java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/float-benchs/image_filter.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:34:16,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:34:16,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:34:16,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 01:34:16,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 01:34:16,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 01:34:16,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 01:34:16,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 01:34:16,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 01:34:16,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 01:34:16,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 01:34:16,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 01:34:16,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 01:34:16,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 01:34:16,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 01:34:16,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 01:34:16,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 01:34:16,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 01:34:16,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 01:34:16,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 01:34:16,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 01:34:16,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 01:34:16,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 01:34:16,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 01:34:16,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 01:34:16,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 01:34:16,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 01:34:16,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 01:34:16,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 01:34:16,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 01:34:16,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 01:34:16,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 01:34:16,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 01:34:16,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 01:34:16,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 01:34:16,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 01:34:16,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 01:34:16,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 01:34:16,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 01:34:16,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 01:34:16,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 01:34:16,233 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 01:34:16,247 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:34:16,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:34:16,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:34:16,248 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:34:16,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:34:16,249 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:34:16,249 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:34:16,250 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:34:16,250 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:34:16,250 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:34:16,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:34:16,251 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:34:16,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:34:16,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:34:16,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:34:16,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:34:16,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:34:16,252 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:34:16,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:34:16,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:34:16,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:34:16,253 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:34:16,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:34:16,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:34:16,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:34:16,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:34:16,254 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:34:16,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:34:16,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:34:16,254 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:34:16,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:34:16,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:34:16,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:34:16,300 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:34:16,301 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:34:16,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/image_filter.c [2019-09-10 01:34:16,362 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f65cc820/c143ed0e39b54751ababb89d3d8e3c12/FLAG02554fa12 [2019-09-10 01:34:16,811 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:34:16,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/image_filter.c [2019-09-10 01:34:16,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f65cc820/c143ed0e39b54751ababb89d3d8e3c12/FLAG02554fa12 [2019-09-10 01:34:17,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f65cc820/c143ed0e39b54751ababb89d3d8e3c12 [2019-09-10 01:34:17,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:34:17,129 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:34:17,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:34:17,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:34:17,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:34:17,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:34:17" (1/1) ... [2019-09-10 01:34:17,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767ffd51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:34:17, skipping insertion in model container [2019-09-10 01:34:17,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:34:17" (1/1) ... [2019-09-10 01:34:17,145 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:34:17,195 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:34:17,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:34:17,540 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:34:17,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:34:17,742 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:34:17,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:34:17 WrapperNode [2019-09-10 01:34:17,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:34:17,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:34:17,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:34:17,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:34:17,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:34:17" (1/1) ... [2019-09-10 01:34:17,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:34:17" (1/1) ... [2019-09-10 01:34:17,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:34:17" (1/1) ... [2019-09-10 01:34:17,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:34:17" (1/1) ... [2019-09-10 01:34:17,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:34:17" (1/1) ... [2019-09-10 01:34:17,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:34:17" (1/1) ... [2019-09-10 01:34:17,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:34:17" (1/1) ... [2019-09-10 01:34:17,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:34:17,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:34:17,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:34:17,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:34:17,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:34:17" (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 [2019-09-10 01:34:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:34:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:34:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-10 01:34:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure blur [2019-09-10 01:34:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure sobel [2019-09-10 01:34:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure filter [2019-09-10 01:34:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure sobelitereen [2019-09-10 01:34:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:34:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:34:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-10 01:34:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 01:34:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-10 01:34:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure blur [2019-09-10 01:34:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure sobel [2019-09-10 01:34:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure filter [2019-09-10 01:34:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-10 01:34:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure sobelitereen [2019-09-10 01:34:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 01:34:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-10 01:34:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 01:34:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:34:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:34:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:34:24,909 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:34:24,910 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 01:34:24,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:34:24 BoogieIcfgContainer [2019-09-10 01:34:24,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:34:24,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:34:24,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:34:24,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:34:24,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:34:17" (1/3) ... [2019-09-10 01:34:24,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ef2c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:34:24, skipping insertion in model container [2019-09-10 01:34:24,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:34:17" (2/3) ... [2019-09-10 01:34:24,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ef2c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:34:24, skipping insertion in model container [2019-09-10 01:34:24,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:34:24" (3/3) ... [2019-09-10 01:34:24,920 INFO L109 eAbstractionObserver]: Analyzing ICFG image_filter.c [2019-09-10 01:34:24,931 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:34:24,940 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 01:34:24,958 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 01:34:25,001 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:34:25,001 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:34:25,002 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:34:25,002 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:34:25,002 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:34:25,003 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:34:25,003 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:34:25,004 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:34:25,036 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2019-09-10 01:34:25,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1623 [2019-09-10 01:34:25,161 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:34:25,163 INFO L399 BasicCegarLoop]: trace histogram [266, 266, 40, 40, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:34:25,166 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:34:25,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:34:25,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1243503555, now seen corresponding path program 1 times [2019-09-10 01:34:25,176 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:34:25,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:34:25,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:34:25,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:34:25,218 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:34:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat