 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:48:33,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:48:33,581 INFO L82 PathProgramCache]: Analyzing trace with hash -569233551, now seen corresponding path program 1 times [2018-10-10 14:48:33,581 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:48:33,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:48:33,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:33,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:33,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:48:34,052 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 3 [2018-10-10 14:48:34,342 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 9 [2018-10-10 14:48:34,741 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 9 [2018-10-10 14:48:35,031 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 9 [2018-10-10 14:48:35,384 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 12 [2018-10-10 14:48:36,242 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:48:36,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:48:36,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2018-10-10 14:48:36,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-10 14:48:36,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-10 14:48:36,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2018-10-10 14:48:36,243 INFO L87 Difference]: Start difference. First operand 2542 states and 2721 transitions. Second operand 25 states. [2018-10-10 14:48:39,321 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-10-10 14:48:39,533 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-10 14:48:39,818 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-10-10 14:48:40,050 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-10 14:48:40,280 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-10-10 14:48:40,544 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-10 14:48:42,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:48:42,629 INFO L93 Difference]: Finished difference Result 3710 states and 3952 transitions. [2018-10-10 14:48:42,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-10-10 14:48:42,630 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 259 [2018-10-10 14:48:42,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:48:42,633 INFO L225 Difference]: With dead ends: 3710 [2018-10-10 14:48:42,633 INFO L226 Difference]: Without dead ends: 3710 [2018-10-10 14:48:42,633 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1030 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=1212, Invalid=3344, Unknown=0, NotChecked=0, Total=4556 [2018-10-10 14:48:42,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2018-10-10 14:48:42,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 2362. [2018-10-10 14:48:42,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2018-10-10 14:48:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2525 transitions. [2018-10-10 14:48:42,651 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2525 transitions. Word has length 259 [2018-10-10 14:48:42,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:48:42,652 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2525 transitions. [2018-10-10 14:48:42,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-10 14:48:42,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2525 transitions. [2018-10-10 14:48:42,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-10 14:48:42,653 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:48:42,653 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:48:42,654 INFO L424 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:48:42,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:48:42,654 INFO L82 PathProgramCache]: Analyzing trace with hash -162886704, now seen corresponding path program 1 times [2018-10-10 14:48:42,654 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:48:42,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:48:42,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:42,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:42,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:48:42,990 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 14 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:48:42,990 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:48:42,990 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:48:42,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:48:43,097 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:48:43,208 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:48:43,209 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:48:43,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-10-10 14:48:43,211 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:48:43,219 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-10 14:48:43,220 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-10-10 14:48:43,501 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 14 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:48:43,522 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:48:43,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 20 [2018-10-10 14:48:43,559 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:185) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.addStatementsAndVariables(PathProgramDumper.java:644) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.constructTransitionStatements(PathProgramDumper.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.processTransition(PathProgramDumper.java:521) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.constructProcedureStatements(PathProgramDumper.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.constructNewImplementation(PathProgramDumper.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.(PathProgramDumper.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumpController.doDump(PathProgramDumpController.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumpController.reportPathProgram(PathProgramDumpController.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-10 14:48:43,563 INFO L168 Benchmark]: Toolchain (without parser) took 309506.57 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 702.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -698.7 MB). Peak memory consumption was 597.6 MB. Max. memory is 7.1 GB. [2018-10-10 14:48:43,563 INFO L168 Benchmark]: CDTParser took 0.19 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 14:48:43,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 560.49 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-10 14:48:43,564 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.62 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 14:48:43,564 INFO L168 Benchmark]: Boogie Preprocessor took 164.10 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -810.0 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2018-10-10 14:48:43,565 INFO L168 Benchmark]: RCFGBuilder took 2635.90 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 117.9 MB). Peak memory consumption was 117.9 MB. Max. memory is 7.1 GB. [2018-10-10 14:48:43,565 INFO L168 Benchmark]: TraceAbstraction took 306050.68 ms. Allocated memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: -44.0 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -38.3 MB). Peak memory consumption was 511.4 MB. Max. memory is 7.1 GB. [2018-10-10 14:48:43,567 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 560.49 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 90.62 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 164.10 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -810.0 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2635.90 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 117.9 MB). Peak memory consumption was 117.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 306050.68 ms. Allocated memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: -44.0 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -38.3 MB). Peak memory consumption was 511.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:185) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...