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-0237_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 14:43:51,082 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 14:43:51,084 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 14:43:51,098 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 14:43:51,098 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 14:43:51,099 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 14:43:51,101 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 14:43:51,103 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 14:43:51,104 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 14:43:51,105 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 14:43:51,106 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 14:43:51,107 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 14:43:51,108 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 14:43:51,109 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 14:43:51,110 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 14:43:51,111 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 14:43:51,112 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 14:43:51,113 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 14:43:51,115 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 14:43:51,117 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 14:43:51,118 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 14:43:51,122 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 14:43:51,125 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 14:43:51,127 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 14:43:51,127 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 14:43:51,128 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 14:43:51,129 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 14:43:51,132 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 14:43:51,133 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 14:43:51,134 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 14:43:51,134 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 14:43:51,136 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 14:43:51,136 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 14:43:51,136 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 14:43:51,137 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 14:43:51,138 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 14:43:51,139 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 14:43:51,161 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 14:43:51,161 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 14:43:51,163 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 14:43:51,163 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 14:43:51,163 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 14:43:51,163 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 14:43:51,163 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 14:43:51,165 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 14:43:51,165 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 14:43:51,165 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 14:43:51,165 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 14:43:51,165 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 14:43:51,166 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 14:43:51,166 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 14:43:51,166 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 14:43:51,166 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 14:43:51,166 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 14:43:51,167 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 14:43:51,167 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 14:43:51,167 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 14:43:51,167 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 14:43:51,167 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 14:43:51,168 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 14:43:51,169 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-10 14:43:51,169 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 14:43:51,169 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 14:43:51,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 14:43:51,234 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 14:43:51,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 14:43:51,241 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 14:43:51,241 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 14:43:51,242 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0237_true-valid-memsafety.i [2018-10-10 14:43:51,558 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4589032c8/3a09047747464a2290a3dec8966882d3/FLAG35a028b1c [2018-10-10 14:43:51,883 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 14:43:51,884 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/memsafety/test-0237_true-valid-memsafety.i [2018-10-10 14:43:51,902 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4589032c8/3a09047747464a2290a3dec8966882d3/FLAG35a028b1c [2018-10-10 14:43:51,915 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4589032c8/3a09047747464a2290a3dec8966882d3 [2018-10-10 14:43:51,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 14:43:51,926 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 14:43:51,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 14:43:51,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 14:43:51,931 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 14:43:51,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:43:51" (1/1) ... [2018-10-10 14:43:51,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7beeb700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:51, skipping insertion in model container [2018-10-10 14:43:51,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:43:51" (1/1) ... [2018-10-10 14:43:51,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 14:43:52,007 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 14:43:52,289 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:43:52,298 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 14:43:52,367 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:43:52,465 INFO L193 MainTranslator]: Completed translation [2018-10-10 14:43:52,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:52 WrapperNode [2018-10-10 14:43:52,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 14:43:52,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 14:43:52,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 14:43:52,467 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 14:43:52,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:52" (1/1) ... [2018-10-10 14:43:52,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:52" (1/1) ... [2018-10-10 14:43:52,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 14:43:52,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 14:43:52,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 14:43:52,585 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 14:43:52,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:52" (1/1) ... [2018-10-10 14:43:52,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:52" (1/1) ... [2018-10-10 14:43:52,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:52" (1/1) ... [2018-10-10 14:43:52,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:52" (1/1) ... [2018-10-10 14:43:52,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:52" (1/1) ... [2018-10-10 14:43:52,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:52" (1/1) ... [2018-10-10 14:43:52,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:52" (1/1) ... [2018-10-10 14:43:52,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 14:43:52,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 14:43:52,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 14:43:52,765 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 14:43:52,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:52" (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 14:43:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 14:43:52,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 14:43:56,102 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 14:43:56,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:43:56 BoogieIcfgContainer [2018-10-10 14:43:56,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 14:43:56,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 14:43:56,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 14:43:56,108 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 14:43:56,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 02:43:51" (1/3) ... [2018-10-10 14:43:56,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce0fa56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:43:56, skipping insertion in model container [2018-10-10 14:43:56,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:43:52" (2/3) ... [2018-10-10 14:43:56,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce0fa56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:43:56, skipping insertion in model container [2018-10-10 14:43:56,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:43:56" (3/3) ... [2018-10-10 14:43:56,112 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0237_true-valid-memsafety.i [2018-10-10 14:43:56,123 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 14:43:56,136 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 93 error locations. [2018-10-10 14:43:56,153 INFO L257 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2018-10-10 14:43:56,180 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 14:43:56,181 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 14:43:56,181 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 14:43:56,181 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 14:43:56,182 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 14:43:56,182 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 14:43:56,182 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 14:43:56,182 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 14:43:56,183 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 14:43:56,230 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states. [2018-10-10 14:43:56,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-10 14:43:56,239 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:43:56,240 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 14:43:56,245 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:43:56,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:43:56,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1597552760, now seen corresponding path program 1 times [2018-10-10 14:43:56,254 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:43:56,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:43:56,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:56,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:43:56,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:43:56,586 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 14:43:56,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:43:56,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 14:43:56,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 14:43:56,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 14:43:56,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-10 14:43:56,611 INFO L87 Difference]: Start difference. First operand 932 states. Second operand 5 states. [2018-10-10 14:43:58,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:43:58,541 INFO L93 Difference]: Finished difference Result 1127 states and 1142 transitions. [2018-10-10 14:43:58,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:43:58,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-10-10 14:43:58,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:43:58,571 INFO L225 Difference]: With dead ends: 1127 [2018-10-10 14:43:58,571 INFO L226 Difference]: Without dead ends: 1116 [2018-10-10 14:43:58,573 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 14:43:58,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2018-10-10 14:43:58,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 920. [2018-10-10 14:43:58,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2018-10-10 14:43:58,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 935 transitions. [2018-10-10 14:43:58,658 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 935 transitions. Word has length 19 [2018-10-10 14:43:58,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:43:58,658 INFO L481 AbstractCegarLoop]: Abstraction has 920 states and 935 transitions. [2018-10-10 14:43:58,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 14:43:58,659 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 935 transitions. [2018-10-10 14:43:58,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-10 14:43:58,660 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:43:58,660 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 14:43:58,663 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:43:58,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:43:58,663 INFO L82 PathProgramCache]: Analyzing trace with hash 2015472043, now seen corresponding path program 1 times [2018-10-10 14:43:58,664 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:43:58,664 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:43:58,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:58,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:43:58,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:43:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:43:58,825 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 14:43:58,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:43:58,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-10 14:43:58,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 14:43:58,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 14:43:58,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-10 14:43:58,828 INFO L87 Difference]: Start difference. First operand 920 states and 935 transitions. Second operand 7 states. [2018-10-10 14:44:00,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:00,035 INFO L93 Difference]: Finished difference Result 940 states and 955 transitions. [2018-10-10 14:44:00,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:44:00,035 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-10-10 14:44:00,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:00,042 INFO L225 Difference]: With dead ends: 940 [2018-10-10 14:44:00,042 INFO L226 Difference]: Without dead ends: 940 [2018-10-10 14:44:00,043 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2018-10-10 14:44:00,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2018-10-10 14:44:00,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 919. [2018-10-10 14:44:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2018-10-10 14:44:00,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 934 transitions. [2018-10-10 14:44:00,068 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 934 transitions. Word has length 20 [2018-10-10 14:44:00,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:00,069 INFO L481 AbstractCegarLoop]: Abstraction has 919 states and 934 transitions. [2018-10-10 14:44:00,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 14:44:00,069 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 934 transitions. [2018-10-10 14:44:00,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-10 14:44:00,071 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:00,071 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:44:00,074 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:00,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:00,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1917601858, now seen corresponding path program 1 times [2018-10-10 14:44:00,075 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:00,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:00,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:00,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:00,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:00,092 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:44:00,092 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:44:00,092 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 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:44:00,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:00,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:44:00,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:44:00,224 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:00,238 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:44:00,239 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-10 14:44:00,290 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 14:44:00,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:00,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-10 14:44:00,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:44:00,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:44:00,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:44:00,317 INFO L87 Difference]: Start difference. First operand 919 states and 934 transitions. Second operand 6 states. [2018-10-10 14:44:01,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:01,197 INFO L93 Difference]: Finished difference Result 1023 states and 1038 transitions. [2018-10-10 14:44:01,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:44:01,200 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-10-10 14:44:01,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:01,207 INFO L225 Difference]: With dead ends: 1023 [2018-10-10 14:44:01,207 INFO L226 Difference]: Without dead ends: 1023 [2018-10-10 14:44:01,208 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-10 14:44:01,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2018-10-10 14:44:01,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 913. [2018-10-10 14:44:01,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2018-10-10 14:44:01,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 928 transitions. [2018-10-10 14:44:01,237 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 928 transitions. Word has length 62 [2018-10-10 14:44:01,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:01,237 INFO L481 AbstractCegarLoop]: Abstraction has 913 states and 928 transitions. [2018-10-10 14:44:01,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:44:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 928 transitions. [2018-10-10 14:44:01,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-10 14:44:01,240 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:01,240 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] [2018-10-10 14:44:01,242 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:01,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:01,243 INFO L82 PathProgramCache]: Analyzing trace with hash -683884446, now seen corresponding path program 1 times [2018-10-10 14:44:01,243 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:01,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:01,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:01,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:01,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:01,257 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:44:01,258 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:44:01,258 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 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:44:01,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:01,343 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:44:01,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:44:01,647 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:01,809 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:44:01,809 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:17 [2018-10-10 14:44:02,380 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 14:44:02,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:02,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-10 14:44:02,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-10 14:44:02,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-10 14:44:02,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-10-10 14:44:02,411 INFO L87 Difference]: Start difference. First operand 913 states and 928 transitions. Second operand 13 states. [2018-10-10 14:44:05,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:05,062 INFO L93 Difference]: Finished difference Result 933 states and 948 transitions. [2018-10-10 14:44:05,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-10 14:44:05,066 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 63 [2018-10-10 14:44:05,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:05,071 INFO L225 Difference]: With dead ends: 933 [2018-10-10 14:44:05,072 INFO L226 Difference]: Without dead ends: 933 [2018-10-10 14:44:05,072 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=197, Invalid=453, Unknown=0, NotChecked=0, Total=650 [2018-10-10 14:44:05,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2018-10-10 14:44:05,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 912. [2018-10-10 14:44:05,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2018-10-10 14:44:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 927 transitions. [2018-10-10 14:44:05,087 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 927 transitions. Word has length 63 [2018-10-10 14:44:05,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:05,087 INFO L481 AbstractCegarLoop]: Abstraction has 912 states and 927 transitions. [2018-10-10 14:44:05,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-10 14:44:05,088 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 927 transitions. [2018-10-10 14:44:05,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-10 14:44:05,094 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:05,094 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 14:44:05,102 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:05,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:05,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1254785105, now seen corresponding path program 1 times [2018-10-10 14:44:05,102 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:05,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:05,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:05,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:05,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:05,130 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:44:05,131 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:44:05,134 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:44:05,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:05,216 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:44:05,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:44:05,541 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:05,572 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:44:05,573 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:17 [2018-10-10 14:44:05,661 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 14:44:05,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:05,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-10 14:44:05,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-10 14:44:05,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-10 14:44:05,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2018-10-10 14:44:05,683 INFO L87 Difference]: Start difference. First operand 912 states and 927 transitions. Second operand 14 states. [2018-10-10 14:44:07,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:07,333 INFO L93 Difference]: Finished difference Result 985 states and 1000 transitions. [2018-10-10 14:44:07,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-10 14:44:07,334 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 117 [2018-10-10 14:44:07,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:07,339 INFO L225 Difference]: With dead ends: 985 [2018-10-10 14:44:07,339 INFO L226 Difference]: Without dead ends: 985 [2018-10-10 14:44:07,340 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=319, Invalid=803, Unknown=0, NotChecked=0, Total=1122 [2018-10-10 14:44:07,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2018-10-10 14:44:07,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 908. [2018-10-10 14:44:07,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2018-10-10 14:44:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 923 transitions. [2018-10-10 14:44:07,354 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 923 transitions. Word has length 117 [2018-10-10 14:44:07,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:07,355 INFO L481 AbstractCegarLoop]: Abstraction has 908 states and 923 transitions. [2018-10-10 14:44:07,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-10 14:44:07,355 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 923 transitions. [2018-10-10 14:44:07,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-10-10 14:44:07,361 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:07,362 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:07,364 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:07,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:07,364 INFO L82 PathProgramCache]: Analyzing trace with hash 851376338, now seen corresponding path program 1 times [2018-10-10 14:44:07,364 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:07,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:07,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:07,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:07,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:07,382 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:44:07,382 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:44:07,382 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:44:07,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:08,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:44:08,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:44:08,540 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:08,550 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:44:08,550 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:17 [2018-10-10 14:44:08,698 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 14:44:08,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:08,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-10 14:44:08,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-10 14:44:08,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-10 14:44:08,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2018-10-10 14:44:08,720 INFO L87 Difference]: Start difference. First operand 908 states and 923 transitions. Second operand 14 states. [2018-10-10 14:44:10,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:10,080 INFO L93 Difference]: Finished difference Result 1014 states and 1029 transitions. [2018-10-10 14:44:10,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-10 14:44:10,083 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 330 [2018-10-10 14:44:10,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:10,088 INFO L225 Difference]: With dead ends: 1014 [2018-10-10 14:44:10,088 INFO L226 Difference]: Without dead ends: 1014 [2018-10-10 14:44:10,089 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2018-10-10 14:44:10,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2018-10-10 14:44:10,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 907. [2018-10-10 14:44:10,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 907 states. [2018-10-10 14:44:10,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 922 transitions. [2018-10-10 14:44:10,104 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 922 transitions. Word has length 330 [2018-10-10 14:44:10,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:10,106 INFO L481 AbstractCegarLoop]: Abstraction has 907 states and 922 transitions. [2018-10-10 14:44:10,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-10 14:44:10,106 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 922 transitions. [2018-10-10 14:44:10,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-10-10 14:44:10,113 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:10,114 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:10,116 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:10,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:10,116 INFO L82 PathProgramCache]: Analyzing trace with hash -677349140, now seen corresponding path program 1 times [2018-10-10 14:44:10,116 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:10,117 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:10,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:10,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:10,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:10,132 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:44:10,132 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:44:10,133 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:44:10,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:10,276 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:44:10,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:44:10,335 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:10,356 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:44:10,357 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-10 14:44:10,585 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:44:10,587 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:44:10,588 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 14:44:10,588 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:10,594 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 14:44:10,595 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-10-10 14:44:10,865 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 14:44:10,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:10,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-10-10 14:44:10,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-10 14:44:10,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-10 14:44:10,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2018-10-10 14:44:10,887 INFO L87 Difference]: Start difference. First operand 907 states and 922 transitions. Second operand 15 states. [2018-10-10 14:44:15,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:15,213 INFO L93 Difference]: Finished difference Result 1308 states and 1327 transitions. [2018-10-10 14:44:15,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-10-10 14:44:15,215 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 353 [2018-10-10 14:44:15,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:15,222 INFO L225 Difference]: With dead ends: 1308 [2018-10-10 14:44:15,222 INFO L226 Difference]: Without dead ends: 1308 [2018-10-10 14:44:15,223 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=634, Invalid=2122, Unknown=0, NotChecked=0, Total=2756 [2018-10-10 14:44:15,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2018-10-10 14:44:15,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 904. [2018-10-10 14:44:15,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 904 states. [2018-10-10 14:44:15,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 919 transitions. [2018-10-10 14:44:15,237 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 919 transitions. Word has length 353 [2018-10-10 14:44:15,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:15,238 INFO L481 AbstractCegarLoop]: Abstraction has 904 states and 919 transitions. [2018-10-10 14:44:15,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-10 14:44:15,238 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 919 transitions. [2018-10-10 14:44:15,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-10-10 14:44:15,243 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:15,244 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:15,244 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:15,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:15,245 INFO L82 PathProgramCache]: Analyzing trace with hash 477013645, now seen corresponding path program 1 times [2018-10-10 14:44:15,245 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:15,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:15,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:15,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:15,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:15,259 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:44:15,259 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:44:15,259 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:44:15,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:15,398 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:44:15,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:44:15,495 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:15,504 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:44:15,505 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:18, output treesize:17 [2018-10-10 14:44:15,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:44:15,587 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:15,598 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:44:15,599 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:26, output treesize:22 [2018-10-10 14:44:16,151 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:44:16,153 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:44:16,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-10-10 14:44:16,154 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:16,164 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:44:16,165 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:21 [2018-10-10 14:44:16,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-10 14:44:16,218 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:16,231 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:44:16,232 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:27, output treesize:17 [2018-10-10 14:44:16,694 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 14:44:16,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:16,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2018-10-10 14:44:16,716 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-10 14:44:16,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-10 14:44:16,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=459, Unknown=0, NotChecked=0, Total=506 [2018-10-10 14:44:16,717 INFO L87 Difference]: Start difference. First operand 904 states and 919 transitions. Second operand 23 states. [2018-10-10 14:44:18,680 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-10-10 14:44:20,296 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-10 14:44:20,494 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-10-10 14:44:20,710 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-10 14:44:22,502 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-10 14:44:22,746 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-10 14:44:22,950 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-10-10 14:44:23,127 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-10 14:44:23,346 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-10-10 14:44:23,596 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-10 14:44:26,368 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2018-10-10 14:44:26,546 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-10-10 14:44:28,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:28,676 INFO L93 Difference]: Finished difference Result 1081 states and 1096 transitions. [2018-10-10 14:44:28,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-10-10 14:44:28,677 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 354 [2018-10-10 14:44:28,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:28,682 INFO L225 Difference]: With dead ends: 1081 [2018-10-10 14:44:28,682 INFO L226 Difference]: Without dead ends: 1081 [2018-10-10 14:44:28,684 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1305 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1487, Invalid=4833, Unknown=0, NotChecked=0, Total=6320 [2018-10-10 14:44:28,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2018-10-10 14:44:28,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 903. [2018-10-10 14:44:28,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2018-10-10 14:44:28,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 918 transitions. [2018-10-10 14:44:28,697 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 918 transitions. Word has length 354 [2018-10-10 14:44:28,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:28,698 INFO L481 AbstractCegarLoop]: Abstraction has 903 states and 918 transitions. [2018-10-10 14:44:28,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-10-10 14:44:28,699 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 918 transitions. [2018-10-10 14:44:28,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-10-10 14:44:28,701 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:28,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:28,705 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:28,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:28,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1875498386, now seen corresponding path program 1 times [2018-10-10 14:44:28,706 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:28,706 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:28,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:28,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:28,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:28,730 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:44:28,730 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:44:28,730 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:44:28,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:28,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:44:29,020 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 14:44:29,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:29,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 14:44:29,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 14:44:29,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 14:44:29,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-10 14:44:29,044 INFO L87 Difference]: Start difference. First operand 903 states and 918 transitions. Second operand 5 states. [2018-10-10 14:44:29,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:29,685 INFO L93 Difference]: Finished difference Result 1110 states and 1125 transitions. [2018-10-10 14:44:29,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:44:29,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 363 [2018-10-10 14:44:29,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:29,691 INFO L225 Difference]: With dead ends: 1110 [2018-10-10 14:44:29,692 INFO L226 Difference]: Without dead ends: 1110 [2018-10-10 14:44:29,692 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:44:29,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2018-10-10 14:44:29,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 902. [2018-10-10 14:44:29,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-10-10 14:44:29,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 917 transitions. [2018-10-10 14:44:29,704 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 917 transitions. Word has length 363 [2018-10-10 14:44:29,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:29,705 INFO L481 AbstractCegarLoop]: Abstraction has 902 states and 917 transitions. [2018-10-10 14:44:29,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 14:44:29,705 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 917 transitions. [2018-10-10 14:44:29,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-10-10 14:44:29,707 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:29,707 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:29,708 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:29,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:29,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1989091661, now seen corresponding path program 1 times [2018-10-10 14:44:29,708 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:29,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:29,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:29,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:29,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:29,721 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:44:29,721 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:44:29,722 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2018-10-10 14:44:29,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:44:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:29,855 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:44:30,103 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 14:44:30,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:30,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-10 14:44:30,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-10 14:44:30,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-10 14:44:30,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2018-10-10 14:44:30,126 INFO L87 Difference]: Start difference. First operand 902 states and 917 transitions. Second operand 14 states. [2018-10-10 14:44:32,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:32,172 INFO L93 Difference]: Finished difference Result 1198 states and 1217 transitions. [2018-10-10 14:44:32,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-10-10 14:44:32,173 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 364 [2018-10-10 14:44:32,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:32,178 INFO L225 Difference]: With dead ends: 1198 [2018-10-10 14:44:32,179 INFO L226 Difference]: Without dead ends: 1198 [2018-10-10 14:44:32,179 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=421, Invalid=1139, Unknown=0, NotChecked=0, Total=1560 [2018-10-10 14:44:32,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2018-10-10 14:44:32,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 901. [2018-10-10 14:44:32,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2018-10-10 14:44:32,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 916 transitions. [2018-10-10 14:44:32,194 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 916 transitions. Word has length 364 [2018-10-10 14:44:32,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:32,195 INFO L481 AbstractCegarLoop]: Abstraction has 901 states and 916 transitions. [2018-10-10 14:44:32,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-10 14:44:32,195 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 916 transitions. [2018-10-10 14:44:32,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-10-10 14:44:32,197 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:32,197 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:32,198 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:32,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:32,198 INFO L82 PathProgramCache]: Analyzing trace with hash 304604857, now seen corresponding path program 1 times [2018-10-10 14:44:32,198 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:32,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:32,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:32,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:32,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:32,211 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:44:32,211 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:44:32,211 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:44:32,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:32,347 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:44:32,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:44:32,372 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:32,395 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:44:32,396 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-10 14:44:33,725 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 14:44:33,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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 14:44:33,739 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:33,745 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:44:33,751 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 14:44:33,752 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-10-10 14:44:33,780 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 17 treesize of output 13 [2018-10-10 14:44:33,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-10-10 14:44:33,782 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:33,783 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:44:33,784 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 14:44:33,785 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-10-10 14:44:33,887 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 14:44:33,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:33,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-10-10 14:44:33,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-10 14:44:33,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-10 14:44:33,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-10-10 14:44:33,910 INFO L87 Difference]: Start difference. First operand 901 states and 916 transitions. Second operand 16 states. [2018-10-10 14:44:37,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:37,249 INFO L93 Difference]: Finished difference Result 1089 states and 1104 transitions. [2018-10-10 14:44:37,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-10-10 14:44:37,249 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 374 [2018-10-10 14:44:37,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:37,255 INFO L225 Difference]: With dead ends: 1089 [2018-10-10 14:44:37,255 INFO L226 Difference]: Without dead ends: 1089 [2018-10-10 14:44:37,256 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=415, Invalid=1145, Unknown=0, NotChecked=0, Total=1560 [2018-10-10 14:44:37,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2018-10-10 14:44:37,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 900. [2018-10-10 14:44:37,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2018-10-10 14:44:37,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 915 transitions. [2018-10-10 14:44:37,267 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 915 transitions. Word has length 374 [2018-10-10 14:44:37,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:37,268 INFO L481 AbstractCegarLoop]: Abstraction has 900 states and 915 transitions. [2018-10-10 14:44:37,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-10 14:44:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 915 transitions. [2018-10-10 14:44:37,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-10-10 14:44:37,270 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:37,270 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:37,271 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:37,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:37,271 INFO L82 PathProgramCache]: Analyzing trace with hash 852816505, now seen corresponding path program 1 times [2018-10-10 14:44:37,271 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:37,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:37,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:37,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:37,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:37,283 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:44:37,283 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:44:37,283 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:44:37,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:37,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:44:37,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:44:37,541 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:37,556 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:44:37,557 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:21, output treesize:17 [2018-10-10 14:44:37,956 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 14:44:37,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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 14:44:37,958 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:37,968 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:44:37,983 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 14:44:37,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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 14:44:37,986 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:37,988 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:44:37,999 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:44:38,000 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:40, output treesize:29 [2018-10-10 14:44:38,297 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 19 treesize of output 15 [2018-10-10 14:44:38,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-10-10 14:44:38,345 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:38,371 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:44:38,506 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 15 treesize of output 11 [2018-10-10 14:44:38,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-10-10 14:44:38,525 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:38,546 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:44:38,639 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:44:38,642 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:39, output treesize:17 [2018-10-10 14:44:39,782 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 14:44:39,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:39,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2018-10-10 14:44:39,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-10 14:44:39,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-10 14:44:39,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=462, Unknown=0, NotChecked=0, Total=506 [2018-10-10 14:44:39,803 INFO L87 Difference]: Start difference. First operand 900 states and 915 transitions. Second operand 23 states. [2018-10-10 14:44:41,960 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2018-10-10 14:44:42,290 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-10 14:44:42,534 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-10-10 14:44:42,715 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-10-10 14:44:42,947 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-10 14:44:43,220 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-10 14:44:43,469 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-10 14:44:43,753 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-10-10 14:44:44,051 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-10-10 14:44:47,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:47,341 INFO L93 Difference]: Finished difference Result 1001 states and 1016 transitions. [2018-10-10 14:44:47,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-10-10 14:44:47,343 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 375 [2018-10-10 14:44:47,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:47,346 INFO L225 Difference]: With dead ends: 1001 [2018-10-10 14:44:47,346 INFO L226 Difference]: Without dead ends: 1001 [2018-10-10 14:44:47,347 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=790, Invalid=2072, Unknown=0, NotChecked=0, Total=2862 [2018-10-10 14:44:47,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2018-10-10 14:44:47,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 899. [2018-10-10 14:44:47,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2018-10-10 14:44:47,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 914 transitions. [2018-10-10 14:44:47,358 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 914 transitions. Word has length 375 [2018-10-10 14:44:47,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:47,358 INFO L481 AbstractCegarLoop]: Abstraction has 899 states and 914 transitions. [2018-10-10 14:44:47,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-10-10 14:44:47,359 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 914 transitions. [2018-10-10 14:44:47,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-10-10 14:44:47,361 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:47,361 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:47,361 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:47,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:47,362 INFO L82 PathProgramCache]: Analyzing trace with hash 830141152, now seen corresponding path program 1 times [2018-10-10 14:44:47,362 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:47,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:47,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:47,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:47,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:47,373 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:44:47,373 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:44:47,373 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:44:47,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:47,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:44:47,904 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 14:44:47,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:47,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-10 14:44:47,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-10 14:44:47,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-10 14:44:47,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2018-10-10 14:44:47,927 INFO L87 Difference]: Start difference. First operand 899 states and 914 transitions. Second operand 14 states. [2018-10-10 14:44:50,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:50,011 INFO L93 Difference]: Finished difference Result 1195 states and 1214 transitions. [2018-10-10 14:44:50,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-10-10 14:44:50,012 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 386 [2018-10-10 14:44:50,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:50,018 INFO L225 Difference]: With dead ends: 1195 [2018-10-10 14:44:50,018 INFO L226 Difference]: Without dead ends: 1195 [2018-10-10 14:44:50,019 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=390, Invalid=1092, Unknown=0, NotChecked=0, Total=1482 [2018-10-10 14:44:50,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2018-10-10 14:44:50,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 898. [2018-10-10 14:44:50,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 898 states. [2018-10-10 14:44:50,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 913 transitions. [2018-10-10 14:44:50,031 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 913 transitions. Word has length 386 [2018-10-10 14:44:50,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:50,032 INFO L481 AbstractCegarLoop]: Abstraction has 898 states and 913 transitions. [2018-10-10 14:44:50,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-10 14:44:50,032 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 913 transitions. [2018-10-10 14:44:50,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-10-10 14:44:50,035 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:50,035 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:50,036 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:50,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:50,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1547617563, now seen corresponding path program 1 times [2018-10-10 14:44:50,036 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:50,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:50,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:50,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:50,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:50,056 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:44:50,057 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:44:50,057 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:44:50,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:50,208 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:44:50,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:44:50,230 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:50,252 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:44:50,253 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-10 14:44:50,575 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:44:50,576 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:44:50,577 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 14:44:50,577 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:50,583 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 14:44:50,583 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-10-10 14:44:50,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-10-10 14:44:50,754 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:50,761 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:44:50,762 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:20 [2018-10-10 14:44:51,901 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 14:44:51,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:44:51,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-10-10 14:44:51,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-10 14:44:51,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-10 14:44:51,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2018-10-10 14:44:51,935 INFO L87 Difference]: Start difference. First operand 898 states and 913 transitions. Second operand 18 states. [2018-10-10 14:44:57,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:44:57,422 INFO L93 Difference]: Finished difference Result 2047 states and 2077 transitions. [2018-10-10 14:44:57,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-10-10 14:44:57,422 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 394 [2018-10-10 14:44:57,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:44:57,430 INFO L225 Difference]: With dead ends: 2047 [2018-10-10 14:44:57,431 INFO L226 Difference]: Without dead ends: 2047 [2018-10-10 14:44:57,432 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 395 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1075 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=983, Invalid=3987, Unknown=0, NotChecked=0, Total=4970 [2018-10-10 14:44:57,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2018-10-10 14:44:57,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 1049. [2018-10-10 14:44:57,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1049 states. [2018-10-10 14:44:57,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1066 transitions. [2018-10-10 14:44:57,451 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1066 transitions. Word has length 394 [2018-10-10 14:44:57,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:44:57,452 INFO L481 AbstractCegarLoop]: Abstraction has 1049 states and 1066 transitions. [2018-10-10 14:44:57,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-10 14:44:57,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1066 transitions. [2018-10-10 14:44:57,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-10-10 14:44:57,454 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:44:57,454 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:57,455 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:44:57,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:44:57,455 INFO L82 PathProgramCache]: Analyzing trace with hash -731503643, now seen corresponding path program 1 times [2018-10-10 14:44:57,456 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:44:57,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:44:57,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:57,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:57,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:44:57,466 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:44:57,466 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:44:57,466 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:44:57,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:44:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:44:57,624 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:44:57,959 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:44:57,960 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:57,965 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:44:57,966 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:18, output treesize:17 [2018-10-10 14:44:58,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:44:58,011 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:58,026 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:44:58,026 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:26, output treesize:22 [2018-10-10 14:44:58,553 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:44:58,554 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:44:58,555 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 14:44:58,555 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:58,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:44:58,570 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:33, output treesize:31 [2018-10-10 14:44:58,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-10 14:44:58,620 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:58,635 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:44:58,636 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:37, output treesize:31 [2018-10-10 14:44:59,338 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:44:59,339 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:44:59,339 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:44:59,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-10-10 14:44:59,341 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:59,355 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:44:59,355 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:29 [2018-10-10 14:44:59,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-10 14:44:59,413 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:44:59,482 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:44:59,482 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:35, output treesize:21 [2018-10-10 14:45:00,158 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 14:45:00,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:00,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2018-10-10 14:45:00,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-10-10 14:45:00,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-10-10 14:45:00,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1307, Unknown=0, NotChecked=0, Total=1406 [2018-10-10 14:45:00,180 INFO L87 Difference]: Start difference. First operand 1049 states and 1066 transitions. Second operand 38 states. [2018-10-10 14:45:03,408 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-10 14:45:03,614 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-10-10 14:45:03,786 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-10 14:45:03,994 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-10-10 14:45:04,270 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2018-10-10 14:45:04,482 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-10-10 14:45:04,805 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-10-10 14:45:05,031 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-10 14:45:06,759 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-10-10 14:45:07,021 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2018-10-10 14:45:07,329 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2018-10-10 14:45:07,865 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2018-10-10 14:45:08,311 WARN L178 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2018-10-10 14:45:08,823 WARN L178 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2018-10-10 14:45:09,194 WARN L178 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2018-10-10 14:45:09,646 WARN L178 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2018-10-10 14:45:10,098 WARN L178 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2018-10-10 14:45:10,567 WARN L178 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2018-10-10 14:45:11,038 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2018-10-10 14:45:11,431 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2018-10-10 14:45:11,726 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2018-10-10 14:45:12,102 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2018-10-10 14:45:12,449 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2018-10-10 14:45:12,788 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2018-10-10 14:45:12,987 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2018-10-10 14:45:13,648 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2018-10-10 14:45:13,795 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2018-10-10 14:45:14,019 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2018-10-10 14:45:14,286 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2018-10-10 14:45:14,602 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2018-10-10 14:45:15,099 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2018-10-10 14:45:15,537 WARN L178 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2018-10-10 14:45:16,026 WARN L178 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2018-10-10 14:45:16,444 WARN L178 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2018-10-10 14:45:16,952 WARN L178 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2018-10-10 14:45:17,853 WARN L178 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2018-10-10 14:45:18,352 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-10-10 14:45:18,601 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-10-10 14:45:20,290 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2018-10-10 14:45:20,764 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2018-10-10 14:45:22,467 WARN L178 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2018-10-10 14:45:23,113 WARN L178 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2018-10-10 14:45:23,598 WARN L178 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2018-10-10 14:45:24,254 WARN L178 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2018-10-10 14:45:26,147 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-10-10 14:45:27,761 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 109 [2018-10-10 14:45:28,141 WARN L178 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2018-10-10 14:45:28,428 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2018-10-10 14:45:28,758 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2018-10-10 14:45:29,024 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2018-10-10 14:45:36,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:36,811 INFO L93 Difference]: Finished difference Result 2072 states and 2102 transitions. [2018-10-10 14:45:36,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-10-10 14:45:36,812 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 395 [2018-10-10 14:45:36,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:36,819 INFO L225 Difference]: With dead ends: 2072 [2018-10-10 14:45:36,819 INFO L226 Difference]: Without dead ends: 2072 [2018-10-10 14:45:36,826 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8506 ImplicationChecksByTransitivity, 25.3s TimeCoverageRelationStatistics Valid=4756, Invalid=22634, Unknown=0, NotChecked=0, Total=27390 [2018-10-10 14:45:36,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2072 states. [2018-10-10 14:45:36,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2072 to 1050. [2018-10-10 14:45:36,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1050 states. [2018-10-10 14:45:36,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1067 transitions. [2018-10-10 14:45:36,842 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1067 transitions. Word has length 395 [2018-10-10 14:45:36,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:36,842 INFO L481 AbstractCegarLoop]: Abstraction has 1050 states and 1067 transitions. [2018-10-10 14:45:36,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-10-10 14:45:36,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1067 transitions. [2018-10-10 14:45:36,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2018-10-10 14:45:36,845 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:36,845 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:45:36,846 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:36,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:36,846 INFO L82 PathProgramCache]: Analyzing trace with hash 2057582348, now seen corresponding path program 1 times [2018-10-10 14:45:36,846 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:36,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:36,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:36,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:36,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:36,857 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:45:36,857 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:45:36,857 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:45:36,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:37,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:45:37,253 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 14:45:37,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:37,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-10 14:45:37,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-10 14:45:37,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-10 14:45:37,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2018-10-10 14:45:37,275 INFO L87 Difference]: Start difference. First operand 1050 states and 1067 transitions. Second operand 14 states. [2018-10-10 14:45:39,064 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-10 14:45:39,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:39,848 INFO L93 Difference]: Finished difference Result 1342 states and 1363 transitions. [2018-10-10 14:45:39,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-10-10 14:45:39,849 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 406 [2018-10-10 14:45:39,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:39,854 INFO L225 Difference]: With dead ends: 1342 [2018-10-10 14:45:39,854 INFO L226 Difference]: Without dead ends: 1342 [2018-10-10 14:45:39,855 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=390, Invalid=1092, Unknown=0, NotChecked=0, Total=1482 [2018-10-10 14:45:39,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2018-10-10 14:45:39,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1049. [2018-10-10 14:45:39,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1049 states. [2018-10-10 14:45:39,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1066 transitions. [2018-10-10 14:45:39,868 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1066 transitions. Word has length 406 [2018-10-10 14:45:39,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:39,868 INFO L481 AbstractCegarLoop]: Abstraction has 1049 states and 1066 transitions. [2018-10-10 14:45:39,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-10 14:45:39,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1066 transitions. [2018-10-10 14:45:39,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2018-10-10 14:45:39,871 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:39,871 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:45:39,872 INFO L424 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:39,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:39,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1667359506, now seen corresponding path program 1 times [2018-10-10 14:45:39,872 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:39,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:39,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:39,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:39,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:39,882 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:45:39,883 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:45:39,883 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:45:39,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:40,030 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:45:40,195 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 14:45:40,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:40,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 14:45:40,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 14:45:40,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 14:45:40,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-10 14:45:40,217 INFO L87 Difference]: Start difference. First operand 1049 states and 1066 transitions. Second operand 5 states. [2018-10-10 14:45:40,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:40,821 INFO L93 Difference]: Finished difference Result 1222 states and 1239 transitions. [2018-10-10 14:45:40,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:45:40,822 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 416 [2018-10-10 14:45:40,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:40,827 INFO L225 Difference]: With dead ends: 1222 [2018-10-10 14:45:40,828 INFO L226 Difference]: Without dead ends: 1222 [2018-10-10 14:45:40,828 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:45:40,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2018-10-10 14:45:40,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1048. [2018-10-10 14:45:40,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1048 states. [2018-10-10 14:45:40,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1065 transitions. [2018-10-10 14:45:40,841 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1065 transitions. Word has length 416 [2018-10-10 14:45:40,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:40,841 INFO L481 AbstractCegarLoop]: Abstraction has 1048 states and 1065 transitions. [2018-10-10 14:45:40,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 14:45:40,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1065 transitions. [2018-10-10 14:45:40,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2018-10-10 14:45:40,844 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:40,844 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:45:40,845 INFO L424 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:40,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:40,845 INFO L82 PathProgramCache]: Analyzing trace with hash 148537714, now seen corresponding path program 1 times [2018-10-10 14:45:40,845 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:40,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:40,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:40,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:40,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:40,855 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:45:40,856 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:45:40,856 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2018-10-10 14:45:40,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:45:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:41,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:45:41,321 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 14:45:41,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:41,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-10-10 14:45:41,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-10 14:45:41,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-10 14:45:41,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2018-10-10 14:45:41,343 INFO L87 Difference]: Start difference. First operand 1048 states and 1065 transitions. Second operand 16 states. [2018-10-10 14:45:43,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:43,885 INFO L93 Difference]: Finished difference Result 1340 states and 1361 transitions. [2018-10-10 14:45:43,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-10-10 14:45:43,886 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 417 [2018-10-10 14:45:43,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:43,892 INFO L225 Difference]: With dead ends: 1340 [2018-10-10 14:45:43,892 INFO L226 Difference]: Without dead ends: 1340 [2018-10-10 14:45:43,894 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1237 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1071, Invalid=3621, Unknown=0, NotChecked=0, Total=4692 [2018-10-10 14:45:43,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2018-10-10 14:45:43,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1047. [2018-10-10 14:45:43,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2018-10-10 14:45:43,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1064 transitions. [2018-10-10 14:45:43,906 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1064 transitions. Word has length 417 [2018-10-10 14:45:43,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:43,907 INFO L481 AbstractCegarLoop]: Abstraction has 1047 states and 1064 transitions. [2018-10-10 14:45:43,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-10 14:45:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1064 transitions. [2018-10-10 14:45:43,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-10-10 14:45:43,910 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:43,910 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:45:43,911 INFO L424 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:43,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:43,911 INFO L82 PathProgramCache]: Analyzing trace with hash -172433029, now seen corresponding path program 1 times [2018-10-10 14:45:43,911 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:43,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:43,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:43,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:43,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:43,921 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:45:43,921 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:45:43,922 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:45:43,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:44,087 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:45:44,395 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 14:45:44,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:44,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-10 14:45:44,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 14:45:44,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 14:45:44,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-10 14:45:44,418 INFO L87 Difference]: Start difference. First operand 1047 states and 1064 transitions. Second operand 7 states. [2018-10-10 14:45:45,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:45:45,218 INFO L93 Difference]: Finished difference Result 1371 states and 1391 transitions. [2018-10-10 14:45:45,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-10 14:45:45,219 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 430 [2018-10-10 14:45:45,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:45:45,225 INFO L225 Difference]: With dead ends: 1371 [2018-10-10 14:45:45,225 INFO L226 Difference]: Without dead ends: 1371 [2018-10-10 14:45:45,225 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2018-10-10 14:45:45,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2018-10-10 14:45:45,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1045. [2018-10-10 14:45:45,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2018-10-10 14:45:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1062 transitions. [2018-10-10 14:45:45,238 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1062 transitions. Word has length 430 [2018-10-10 14:45:45,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:45:45,238 INFO L481 AbstractCegarLoop]: Abstraction has 1045 states and 1062 transitions. [2018-10-10 14:45:45,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 14:45:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1062 transitions. [2018-10-10 14:45:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2018-10-10 14:45:45,241 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:45:45,241 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:45:45,242 INFO L424 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:45:45,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:45:45,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1050455997, now seen corresponding path program 1 times [2018-10-10 14:45:45,242 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:45:45,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:45:45,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:45,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:45,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:45:45,252 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:45:45,252 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:45:45,252 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:45:45,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:45:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:45:45,428 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:45:45,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:45:45,505 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:45:45,513 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:45:45,513 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:18, output treesize:17 [2018-10-10 14:45:45,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:45:45,545 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:45:45,556 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:45:45,557 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:26, output treesize:22 [2018-10-10 14:45:45,944 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:45:45,945 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:45:45,946 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 14:45:45,946 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:45:45,963 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:45:45,963 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:34 [2018-10-10 14:45:46,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-10 14:45:46,012 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:45:46,029 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:45:46,030 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:40, output treesize:34 [2018-10-10 14:45:46,902 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:45:46,903 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:45:46,904 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:45:46,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-10-10 14:45:46,906 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:45:46,921 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:45:46,922 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:39, output treesize:32 [2018-10-10 14:45:46,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-10 14:45:46,982 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:45:46,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:45:46,999 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:38, output treesize:24 [2018-10-10 14:45:48,453 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 14:45:48,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:45:48,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2018-10-10 14:45:48,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-10-10 14:45:48,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-10-10 14:45:48,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1356, Unknown=0, NotChecked=0, Total=1482 [2018-10-10 14:45:48,477 INFO L87 Difference]: Start difference. First operand 1045 states and 1062 transitions. Second operand 39 states. [2018-10-10 14:45:51,450 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-10 14:45:51,666 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-10-10 14:45:51,830 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-10 14:45:52,012 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-10-10 14:45:52,279 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-10-10 14:45:52,466 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-10-10 14:45:54,159 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2018-10-10 14:45:54,408 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-10-10 14:45:54,732 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2018-10-10 14:45:55,212 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2018-10-10 14:45:55,593 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2018-10-10 14:45:56,047 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2018-10-10 14:45:56,421 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2018-10-10 14:45:56,882 WARN L178 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2018-10-10 14:45:57,352 WARN L178 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2018-10-10 14:45:57,845 WARN L178 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2018-10-10 14:45:58,298 WARN L178 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2018-10-10 14:45:58,705 WARN L178 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2018-10-10 14:45:59,011 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2018-10-10 14:45:59,381 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2018-10-10 14:45:59,747 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-10-10 14:45:59,925 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2018-10-10 14:46:00,113 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2018-10-10 14:46:00,321 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2018-10-10 14:46:00,534 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2018-10-10 14:46:01,172 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2018-10-10 14:46:01,402 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2018-10-10 14:46:01,844 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2018-10-10 14:46:02,170 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2018-10-10 14:46:02,660 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2018-10-10 14:46:03,094 WARN L178 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 102 [2018-10-10 14:46:03,606 WARN L178 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 113 [2018-10-10 14:46:04,059 WARN L178 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 102 [2018-10-10 14:46:04,605 WARN L178 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 113 [2018-10-10 14:46:05,781 WARN L178 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 124 [2018-10-10 14:46:06,311 WARN L178 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 115 [2018-10-10 14:46:07,600 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2018-10-10 14:46:07,900 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2018-10-10 14:46:08,110 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2018-10-10 14:46:08,341 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2018-10-10 14:46:10,649 WARN L178 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 111 [2018-10-10 14:46:11,052 WARN L178 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2018-10-10 14:46:11,353 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2018-10-10 14:46:11,707 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2018-10-10 14:46:11,979 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2018-10-10 14:46:13,535 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2018-10-10 14:46:15,001 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-10-10 14:46:15,221 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2018-10-10 14:46:15,475 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-10-10 14:46:15,672 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2018-10-10 14:46:18,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:46:18,853 INFO L93 Difference]: Finished difference Result 1353 states and 1373 transitions. [2018-10-10 14:46:18,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-10-10 14:46:18,854 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 431 [2018-10-10 14:46:18,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:46:18,860 INFO L225 Difference]: With dead ends: 1353 [2018-10-10 14:46:18,860 INFO L226 Difference]: Without dead ends: 1353 [2018-10-10 14:46:18,861 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6144 ImplicationChecksByTransitivity, 22.8s TimeCoverageRelationStatistics Valid=4142, Invalid=17910, Unknown=0, NotChecked=0, Total=22052 [2018-10-10 14:46:18,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2018-10-10 14:46:18,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1044. [2018-10-10 14:46:18,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2018-10-10 14:46:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1061 transitions. [2018-10-10 14:46:18,870 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1061 transitions. Word has length 431 [2018-10-10 14:46:18,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:46:18,870 INFO L481 AbstractCegarLoop]: Abstraction has 1044 states and 1061 transitions. [2018-10-10 14:46:18,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-10-10 14:46:18,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1061 transitions. [2018-10-10 14:46:18,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-10-10 14:46:18,873 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:46:18,873 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:46:18,874 INFO L424 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:46:18,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:46:18,874 INFO L82 PathProgramCache]: Analyzing trace with hash 43832520, now seen corresponding path program 1 times [2018-10-10 14:46:18,874 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:46:18,874 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:46:18,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:46:18,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:46:18,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:46:18,884 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:46:18,884 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:46:18,884 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:46:18,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:46:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:46:19,036 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:46:19,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:46:19,054 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:46:19,079 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:46:19,079 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-10 14:46:19,293 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:46:19,294 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:46:19,295 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 14:46:19,295 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:46:19,301 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 14:46:19,301 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-10-10 14:46:19,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-10-10 14:46:19,359 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:46:19,365 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:46:19,366 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:20 [2018-10-10 14:46:19,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-10-10 14:46:19,464 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:46:19,477 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:46:19,478 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:20 [2018-10-10 14:46:19,945 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 14:46:19,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:46:19,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-10-10 14:46:19,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-10 14:46:19,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-10 14:46:19,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2018-10-10 14:46:19,968 INFO L87 Difference]: Start difference. First operand 1044 states and 1061 transitions. Second operand 18 states. [2018-10-10 14:46:25,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:46:25,404 INFO L93 Difference]: Finished difference Result 2317 states and 2351 transitions. [2018-10-10 14:46:25,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-10-10 14:46:25,405 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 439 [2018-10-10 14:46:25,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:46:25,411 INFO L225 Difference]: With dead ends: 2317 [2018-10-10 14:46:25,411 INFO L226 Difference]: Without dead ends: 2317 [2018-10-10 14:46:25,412 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 445 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1082 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=983, Invalid=3987, Unknown=0, NotChecked=0, Total=4970 [2018-10-10 14:46:25,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2317 states. [2018-10-10 14:46:25,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2317 to 1449. [2018-10-10 14:46:25,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1449 states. [2018-10-10 14:46:25,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1474 transitions. [2018-10-10 14:46:25,426 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1474 transitions. Word has length 439 [2018-10-10 14:46:25,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:46:25,427 INFO L481 AbstractCegarLoop]: Abstraction has 1449 states and 1474 transitions. [2018-10-10 14:46:25,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-10 14:46:25,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1474 transitions. [2018-10-10 14:46:25,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2018-10-10 14:46:25,429 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:46:25,429 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:46:25,429 INFO L424 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:46:25,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:46:25,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1358808737, now seen corresponding path program 1 times [2018-10-10 14:46:25,429 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:46:25,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:46:25,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:46:25,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:46:25,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:46:25,438 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:46:25,438 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:46:25,438 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:46:25,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:46:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:46:25,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:46:26,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:46:26,392 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:46:26,502 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:46:26,502 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:18, output treesize:17 [2018-10-10 14:46:26,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:46:26,733 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:46:26,743 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:46:26,743 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:26, output treesize:22 [2018-10-10 14:46:27,241 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:46:27,241 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:46:27,242 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 14:46:27,243 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:46:27,259 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:46:27,259 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:33, output treesize:31 [2018-10-10 14:46:27,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-10 14:46:27,351 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:46:27,416 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-10-10 14:46:27,417 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:37, output treesize:31 [2018-10-10 14:46:27,596 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:46:27,597 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:46:27,598 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:46:27,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-10-10 14:46:27,599 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:46:27,619 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-10-10 14:46:27,620 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:42, output treesize:44 [2018-10-10 14:46:27,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-10 14:46:27,682 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:46:27,701 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-10-10 14:46:27,702 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:50, output treesize:44 [2018-10-10 14:46:28,313 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:46:28,314 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:46:28,315 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:46:28,316 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:46:28,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2018-10-10 14:46:28,318 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:46:28,338 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:46:28,338 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:49, output treesize:21 [2018-10-10 14:46:28,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-10 14:46:28,387 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:46:28,398 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:46:28,398 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:27, output treesize:17 [2018-10-10 14:46:29,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:46:29,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:46:29,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2018-10-10 14:46:29,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-10-10 14:46:29,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-10-10 14:46:29,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=972, Unknown=0, NotChecked=0, Total=1056 [2018-10-10 14:46:29,551 INFO L87 Difference]: Start difference. First operand 1449 states and 1474 transitions. Second operand 33 states. [2018-10-10 14:46:31,217 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-10-10 14:46:32,427 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-10 14:46:32,647 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-10-10 14:46:32,813 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-10 14:46:33,027 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2018-10-10 14:46:35,282 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-10 14:46:35,499 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2018-10-10 14:46:35,672 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-10 14:46:35,868 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-10-10 14:46:37,317 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2018-10-10 14:46:37,718 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2018-10-10 14:46:37,971 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2018-10-10 14:46:38,623 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2018-10-10 14:46:38,966 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2018-10-10 14:46:41,344 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2018-10-10 14:46:45,683 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2018-10-10 14:46:48,296 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2018-10-10 14:47:08,672 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2018-10-10 14:47:09,911 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2018-10-10 14:47:14,926 WARN L178 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2018-10-10 14:47:15,188 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-10-10 14:47:15,493 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2018-10-10 14:47:16,072 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2018-10-10 14:47:18,461 WARN L178 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2018-10-10 14:47:21,088 WARN L178 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2018-10-10 14:47:21,598 WARN L178 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2018-10-10 14:47:22,056 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2018-10-10 14:47:24,378 WARN L178 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2018-10-10 14:47:24,605 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2018-10-10 14:47:24,783 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2018-10-10 14:47:25,004 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2018-10-10 14:47:25,894 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2018-10-10 14:47:26,666 WARN L178 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2018-10-10 14:47:27,013 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2018-10-10 14:47:27,491 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2018-10-10 14:47:29,717 WARN L178 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2018-10-10 14:47:31,077 WARN L178 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 118 DAG size of output: 113 [2018-10-10 14:47:31,588 WARN L178 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2018-10-10 14:47:34,120 WARN L178 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 118 DAG size of output: 113 [2018-10-10 14:47:34,921 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2018-10-10 14:47:37,472 WARN L178 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 128 DAG size of output: 123 [2018-10-10 14:47:37,707 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2018-10-10 14:47:37,936 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2018-10-10 14:47:38,649 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-10-10 14:47:42,069 WARN L178 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 122 [2018-10-10 14:47:44,642 WARN L178 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 136 DAG size of output: 131 [2018-10-10 14:47:45,346 WARN L178 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 122 [2018-10-10 14:47:47,317 WARN L178 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 136 DAG size of output: 131 [2018-10-10 14:47:50,521 WARN L178 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2018-10-10 14:47:52,850 WARN L178 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2018-10-10 14:47:53,134 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2018-10-10 14:47:53,595 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2018-10-10 14:47:53,843 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2018-10-10 14:47:57,438 WARN L178 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2018-10-10 14:47:57,709 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2018-10-10 14:47:58,056 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2018-10-10 14:47:58,776 WARN L178 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2018-10-10 14:48:00,774 WARN L178 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-10-10 14:48:05,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:48:05,494 INFO L93 Difference]: Finished difference Result 2319 states and 2353 transitions. [2018-10-10 14:48:05,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-10-10 14:48:05,497 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 440 [2018-10-10 14:48:05,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:48:05,504 INFO L225 Difference]: With dead ends: 2319 [2018-10-10 14:48:05,505 INFO L226 Difference]: Without dead ends: 2319 [2018-10-10 14:48:05,507 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 441 SyntacticMatches, 2 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7087 ImplicationChecksByTransitivity, 58.2s TimeCoverageRelationStatistics Valid=4693, Invalid=18864, Unknown=5, NotChecked=0, Total=23562 [2018-10-10 14:48:05,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2018-10-10 14:48:05,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 1450. [2018-10-10 14:48:05,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1450 states. [2018-10-10 14:48:05,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 1475 transitions. [2018-10-10 14:48:05,525 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 1475 transitions. Word has length 440 [2018-10-10 14:48:05,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:48:05,525 INFO L481 AbstractCegarLoop]: Abstraction has 1450 states and 1475 transitions. [2018-10-10 14:48:05,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-10-10 14:48:05,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 1475 transitions. [2018-10-10 14:48:05,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2018-10-10 14:48:05,528 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:48:05,528 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:05,529 INFO L424 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:48:05,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:48:05,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1579432879, now seen corresponding path program 1 times [2018-10-10 14:48:05,530 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:48:05,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:48:05,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:05,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:05,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:05,539 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:48:05,539 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:48:05,539 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:48:05,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:48:05,696 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:48:06,030 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 14:48:06,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:48:06,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-10-10 14:48:06,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-10 14:48:06,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-10 14:48:06,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2018-10-10 14:48:06,053 INFO L87 Difference]: Start difference. First operand 1450 states and 1475 transitions. Second operand 16 states. [2018-10-10 14:48:08,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:48:08,102 INFO L93 Difference]: Finished difference Result 1665 states and 1693 transitions. [2018-10-10 14:48:08,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-10-10 14:48:08,103 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 451 [2018-10-10 14:48:08,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:48:08,108 INFO L225 Difference]: With dead ends: 1665 [2018-10-10 14:48:08,108 INFO L226 Difference]: Without dead ends: 1665 [2018-10-10 14:48:08,109 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=498, Invalid=1482, Unknown=0, NotChecked=0, Total=1980 [2018-10-10 14:48:08,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2018-10-10 14:48:08,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1449. [2018-10-10 14:48:08,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1449 states. [2018-10-10 14:48:08,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1474 transitions. [2018-10-10 14:48:08,126 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1474 transitions. Word has length 451 [2018-10-10 14:48:08,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:48:08,127 INFO L481 AbstractCegarLoop]: Abstraction has 1449 states and 1474 transitions. [2018-10-10 14:48:08,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-10 14:48:08,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1474 transitions. [2018-10-10 14:48:08,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-10-10 14:48:08,130 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:48:08,130 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:08,130 INFO L424 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:48:08,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:48:08,131 INFO L82 PathProgramCache]: Analyzing trace with hash -430035115, now seen corresponding path program 1 times [2018-10-10 14:48:08,131 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:48:08,131 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:48:08,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:08,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:08,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:08,141 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:48:08,141 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:48:08,141 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:48:08,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:48:08,300 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:48:08,468 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 14:48:08,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:48:08,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 14:48:08,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 14:48:08,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 14:48:08,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-10 14:48:08,490 INFO L87 Difference]: Start difference. First operand 1449 states and 1474 transitions. Second operand 5 states. [2018-10-10 14:48:09,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:48:09,098 INFO L93 Difference]: Finished difference Result 1601 states and 1626 transitions. [2018-10-10 14:48:09,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:48:09,098 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 461 [2018-10-10 14:48:09,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:48:09,102 INFO L225 Difference]: With dead ends: 1601 [2018-10-10 14:48:09,102 INFO L226 Difference]: Without dead ends: 1601 [2018-10-10 14:48:09,103 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 459 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:48:09,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2018-10-10 14:48:09,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1448. [2018-10-10 14:48:09,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1448 states. [2018-10-10 14:48:09,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1448 states and 1473 transitions. [2018-10-10 14:48:09,119 INFO L78 Accepts]: Start accepts. Automaton has 1448 states and 1473 transitions. Word has length 461 [2018-10-10 14:48:09,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:48:09,119 INFO L481 AbstractCegarLoop]: Abstraction has 1448 states and 1473 transitions. [2018-10-10 14:48:09,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 14:48:09,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1473 transitions. [2018-10-10 14:48:09,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2018-10-10 14:48:09,121 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:48:09,121 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:09,122 INFO L424 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:48:09,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:48:09,122 INFO L82 PathProgramCache]: Analyzing trace with hash -446186034, now seen corresponding path program 1 times [2018-10-10 14:48:09,122 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:48:09,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:48:09,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:09,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:09,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:09,130 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:48:09,130 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:48:09,130 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:48:09,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:48:09,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:48:09,577 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 14:48:09,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:48:09,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-10-10 14:48:09,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-10 14:48:09,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-10 14:48:09,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2018-10-10 14:48:09,604 INFO L87 Difference]: Start difference. First operand 1448 states and 1473 transitions. Second operand 16 states. [2018-10-10 14:48:12,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:48:12,255 INFO L93 Difference]: Finished difference Result 1663 states and 1691 transitions. [2018-10-10 14:48:12,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-10-10 14:48:12,256 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 462 [2018-10-10 14:48:12,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:48:12,260 INFO L225 Difference]: With dead ends: 1663 [2018-10-10 14:48:12,260 INFO L226 Difference]: Without dead ends: 1663 [2018-10-10 14:48:12,261 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 469 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1237 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1071, Invalid=3621, Unknown=0, NotChecked=0, Total=4692 [2018-10-10 14:48:12,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2018-10-10 14:48:12,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1447. [2018-10-10 14:48:12,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1447 states. [2018-10-10 14:48:12,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1447 states and 1472 transitions. [2018-10-10 14:48:12,276 INFO L78 Accepts]: Start accepts. Automaton has 1447 states and 1472 transitions. Word has length 462 [2018-10-10 14:48:12,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:48:12,277 INFO L481 AbstractCegarLoop]: Abstraction has 1447 states and 1472 transitions. [2018-10-10 14:48:12,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-10 14:48:12,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 1472 transitions. [2018-10-10 14:48:12,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2018-10-10 14:48:12,280 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:48:12,280 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:12,281 INFO L424 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:48:12,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:48:12,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1483514978, now seen corresponding path program 1 times [2018-10-10 14:48:12,281 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:48:12,282 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:48:12,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:12,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:12,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:12,292 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:48:12,292 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:48:12,293 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:48:12,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:48:12,452 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:48:12,614 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 14:48:12,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:48:12,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-10 14:48:12,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 14:48:12,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 14:48:12,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-10 14:48:12,636 INFO L87 Difference]: Start difference. First operand 1447 states and 1472 transitions. Second operand 7 states. [2018-10-10 14:48:13,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:48:13,556 INFO L93 Difference]: Finished difference Result 1693 states and 1720 transitions. [2018-10-10 14:48:13,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-10 14:48:13,556 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 475 [2018-10-10 14:48:13,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:48:13,560 INFO L225 Difference]: With dead ends: 1693 [2018-10-10 14:48:13,560 INFO L226 Difference]: Without dead ends: 1693 [2018-10-10 14:48:13,560 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2018-10-10 14:48:13,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2018-10-10 14:48:13,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1445. [2018-10-10 14:48:13,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2018-10-10 14:48:13,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1470 transitions. [2018-10-10 14:48:13,572 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1470 transitions. Word has length 475 [2018-10-10 14:48:13,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:48:13,573 INFO L481 AbstractCegarLoop]: Abstraction has 1445 states and 1470 transitions. [2018-10-10 14:48:13,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 14:48:13,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1470 transitions. [2018-10-10 14:48:13,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-10-10 14:48:13,575 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:48:13,575 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:13,575 INFO L424 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:48:13,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:48:13,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1255676607, now seen corresponding path program 1 times [2018-10-10 14:48:13,576 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:48:13,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:48:13,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:13,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:13,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:13,586 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:48:13,586 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:48:13,586 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:48:13,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:48:13,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:48:14,238 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 14:48:14,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:48:14,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-10-10 14:48:14,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-10 14:48:14,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-10 14:48:14,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2018-10-10 14:48:14,261 INFO L87 Difference]: Start difference. First operand 1445 states and 1470 transitions. Second operand 16 states. [2018-10-10 14:48:17,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:48:17,103 INFO L93 Difference]: Finished difference Result 1585 states and 1612 transitions. [2018-10-10 14:48:17,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-10-10 14:48:17,104 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 476 [2018-10-10 14:48:17,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:48:17,107 INFO L225 Difference]: With dead ends: 1585 [2018-10-10 14:48:17,107 INFO L226 Difference]: Without dead ends: 1585 [2018-10-10 14:48:17,107 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 802 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=858, Invalid=2682, Unknown=0, NotChecked=0, Total=3540 [2018-10-10 14:48:17,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2018-10-10 14:48:17,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1444. [2018-10-10 14:48:17,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1444 states. [2018-10-10 14:48:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1469 transitions. [2018-10-10 14:48:17,118 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 1469 transitions. Word has length 476 [2018-10-10 14:48:17,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:48:17,118 INFO L481 AbstractCegarLoop]: Abstraction has 1444 states and 1469 transitions. [2018-10-10 14:48:17,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-10 14:48:17,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1469 transitions. [2018-10-10 14:48:17,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2018-10-10 14:48:17,120 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:48:17,121 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:17,121 INFO L424 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:48:17,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:48:17,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1393118524, now seen corresponding path program 1 times [2018-10-10 14:48:17,122 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:48:17,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:48:17,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:17,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:17,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:48:17,130 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:48:17,131 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:48:17,131 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:48:17,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:48:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:48:17,298 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:48:17,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:48:17,301 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:48:17,313 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:48:17,314 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-10 14:48:17,422 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:48:17,423 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:48:17,424 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 14:48:17,425 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:48:17,430 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:48:17,431 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2018-10-10 14:48:17,729 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:48:17,731 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:48:17,733 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:48:17,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-10-10 14:48:17,734 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:48:17,752 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:48:17,752 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:28 [2018-10-10 14:48:18,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 33 [2018-10-10 14:48:18,352 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:48:18,367 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:48:18,367 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:33 [2018-10-10 14:48:18,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2018-10-10 14:48:18,892 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:48:18,905 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 14:48:18,906 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:38 [2018-10-10 14:48:22,049 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 14:48:22,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:48:22,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2018-10-10 14:48:22,069 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-10-10 14:48:22,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-10-10 14:48:22,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=2411, Unknown=1, NotChecked=0, Total=2652 [2018-10-10 14:48:22,070 INFO L87 Difference]: Start difference. First operand 1444 states and 1469 transitions. Second operand 52 states. [2018-10-10 14:49:16,155 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2018-10-10 14:49:16,482 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2018-10-10 14:49:16,668 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2018-10-10 14:49:16,888 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2018-10-10 14:49:17,071 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2018-10-10 14:49:17,235 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2018-10-10 14:49:18,447 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2018-10-10 14:49:18,645 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2018-10-10 14:49:18,806 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2018-10-10 14:49:19,012 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2018-10-10 14:49:19,239 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2018-10-10 14:49:19,530 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2018-10-10 14:49:19,738 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2018-10-10 14:49:19,912 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2018-10-10 14:49:20,076 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2018-10-10 14:49:21,089 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2018-10-10 14:49:21,293 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2018-10-10 14:49:21,525 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2018-10-10 14:49:21,710 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2018-10-10 14:49:21,975 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2018-10-10 14:49:22,239 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2018-10-10 14:49:22,575 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2018-10-10 14:49:23,042 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2018-10-10 14:49:23,628 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2018-10-10 14:49:23,863 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2018-10-10 14:49:24,031 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2018-10-10 14:49:24,988 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2018-10-10 14:49:25,183 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2018-10-10 14:49:59,421 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2018-10-10 14:49:59,642 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2018-10-10 14:49:59,867 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2018-10-10 14:50:21,222 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2018-10-10 14:50:21,497 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2018-10-10 14:50:21,751 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2018-10-10 14:50:22,065 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2018-10-10 14:52:30,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:52:30,840 INFO L93 Difference]: Finished difference Result 3756 states and 3814 transitions. [2018-10-10 14:52:30,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-10-10 14:52:30,840 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 484 [2018-10-10 14:52:30,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:52:30,845 INFO L225 Difference]: With dead ends: 3756 [2018-10-10 14:52:30,845 INFO L226 Difference]: Without dead ends: 3756 [2018-10-10 14:52:30,847 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 460 SyntacticMatches, 2 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8784 ImplicationChecksByTransitivity, 34.8s TimeCoverageRelationStatistics Valid=4626, Invalid=24434, Unknown=10, NotChecked=0, Total=29070 [2018-10-10 14:52:30,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3756 states. [2018-10-10 14:52:30,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3756 to 1973. [2018-10-10 14:52:30,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1973 states. [2018-10-10 14:52:30,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1973 states and 2010 transitions. [2018-10-10 14:52:30,868 INFO L78 Accepts]: Start accepts. Automaton has 1973 states and 2010 transitions. Word has length 484 [2018-10-10 14:52:30,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:52:30,869 INFO L481 AbstractCegarLoop]: Abstraction has 1973 states and 2010 transitions. [2018-10-10 14:52:30,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-10-10 14:52:30,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2010 transitions. [2018-10-10 14:52:30,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2018-10-10 14:52:30,871 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:52:30,871 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:30,871 INFO L424 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:52:30,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:52:30,872 INFO L82 PathProgramCache]: Analyzing trace with hash -237000604, now seen corresponding path program 1 times [2018-10-10 14:52:30,872 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:52:30,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:52:30,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:52:30,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:52:30,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:52:30,880 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:52:30,881 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:52:30,881 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:52:30,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:52:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:52:31,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:52:31,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:52:31,274 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:31,281 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:52:31,281 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:18, output treesize:17 [2018-10-10 14:52:31,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 14:52:31,348 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:31,361 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:52:31,362 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:26, output treesize:22 [2018-10-10 14:52:32,285 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:52:32,286 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:52:32,287 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 14:52:32,287 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:32,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:52:32,307 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:33, output treesize:31 [2018-10-10 14:52:32,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-10 14:52:32,387 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:32,403 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:52:32,403 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:37, output treesize:31 [2018-10-10 14:52:33,593 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:52:33,595 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:52:33,596 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:52:33,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-10-10 14:52:33,597 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:33,613 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:52:33,614 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:29 [2018-10-10 14:52:33,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-10 14:52:33,720 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:33,743 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-10 14:52:33,743 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:35, output treesize:29 [2018-10-10 14:52:35,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 14 treesize of output 20 [2018-10-10 14:52:35,933 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-10 14:52:36,180 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-10-10 14:52:36,180 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:38, output treesize:55 [2018-10-10 14:52:36,531 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-10 14:52:36,907 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-10 14:52:37,301 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-10 14:52:37,795 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-10 14:52:38,229 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-10 14:52:38,662 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-10 14:52:39,236 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-10 14:52:39,709 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-10 14:52:40,407 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-10 14:52:40,863 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-10 14:52:41,300 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-10-10 14:52:41,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2018-10-10 14:52:41,305 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:41,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 47 [2018-10-10 14:52:41,367 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-10 14:52:41,458 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-10-10 14:52:41,459 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:73, output treesize:86 [2018-10-10 14:52:42,099 WARN L178 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-10 14:52:42,790 WARN L178 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-10 14:52:43,381 WARN L178 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-10 14:52:44,151 WARN L178 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-10 14:52:44,895 WARN L178 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-10 14:52:45,732 WARN L178 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-10 14:52:46,424 WARN L178 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-10 14:52:47,136 WARN L178 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-10 14:52:47,895 WARN L178 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-10-10 14:52:47,906 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 51 treesize of output 48 [2018-10-10 14:52:47,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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 14:52:47,913 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:47,931 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:52:48,060 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 47 treesize of output 44 [2018-10-10 14:52:48,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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 14:52:48,063 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:48,080 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:52:48,183 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 48 treesize of output 45 [2018-10-10 14:52:48,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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 14:52:48,186 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:48,222 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:52:48,310 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 61 treesize of output 58 [2018-10-10 14:52:48,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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 14:52:48,314 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:48,340 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:52:48,423 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 44 treesize of output 41 [2018-10-10 14:52:48,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 14:52:48,426 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:48,442 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:52:48,606 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 57 treesize of output 54 [2018-10-10 14:52:48,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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 14:52:48,625 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:48,665 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:52:48,736 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 6 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-10-10 14:52:48,737 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 13 variables, input treesize:161, output treesize:110 [2018-10-10 14:52:49,603 WARN L178 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-10-10 14:52:50,264 WARN L178 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-10-10 14:52:51,002 WARN L178 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-10-10 14:52:51,010 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 54 treesize of output 50 [2018-10-10 14:52:51,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-10-10 14:52:51,013 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:51,032 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:52:51,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 43 [2018-10-10 14:52:51,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 7 [2018-10-10 14:52:51,122 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:51,138 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:52:51,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2018-10-10 14:52:51,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-10 14:52:51,218 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:51,230 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:52:51,309 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 43 treesize of output 39 [2018-10-10 14:52:51,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 7 [2018-10-10 14:52:51,328 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:51,362 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:52:51,436 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 60 treesize of output 56 [2018-10-10 14:52:51,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 7 [2018-10-10 14:52:51,440 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:51,466 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:52:51,536 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 49 treesize of output 47 [2018-10-10 14:52:51,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-10 14:52:51,539 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-10 14:52:51,558 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:52:51,617 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 6 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-10-10 14:52:51,617 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 13 variables, input treesize:162, output treesize:89 [2018-10-10 14:52:52,236 WARN L178 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2018-10-10 14:52:54,978 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 14:52:54,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:52:54,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [77] imperfect sequences [] total 77 [2018-10-10 14:52:55,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-10-10 14:52:55,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-10-10 14:52:55,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=5800, Unknown=0, NotChecked=0, Total=6006 [2018-10-10 14:52:55,001 INFO L87 Difference]: Start difference. First operand 1973 states and 2010 transitions. Second operand 78 states. [2018-10-10 14:52:57,735 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-10-10 14:52:58,419 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-10-10 14:52:58,824 WARN L178 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-10-10 14:52:59,276 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-10-10 14:52:59,636 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-10-10 14:53:00,121 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-10-10 14:53:00,623 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-10 14:53:01,201 WARN L178 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-10-10 14:53:01,623 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 86