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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label52_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 18:26:20,774 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 18:26:20,776 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 18:26:20,788 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 18:26:20,788 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 18:26:20,789 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 18:26:20,791 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 18:26:20,792 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 18:26:20,794 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 18:26:20,795 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 18:26:20,796 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 18:26:20,796 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 18:26:20,797 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 18:26:20,798 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 18:26:20,799 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 18:26:20,800 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 18:26:20,801 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 18:26:20,803 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 18:26:20,805 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 18:26:20,806 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 18:26:20,808 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 18:26:20,809 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 18:26:20,812 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 18:26:20,812 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 18:26:20,812 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 18:26:20,813 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 18:26:20,814 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 18:26:20,815 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 18:26:20,816 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 18:26:20,817 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 18:26:20,820 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 18:26:20,821 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 18:26:20,822 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 18:26:20,822 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 18:26:20,825 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 18:26:20,826 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 18:26:20,827 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 18:26:20,850 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 18:26:20,850 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 18:26:20,851 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 18:26:20,851 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 18:26:20,851 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 18:26:20,852 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 18:26:20,852 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 18:26:20,852 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 18:26:20,852 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 18:26:20,852 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 18:26:20,853 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 18:26:20,853 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 18:26:20,854 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 18:26:20,854 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 18:26:20,854 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 18:26:20,854 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 18:26:20,854 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 18:26:20,854 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 18:26:20,855 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 18:26:20,855 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 18:26:20,855 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 18:26:20,855 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 18:26:20,855 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 18:26:20,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 18:26:20,856 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 18:26:20,856 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 18:26:20,856 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 18:26:20,856 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 18:26:20,857 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 18:26:20,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 18:26:20,857 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 18:26:20,857 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 18:26:20,857 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 18:26:20,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 18:26:20,927 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 18:26:20,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 18:26:20,933 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 18:26:20,933 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 18:26:20,934 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label52_true-unreach-call.c [2018-09-14 18:26:21,301 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4ccae27/9fec18947fda4ac29035205f671b3f1f/FLAG6dfa7d262 [2018-09-14 18:26:21,931 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 18:26:21,932 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label52_true-unreach-call.c [2018-09-14 18:26:21,972 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4ccae27/9fec18947fda4ac29035205f671b3f1f/FLAG6dfa7d262 [2018-09-14 18:26:21,988 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4ccae27/9fec18947fda4ac29035205f671b3f1f [2018-09-14 18:26:22,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 18:26:22,003 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 18:26:22,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 18:26:22,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 18:26:22,011 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 18:26:22,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:26:21" (1/1) ... [2018-09-14 18:26:22,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408707bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:26:22, skipping insertion in model container [2018-09-14 18:26:22,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:26:21" (1/1) ... [2018-09-14 18:26:22,029 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 18:26:23,975 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:26:23,995 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 18:26:25,214 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:26:25,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:26:25 WrapperNode [2018-09-14 18:26:25,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 18:26:25,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 18:26:25,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 18:26:25,800 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 18:26:25,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:26:25" (1/1) ... [2018-09-14 18:26:25,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:26:25" (1/1) ... [2018-09-14 18:26:26,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 18:26:26,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 18:26:26,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 18:26:26,115 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 18:26:27,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:26:25" (1/1) ... [2018-09-14 18:26:27,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:26:25" (1/1) ... [2018-09-14 18:26:27,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:26:25" (1/1) ... [2018-09-14 18:26:27,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:26:25" (1/1) ... [2018-09-14 18:26:27,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:26:25" (1/1) ... [2018-09-14 18:26:27,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:26:25" (1/1) ... [2018-09-14 18:26:27,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:26:25" (1/1) ... [2018-09-14 18:26:27,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 18:26:27,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 18:26:27,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 18:26:27,836 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 18:26:27,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:26:25" (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 [2018-09-14 18:26:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 18:26:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 18:26:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-14 18:26:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-14 18:26:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-14 18:26:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-14 18:26:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-14 18:26:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-14 18:26:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-14 18:26:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-14 18:26:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-14 18:26:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-14 18:26:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 18:26:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 18:26:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 18:26:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 18:26:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 18:26:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 18:26:45,725 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 18:26:45,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:26:45 BoogieIcfgContainer [2018-09-14 18:26:45,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 18:26:45,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 18:26:45,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 18:26:45,730 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 18:26:45,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 06:26:21" (1/3) ... [2018-09-14 18:26:45,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f96f065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:26:45, skipping insertion in model container [2018-09-14 18:26:45,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:26:25" (2/3) ... [2018-09-14 18:26:45,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f96f065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:26:45, skipping insertion in model container [2018-09-14 18:26:45,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:26:45" (3/3) ... [2018-09-14 18:26:45,734 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label52_true-unreach-call.c [2018-09-14 18:26:45,743 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 18:26:45,756 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 18:26:45,839 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 18:26:45,840 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 18:26:45,840 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 18:26:45,840 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 18:26:45,840 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 18:26:45,840 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 18:26:45,840 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 18:26:45,840 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 18:26:45,841 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 18:26:45,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-14 18:26:45,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-14 18:26:45,900 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:26:45,901 INFO L376 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] [2018-09-14 18:26:45,902 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:26:45,908 INFO L82 PathProgramCache]: Analyzing trace with hash 286172164, now seen corresponding path program 1 times [2018-09-14 18:26:45,911 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:26:45,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:45,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:45,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:45,960 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:26:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:46,374 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:26:46,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:26:46,504 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:26:46,505 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:26:46,505 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:26:46,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:26:46,529 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:26:46,529 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:26:46,532 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-14 18:27:04,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:27:04,015 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-09-14 18:27:04,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:27:04,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-09-14 18:27:04,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:27:04,074 INFO L225 Difference]: With dead ends: 4998 [2018-09-14 18:27:04,074 INFO L226 Difference]: Without dead ends: 3218 [2018-09-14 18:27:04,087 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:04,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-09-14 18:27:04,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-09-14 18:27:04,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-09-14 18:27:04,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-09-14 18:27:04,335 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 62 [2018-09-14 18:27:04,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:27:04,336 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-09-14 18:27:04,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:27:04,337 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-09-14 18:27:04,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-14 18:27:04,351 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:04,351 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:27:04,352 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:04,352 INFO L82 PathProgramCache]: Analyzing trace with hash 455722041, now seen corresponding path program 1 times [2018-09-14 18:27:04,353 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:04,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:04,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:04,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:04,355 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:04,695 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:27:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:27:05,064 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:05,064 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:27:05,065 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:05,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:27:05,067 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:27:05,068 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:27:05,068 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-09-14 18:27:37,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:27:37,307 INFO L93 Difference]: Finished difference Result 10756 states and 19780 transitions. [2018-09-14 18:27:37,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:27:37,307 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-09-14 18:27:37,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:27:37,355 INFO L225 Difference]: With dead ends: 10756 [2018-09-14 18:27:37,355 INFO L226 Difference]: Without dead ends: 7547 [2018-09-14 18:27:37,370 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:27:37,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7547 states. [2018-09-14 18:27:37,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7547 to 7507. [2018-09-14 18:27:37,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7507 states. [2018-09-14 18:27:37,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7507 states to 7507 states and 12458 transitions. [2018-09-14 18:27:37,604 INFO L78 Accepts]: Start accepts. Automaton has 7507 states and 12458 transitions. Word has length 134 [2018-09-14 18:27:37,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:27:37,604 INFO L480 AbstractCegarLoop]: Abstraction has 7507 states and 12458 transitions. [2018-09-14 18:27:37,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:27:37,605 INFO L276 IsEmpty]: Start isEmpty. Operand 7507 states and 12458 transitions. [2018-09-14 18:27:37,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-14 18:27:37,611 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:37,617 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:27:37,617 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:37,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1452331278, now seen corresponding path program 1 times [2018-09-14 18:27:37,618 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:37,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:37,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:37,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:37,620 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:37,950 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:27:37,951 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:37,951 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:27:37,951 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:37,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:27:37,952 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:27:37,952 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:27:37,953 INFO L87 Difference]: Start difference. First operand 7507 states and 12458 transitions. Second operand 6 states. [2018-09-14 18:28:06,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:28:06,181 INFO L93 Difference]: Finished difference Result 23923 states and 40038 transitions. [2018-09-14 18:28:06,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:28:06,184 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-09-14 18:28:06,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:28:06,252 INFO L225 Difference]: With dead ends: 23923 [2018-09-14 18:28:06,252 INFO L226 Difference]: Without dead ends: 16422 [2018-09-14 18:28:06,282 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:28:06,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16422 states. [2018-09-14 18:28:06,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16422 to 16239. [2018-09-14 18:28:06,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16239 states. [2018-09-14 18:28:06,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16239 states to 16239 states and 25363 transitions. [2018-09-14 18:28:06,635 INFO L78 Accepts]: Start accepts. Automaton has 16239 states and 25363 transitions. Word has length 136 [2018-09-14 18:28:06,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:28:06,636 INFO L480 AbstractCegarLoop]: Abstraction has 16239 states and 25363 transitions. [2018-09-14 18:28:06,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:28:06,636 INFO L276 IsEmpty]: Start isEmpty. Operand 16239 states and 25363 transitions. [2018-09-14 18:28:06,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-09-14 18:28:06,640 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:28:06,641 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:28:06,641 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:28:06,641 INFO L82 PathProgramCache]: Analyzing trace with hash -724154579, now seen corresponding path program 1 times [2018-09-14 18:28:06,641 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:28:06,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:28:06,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:28:06,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:28:06,643 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:28:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:28:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:28:07,075 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:28:07,076 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:28:07,076 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:28:07,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:28:07,076 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:28:07,077 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:28:07,077 INFO L87 Difference]: Start difference. First operand 16239 states and 25363 transitions. Second operand 6 states. [2018-09-14 18:28:56,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:28:56,384 INFO L93 Difference]: Finished difference Result 61550 states and 99797 transitions. [2018-09-14 18:28:56,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:28:56,385 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2018-09-14 18:28:56,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:28:56,560 INFO L225 Difference]: With dead ends: 61550 [2018-09-14 18:28:56,561 INFO L226 Difference]: Without dead ends: 45317 [2018-09-14 18:28:56,643 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-09-14 18:28:56,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45317 states. [2018-09-14 18:28:57,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45317 to 45219. [2018-09-14 18:28:57,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45219 states. [2018-09-14 18:28:57,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45219 states to 45219 states and 66655 transitions. [2018-09-14 18:28:57,521 INFO L78 Accepts]: Start accepts. Automaton has 45219 states and 66655 transitions. Word has length 158 [2018-09-14 18:28:57,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:28:57,522 INFO L480 AbstractCegarLoop]: Abstraction has 45219 states and 66655 transitions. [2018-09-14 18:28:57,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:28:57,522 INFO L276 IsEmpty]: Start isEmpty. Operand 45219 states and 66655 transitions. [2018-09-14 18:28:57,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-09-14 18:28:57,527 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:28:57,527 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:28:57,528 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:28:57,528 INFO L82 PathProgramCache]: Analyzing trace with hash 491943707, now seen corresponding path program 1 times [2018-09-14 18:28:57,528 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:28:57,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:28:57,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:28:57,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:28:57,532 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:28:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:28:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:28:57,892 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:28:57,892 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-14 18:28:57,892 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:28:57,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:28:57,893 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:28:57,893 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-14 18:28:57,893 INFO L87 Difference]: Start difference. First operand 45219 states and 66655 transitions. Second operand 5 states. [2018-09-14 18:29:25,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:29:25,077 INFO L93 Difference]: Finished difference Result 135606 states and 211817 transitions. [2018-09-14 18:29:25,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:29:25,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2018-09-14 18:29:25,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:29:25,362 INFO L225 Difference]: With dead ends: 135606 [2018-09-14 18:29:25,362 INFO L226 Difference]: Without dead ends: 90393 [2018-09-14 18:29:25,467 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:29:25,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90393 states. [2018-09-14 18:29:26,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90393 to 89667. [2018-09-14 18:29:26,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89667 states. [2018-09-14 18:29:27,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89667 states to 89667 states and 124650 transitions. [2018-09-14 18:29:27,194 INFO L78 Accepts]: Start accepts. Automaton has 89667 states and 124650 transitions. Word has length 167 [2018-09-14 18:29:27,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:29:27,195 INFO L480 AbstractCegarLoop]: Abstraction has 89667 states and 124650 transitions. [2018-09-14 18:29:27,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:29:27,195 INFO L276 IsEmpty]: Start isEmpty. Operand 89667 states and 124650 transitions. [2018-09-14 18:29:27,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-09-14 18:29:27,207 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:29:27,207 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:29:27,208 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:29:27,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1494786500, now seen corresponding path program 1 times [2018-09-14 18:29:27,208 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:29:27,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:29:27,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:29:27,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:29:27,209 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:29:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:29:27,510 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:29:27,660 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:29:27,660 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:29:27,660 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:29:27,660 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:29:27,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:29:27,661 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:29:27,661 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:29:27,661 INFO L87 Difference]: Start difference. First operand 89667 states and 124650 transitions. Second operand 6 states. [2018-09-14 18:29:49,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:29:49,057 INFO L93 Difference]: Finished difference Result 211016 states and 310258 transitions. [2018-09-14 18:29:49,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:29:49,058 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2018-09-14 18:29:49,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:29:49,385 INFO L225 Difference]: With dead ends: 211016 [2018-09-14 18:29:49,385 INFO L226 Difference]: Without dead ends: 121355 [2018-09-14 18:29:49,535 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:29:49,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121355 states. [2018-09-14 18:29:51,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121355 to 120995. [2018-09-14 18:29:51,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120995 states. [2018-09-14 18:29:51,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120995 states to 120995 states and 164306 transitions. [2018-09-14 18:29:51,370 INFO L78 Accepts]: Start accepts. Automaton has 120995 states and 164306 transitions. Word has length 195 [2018-09-14 18:29:51,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:29:51,371 INFO L480 AbstractCegarLoop]: Abstraction has 120995 states and 164306 transitions. [2018-09-14 18:29:51,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:29:51,371 INFO L276 IsEmpty]: Start isEmpty. Operand 120995 states and 164306 transitions. [2018-09-14 18:29:51,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-09-14 18:29:51,380 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:29:51,380 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:29:51,381 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:29:51,381 INFO L82 PathProgramCache]: Analyzing trace with hash -272986980, now seen corresponding path program 1 times [2018-09-14 18:29:51,381 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:29:51,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:29:51,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:29:51,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:29:51,382 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:29:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:29:51,583 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:29:51,623 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 110 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:29:51,624 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:29:51,624 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:29:51,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:29:51,634 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:29:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:29:51,732 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:29:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-09-14 18:29:51,817 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:29:51,998 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-09-14 18:29:52,019 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-14 18:29:52,019 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-09-14 18:29:52,019 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:29:52,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:29:52,020 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:29:52,020 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:29:52,020 INFO L87 Difference]: Start difference. First operand 120995 states and 164306 transitions. Second operand 3 states. [2018-09-14 18:30:06,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:30:06,158 INFO L93 Difference]: Finished difference Result 291545 states and 411246 transitions. [2018-09-14 18:30:06,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:30:06,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2018-09-14 18:30:06,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:30:06,998 INFO L225 Difference]: With dead ends: 291545 [2018-09-14 18:30:06,998 INFO L226 Difference]: Without dead ends: 170556 [2018-09-14 18:30:07,373 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 465 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:30:07,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170556 states. [2018-09-14 18:30:11,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170556 to 170373. [2018-09-14 18:30:11,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170373 states. [2018-09-14 18:30:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170373 states to 170373 states and 226326 transitions. [2018-09-14 18:30:11,390 INFO L78 Accepts]: Start accepts. Automaton has 170373 states and 226326 transitions. Word has length 233 [2018-09-14 18:30:11,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:30:11,390 INFO L480 AbstractCegarLoop]: Abstraction has 170373 states and 226326 transitions. [2018-09-14 18:30:11,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:30:11,390 INFO L276 IsEmpty]: Start isEmpty. Operand 170373 states and 226326 transitions. [2018-09-14 18:30:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-09-14 18:30:11,402 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:30:11,403 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:30:11,403 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:30:11,404 INFO L82 PathProgramCache]: Analyzing trace with hash 877339752, now seen corresponding path program 1 times [2018-09-14 18:30:11,404 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:30:11,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:30:11,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:30:11,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:30:11,405 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:30:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:30:11,796 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 110 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:30:11,796 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:30:11,796 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:30:11,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:30:11,806 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:30:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:30:11,900 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:30:11,958 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-09-14 18:30:11,958 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:30:12,100 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-09-14 18:30:12,129 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-14 18:30:12,130 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-09-14 18:30:12,130 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:30:12,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:30:12,132 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:30:12,132 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-14 18:30:12,132 INFO L87 Difference]: Start difference. First operand 170373 states and 226326 transitions. Second operand 3 states. Received shutdown request... [2018-09-14 18:30:18,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:30:18,432 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-14 18:30:18,437 WARN L206 ceAbstractionStarter]: Timeout [2018-09-14 18:30:18,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 06:30:18 BoogieIcfgContainer [2018-09-14 18:30:18,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 18:30:18,438 INFO L168 Benchmark]: Toolchain (without parser) took 236437.09 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.1 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -600.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-09-14 18:30:18,439 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 18:30:18,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3794.79 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 179.3 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -100.1 MB). Peak memory consumption was 480.8 MB. Max. memory is 7.1 GB. [2018-09-14 18:30:18,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 314.59 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 62.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 7.1 GB. [2018-09-14 18:30:18,441 INFO L168 Benchmark]: Boogie Preprocessor took 1720.89 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 872.4 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -882.1 MB). Peak memory consumption was 129.9 MB. Max. memory is 7.1 GB. [2018-09-14 18:30:18,442 INFO L168 Benchmark]: RCFGBuilder took 17890.59 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 231.2 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 156.0 MB). Peak memory consumption was 995.8 MB. Max. memory is 7.1 GB. [2018-09-14 18:30:18,443 INFO L168 Benchmark]: TraceAbstraction took 212710.04 ms. Allocated memory was 2.8 GB in the beginning and 3.7 GB in the end (delta: 848.8 MB). Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 163.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-14 18:30:18,449 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3794.79 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 179.3 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -100.1 MB). Peak memory consumption was 480.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 314.59 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 62.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1720.89 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 872.4 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -882.1 MB). Peak memory consumption was 129.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17890.59 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 231.2 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 156.0 MB). Peak memory consumption was 995.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 212710.04 ms. Allocated memory was 2.8 GB in the beginning and 3.7 GB in the end (delta: 848.8 MB). Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 163.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 181]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 181). Cancelled while BasicCegarLoop was constructing difference of abstraction (170373states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement), while ReachableStatesComputation was computing reachable states (121378 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 212.6s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 198.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5764 SDtfs, 42942 SDslu, 4339 SDs, 0 SdLazy, 71411 SolverSat, 18236 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 170.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1066 GetRequests, 1016 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170373occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 9.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 1593 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1854 NumberOfCodeBlocks, 1854 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2343 ConstructedInterpolants, 0 QuantifiedInterpolants, 1203065 SizeOfPredicates, 1 NumberOfNonLiveVariables, 927 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 1249/1391 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label52_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_18-30-18-468.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label52_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_18-30-18-468.csv Completed graceful shutdown