java -Xss4m -Xmx6000000000 -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 ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem08_label18_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-22 09:41:51,303 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-22 09:41:51,305 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-22 09:41:51,319 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-22 09:41:51,320 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-22 09:41:51,321 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-22 09:41:51,322 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-22 09:41:51,329 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-22 09:41:51,331 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-22 09:41:51,334 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-22 09:41:51,335 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-22 09:41:51,335 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-22 09:41:51,338 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-22 09:41:51,338 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-22 09:41:51,339 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-22 09:41:51,342 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-22 09:41:51,343 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-22 09:41:51,345 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-22 09:41:51,359 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-22 09:41:51,360 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-22 09:41:51,361 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-22 09:41:51,362 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-22 09:41:51,364 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-22 09:41:51,364 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-22 09:41:51,365 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-22 09:41:51,365 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-22 09:41:51,366 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-22 09:41:51,370 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-22 09:41:51,370 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-22 09:41:51,371 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-22 09:41:51,371 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-22 09:41:51,372 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-22 09:41:51,372 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-22 09:41:51,372 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-22 09:41:51,376 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-22 09:41:51,377 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-22 09:41:51,377 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-22 09:41:51,401 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-22 09:41:51,401 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-22 09:41:51,402 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-22 09:41:51,402 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-22 09:41:51,402 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-22 09:41:51,403 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-22 09:41:51,403 INFO L133 SettingsManager]: * Use SBE=true [2018-07-22 09:41:51,403 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-22 09:41:51,403 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-22 09:41:51,403 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-22 09:41:51,404 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-22 09:41:51,404 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-22 09:41:51,405 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-22 09:41:51,405 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-22 09:41:51,405 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-22 09:41:51,405 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-22 09:41:51,406 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-22 09:41:51,406 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-22 09:41:51,406 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-22 09:41:51,406 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-22 09:41:51,406 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-22 09:41:51,406 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-22 09:41:51,407 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-22 09:41:51,407 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-22 09:41:51,407 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-22 09:41:51,407 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-22 09:41:51,407 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-22 09:41:51,408 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-22 09:41:51,409 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-22 09:41:51,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-22 09:41:51,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-22 09:41:51,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-22 09:41:51,479 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-22 09:41:51,479 INFO L276 PluginConnector]: CDTParser initialized [2018-07-22 09:41:51,480 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem08_label18_true-unreach-call.c [2018-07-22 09:41:51,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/e4b961f0a/995febae4dad43bca3dd14adc2344d8e/FLAG2be02ec2e [2018-07-22 09:41:55,349 INFO L276 CDTParser]: Found 1 translation units. [2018-07-22 09:41:55,350 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem08_label18_true-unreach-call.c [2018-07-22 09:41:55,575 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/e4b961f0a/995febae4dad43bca3dd14adc2344d8e/FLAG2be02ec2e [2018-07-22 09:41:55,591 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/e4b961f0a/995febae4dad43bca3dd14adc2344d8e [2018-07-22 09:41:55,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-22 09:41:55,609 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-22 09:41:55,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-22 09:41:55,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-22 09:41:55,618 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-22 09:41:55,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 09:41:55" (1/1) ... [2018-07-22 09:41:55,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641c85f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:41:55, skipping insertion in model container [2018-07-22 09:41:55,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 09:41:55" (1/1) ... [2018-07-22 09:41:57,791 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-22 09:42:19,246 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 09:42:19,261 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-22 09:42:35,671 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 09:42:52,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:42:52 WrapperNode [2018-07-22 09:42:52,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-22 09:42:52,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-22 09:42:52,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-22 09:42:52,279 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-22 09:42:52,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:42:52" (1/1) ... [2018-07-22 09:42:52,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:42:52" (1/1) ... [2018-07-22 09:43:08,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-22 09:43:08,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-22 09:43:08,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-22 09:43:08,517 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-22 09:43:08,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:42:52" (1/1) ... [2018-07-22 09:43:08,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:42:52" (1/1) ... [2018-07-22 09:43:08,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:42:52" (1/1) ... [2018-07-22 09:43:08,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:42:52" (1/1) ... [2018-07-22 09:43:11,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:42:52" (1/1) ... [2018-07-22 09:43:12,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:42:52" (1/1) ... [2018-07-22 09:43:12,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:42:52" (1/1) ... [2018-07-22 09:43:13,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-22 09:43:13,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-22 09:43:13,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-22 09:43:13,535 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-22 09:43:13,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:42:52" (1/1) ... No working directory specified, using /storage/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 [2018-07-22 09:43:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-07-22 09:43:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-22 09:43:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-22 09:44:55,539 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-22 09:44:55,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 09:44:55 BoogieIcfgContainer [2018-07-22 09:44:55,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-22 09:44:55,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-22 09:44:55,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-22 09:44:55,543 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-22 09:44:55,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 09:41:55" (1/3) ... [2018-07-22 09:44:55,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc24bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 09:44:55, skipping insertion in model container [2018-07-22 09:44:55,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:42:52" (2/3) ... [2018-07-22 09:44:55,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc24bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 09:44:55, skipping insertion in model container [2018-07-22 09:44:55,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 09:44:55" (3/3) ... [2018-07-22 09:44:55,547 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem08_label18_true-unreach-call.c [2018-07-22 09:44:55,554 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-22 09:44:55,567 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-22 09:44:55,693 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-22 09:44:55,694 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-22 09:44:55,694 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-22 09:44:55,694 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-22 09:44:55,694 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-22 09:44:55,695 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-22 09:44:55,695 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-22 09:44:55,695 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-22 09:44:55,695 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-22 09:44:55,976 INFO L276 IsEmpty]: Start isEmpty. Operand 23216 states. [2018-07-22 09:44:59,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17911 [2018-07-22 09:44:59,590 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 09:44:59,602 INFO L358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 09:44:59,604 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 09:44:59,627 INFO L82 PathProgramCache]: Analyzing trace with hash -573687137, now seen corresponding path program 1 times [2018-07-22 09:44:59,629 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 09:44:59,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 09:44:59,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 09:44:59,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 09:44:59,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY Received shutdown request... [2018-07-22 09:45:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-07-22 09:45:04,527 INFO L255 seRefinementStrategy]: Advancing trace checker [2018-07-22 09:45:04,527 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-22 09:45:04,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Cannot interrupt operation gracefully because timeout expired. Forcing shutdown