java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem09_label58_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 02:28:53,217 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 02:28:53,219 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 02:28:53,236 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 02:28:53,237 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 02:28:53,238 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 02:28:53,242 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 02:28:53,246 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 02:28:53,249 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 02:28:53,250 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 02:28:53,251 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 02:28:53,252 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 02:28:53,255 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 02:28:53,256 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 02:28:53,257 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 02:28:53,258 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 02:28:53,260 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 02:28:53,262 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 02:28:53,271 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 02:28:53,273 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 02:28:53,274 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 02:28:53,279 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 02:28:53,282 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 02:28:53,282 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 02:28:53,283 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 02:28:53,283 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 02:28:53,284 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 02:28:53,285 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 02:28:53,287 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 02:28:53,288 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 02:28:53,288 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 02:28:53,289 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 02:28:53,289 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 02:28:53,289 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 02:28:53,291 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 02:28:53,292 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 02:28:53,292 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-24 02:28:53,319 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 02:28:53,320 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 02:28:53,321 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 02:28:53,322 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-24 02:28:53,322 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-24 02:28:53,322 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-24 02:28:53,323 INFO L133 SettingsManager]: * Use SBE=true [2018-07-24 02:28:53,323 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 02:28:53,323 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 02:28:53,324 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 02:28:53,324 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 02:28:53,325 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 02:28:53,325 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 02:28:53,325 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 02:28:53,325 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 02:28:53,325 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 02:28:53,326 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 02:28:53,326 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 02:28:53,326 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 02:28:53,326 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 02:28:53,326 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 02:28:53,327 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 02:28:53,327 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 02:28:53,327 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-24 02:28:53,327 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 02:28:53,329 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 02:28:53,329 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 02:28:53,329 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 02:28:53,394 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 02:28:53,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 02:28:53,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 02:28:53,426 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 02:28:53,426 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 02:28:53,427 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem09_label58_true-unreach-call.c [2018-07-24 02:28:53,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba1c3fc2e/3bebd11c71c94f5d9b3e6f226ce31466/FLAGe70de36e1 [2018-07-24 02:28:56,572 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 02:28:56,573 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem09_label58_true-unreach-call.c [2018-07-24 02:28:56,840 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba1c3fc2e/3bebd11c71c94f5d9b3e6f226ce31466/FLAGe70de36e1 [2018-07-24 02:28:56,855 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba1c3fc2e/3bebd11c71c94f5d9b3e6f226ce31466 [2018-07-24 02:28:56,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 02:28:56,865 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 02:28:56,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 02:28:56,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 02:28:56,874 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 02:28:56,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 02:28:56" (1/1) ... [2018-07-24 02:28:56,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783c4b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:28:56, skipping insertion in model container [2018-07-24 02:28:56,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 02:28:56" (1/1) ... [2018-07-24 02:28:59,431 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 02:29:16,857 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 02:29:16,876 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 02:29:32,443 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 02:29:46,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:46 WrapperNode [2018-07-24 02:29:46,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 02:29:46,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 02:29:46,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 02:29:46,946 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 02:29:46,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:46" (1/1) ... [2018-07-24 02:29:47,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:46" (1/1) ... [2018-07-24 02:29:51,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 02:29:51,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 02:29:51,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 02:29:51,941 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 02:29:51,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:46" (1/1) ... [2018-07-24 02:29:51,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:46" (1/1) ... [2018-07-24 02:29:52,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:46" (1/1) ... [2018-07-24 02:29:52,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:46" (1/1) ... [2018-07-24 02:29:56,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:46" (1/1) ... [2018-07-24 02:29:56,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:46" (1/1) ... [2018-07-24 02:29:57,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:46" (1/1) ... [2018-07-24 02:29:57,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 02:29:57,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 02:29:57,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 02:29:57,719 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 02:29:57,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:46" (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 [2018-07-24 02:29:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-07-24 02:29:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 02:29:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 02:32:26,274 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 02:32:26,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 02:32:26 BoogieIcfgContainer [2018-07-24 02:32:26,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 02:32:26,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 02:32:26,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 02:32:26,280 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 02:32:26,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 02:28:56" (1/3) ... [2018-07-24 02:32:26,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218d86f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 02:32:26, skipping insertion in model container [2018-07-24 02:32:26,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:46" (2/3) ... [2018-07-24 02:32:26,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218d86f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 02:32:26, skipping insertion in model container [2018-07-24 02:32:26,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 02:32:26" (3/3) ... [2018-07-24 02:32:26,284 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem09_label58_true-unreach-call.c [2018-07-24 02:32:26,293 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 02:32:26,307 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 02:32:26,421 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 02:32:26,422 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 02:32:26,422 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 02:32:26,422 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 02:32:26,422 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 02:32:26,423 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 02:32:26,423 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 02:32:26,423 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 02:32:26,423 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 02:32:26,651 INFO L276 IsEmpty]: Start isEmpty. Operand 20357 states. Received shutdown request... [2018-07-24 02:32:31,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16504 [2018-07-24 02:32:31,126 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 02:32:31,139 INFO L353 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 02:32:31,141 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 02:32:31,159 INFO L82 PathProgramCache]: Analyzing trace with hash -428604761, now seen corresponding path program 1 times [2018-07-24 02:32:31,162 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 02:32:31,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 02:32:31,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 02:32:31,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 02:32:31,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 02:32:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-07-24 02:32:34,870 INFO L255 seRefinementStrategy]: Advancing trace checker [2018-07-24 02:32:34,871 INFO L221 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 [2018-07-24 02:32:34,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Cannot interrupt operation gracefully because timeout expired. Forcing shutdown