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/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label28_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-20 22:41:25,617 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-20 22:41:25,622 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-20 22:41:25,638 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-20 22:41:25,638 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-20 22:41:25,639 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-20 22:41:25,640 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-20 22:41:25,643 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-20 22:41:25,644 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-20 22:41:25,647 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-20 22:41:25,648 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-20 22:41:25,648 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-20 22:41:25,649 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-20 22:41:25,652 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-20 22:41:25,653 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-20 22:41:25,654 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-20 22:41:25,664 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-20 22:41:25,666 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-20 22:41:25,668 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-20 22:41:25,670 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-20 22:41:25,674 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-20 22:41:25,676 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-20 22:41:25,679 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-20 22:41:25,697 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-20 22:41:25,723 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-20 22:41:25,724 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-20 22:41:25,726 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-20 22:41:25,726 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-20 22:41:25,726 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-20 22:41:25,727 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-20 22:41:25,727 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-20 22:41:25,727 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-20 22:41:25,727 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-20 22:41:25,727 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-20 22:41:25,727 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-20 22:41:25,728 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-20 22:41:25,728 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-20 22:41:25,729 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-20 22:41:25,729 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-20 22:41:25,729 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-20 22:41:25,729 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-20 22:41:25,729 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-20 22:41:25,730 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-20 22:41:25,731 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-20 22:41:25,731 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-20 22:41:25,731 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-20 22:41:25,732 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-20 22:41:25,732 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-20 22:41:25,732 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-20 22:41:25,732 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-20 22:41:25,732 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-20 22:41:25,732 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-20 22:41:25,733 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-20 22:41:25,733 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-20 22:41:25,733 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-20 22:41:25,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-20 22:41:25,733 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-20 22:41:25,734 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-20 22:41:25,734 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-20 22:41:25,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-20 22:41:25,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-20 22:41:25,809 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-20 22:41:25,811 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-20 22:41:25,811 INFO L276 PluginConnector]: CDTParser initialized [2018-07-20 22:41:25,813 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label28_false-unreach-call.c [2018-07-20 22:41:26,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/4073171a0/d8220b1956b34f7ba07f60b0d16e034b/FLAG97564ee0e [2018-07-20 22:41:26,598 INFO L276 CDTParser]: Found 1 translation units. [2018-07-20 22:41:26,598 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label28_false-unreach-call.c [2018-07-20 22:41:26,643 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/4073171a0/d8220b1956b34f7ba07f60b0d16e034b/FLAG97564ee0e [2018-07-20 22:41:26,667 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/4073171a0/d8220b1956b34f7ba07f60b0d16e034b [2018-07-20 22:41:26,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-20 22:41:26,684 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-20 22:41:26,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-20 22:41:26,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-20 22:41:26,697 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-20 22:41:26,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:26" (1/1) ... [2018-07-20 22:41:26,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100bb05f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:26, skipping insertion in model container [2018-07-20 22:41:26,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:26" (1/1) ... [2018-07-20 22:41:27,016 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-20 22:41:27,631 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 22:41:27,655 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-20 22:41:28,064 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 22:41:28,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:28 WrapperNode [2018-07-20 22:41:28,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-20 22:41:28,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-20 22:41:28,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-20 22:41:28,137 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-20 22:41:28,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:28" (1/1) ... [2018-07-20 22:41:28,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:28" (1/1) ... [2018-07-20 22:41:28,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-20 22:41:28,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-20 22:41:28,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-20 22:41:28,325 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-20 22:41:28,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:28" (1/1) ... [2018-07-20 22:41:28,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:28" (1/1) ... [2018-07-20 22:41:28,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:28" (1/1) ... [2018-07-20 22:41:28,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:28" (1/1) ... [2018-07-20 22:41:28,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:28" (1/1) ... [2018-07-20 22:41:28,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:28" (1/1) ... [2018-07-20 22:41:28,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:28" (1/1) ... [2018-07-20 22:41:28,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-20 22:41:28,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-20 22:41:28,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-20 22:41:28,911 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-20 22:41:28,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:28" (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 [2018-07-20 22:41:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-20 22:41:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-20 22:41:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-20 22:41:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-20 22:41:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-20 22:41:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-20 22:41:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-20 22:41:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-20 22:41:34,696 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-20 22:41:34,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:34 BoogieIcfgContainer [2018-07-20 22:41:34,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-20 22:41:34,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-20 22:41:34,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-20 22:41:34,701 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-20 22:41:34,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:41:26" (1/3) ... [2018-07-20 22:41:34,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4856b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:34, skipping insertion in model container [2018-07-20 22:41:34,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:28" (2/3) ... [2018-07-20 22:41:34,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4856b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:34, skipping insertion in model container [2018-07-20 22:41:34,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:34" (3/3) ... [2018-07-20 22:41:34,709 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label28_false-unreach-call.c [2018-07-20 22:41:34,720 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-20 22:41:34,732 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-20 22:41:34,786 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-20 22:41:34,787 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-20 22:41:34,787 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-20 22:41:34,787 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-20 22:41:34,788 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-20 22:41:34,788 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-20 22:41:34,788 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-20 22:41:34,788 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-20 22:41:34,788 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-20 22:41:34,826 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-07-20 22:41:34,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-07-20 22:41:34,846 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:41:34,847 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] [2018-07-20 22:41:34,847 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:41:34,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1474166836, now seen corresponding path program 1 times [2018-07-20 22:41:34,854 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:41:34,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:41:34,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:41:34,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:41:34,902 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:41:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:41:35,791 WARN L169 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-20 22:41:35,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:41:35,932 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 22:41:35,932 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-20 22:41:35,932 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 22:41:35,937 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-20 22:41:35,953 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-20 22:41:35,953 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-20 22:41:35,956 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2018-07-20 22:41:37,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 22:41:37,791 INFO L93 Difference]: Finished difference Result 838 states and 1479 transitions. [2018-07-20 22:41:37,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-20 22:41:37,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2018-07-20 22:41:37,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 22:41:37,818 INFO L225 Difference]: With dead ends: 838 [2018-07-20 22:41:37,818 INFO L226 Difference]: Without dead ends: 524 [2018-07-20 22:41:37,825 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-20 22:41:37,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2018-07-20 22:41:37,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 522. [2018-07-20 22:41:37,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 522 states. [2018-07-20 22:41:37,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 890 transitions. [2018-07-20 22:41:37,921 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 890 transitions. Word has length 159 [2018-07-20 22:41:37,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 22:41:37,922 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 890 transitions. [2018-07-20 22:41:37,922 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-20 22:41:37,922 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 890 transitions. [2018-07-20 22:41:37,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-07-20 22:41:37,936 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:41:37,937 INFO L358 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 22:41:37,937 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:41:37,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1605026029, now seen corresponding path program 1 times [2018-07-20 22:41:37,938 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:41:37,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:41:37,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:41:37,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:41:37,939 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:41:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:41:38,303 WARN L169 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-20 22:41:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:41:38,585 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 22:41:38,585 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-20 22:41:38,585 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 22:41:38,587 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-20 22:41:38,588 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-20 22:41:38,588 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-20 22:41:38,588 INFO L87 Difference]: Start difference. First operand 522 states and 890 transitions. Second operand 5 states. [2018-07-20 22:41:40,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 22:41:40,510 INFO L93 Difference]: Finished difference Result 1561 states and 2692 transitions. [2018-07-20 22:41:40,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-20 22:41:40,510 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2018-07-20 22:41:40,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 22:41:40,520 INFO L225 Difference]: With dead ends: 1561 [2018-07-20 22:41:40,521 INFO L226 Difference]: Without dead ends: 1045 [2018-07-20 22:41:40,524 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-07-20 22:41:40,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2018-07-20 22:41:40,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1024. [2018-07-20 22:41:40,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1024 states. [2018-07-20 22:41:40,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1762 transitions. [2018-07-20 22:41:40,622 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1762 transitions. Word has length 169 [2018-07-20 22:41:40,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 22:41:40,622 INFO L471 AbstractCegarLoop]: Abstraction has 1024 states and 1762 transitions. [2018-07-20 22:41:40,622 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-20 22:41:40,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1762 transitions. [2018-07-20 22:41:40,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-20 22:41:40,631 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:41:40,631 INFO L358 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 22:41:40,631 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:41:40,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1873453336, now seen corresponding path program 1 times [2018-07-20 22:41:40,632 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:41:40,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:41:40,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:41:40,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:41:40,633 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:41:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:41:40,928 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:41:40,928 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 22:41:40,928 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-20 22:41:40,929 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 22:41:40,929 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-20 22:41:40,930 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-20 22:41:40,930 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-20 22:41:40,930 INFO L87 Difference]: Start difference. First operand 1024 states and 1762 transitions. Second operand 3 states. [2018-07-20 22:41:45,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 22:41:45,626 INFO L93 Difference]: Finished difference Result 2909 states and 5168 transitions. [2018-07-20 22:41:45,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-20 22:41:45,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2018-07-20 22:41:45,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 22:41:45,645 INFO L225 Difference]: With dead ends: 2909 [2018-07-20 22:41:45,645 INFO L226 Difference]: Without dead ends: 1891 [2018-07-20 22:41:45,650 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-20 22:41:45,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2018-07-20 22:41:45,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1869. [2018-07-20 22:41:45,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1869 states. [2018-07-20 22:41:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1869 states and 3174 transitions. [2018-07-20 22:41:45,761 INFO L78 Accepts]: Start accepts. Automaton has 1869 states and 3174 transitions. Word has length 172 [2018-07-20 22:41:45,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 22:41:45,762 INFO L471 AbstractCegarLoop]: Abstraction has 1869 states and 3174 transitions. [2018-07-20 22:41:45,763 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-20 22:41:45,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 3174 transitions. [2018-07-20 22:41:45,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-07-20 22:41:45,772 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:41:45,773 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 22:41:45,773 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:41:45,773 INFO L82 PathProgramCache]: Analyzing trace with hash -328135583, now seen corresponding path program 1 times [2018-07-20 22:41:45,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:41:45,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:41:45,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:41:45,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:41:45,775 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:41:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:41:46,298 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:41:46,298 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 22:41:46,299 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-20 22:41:46,300 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-07-20 22:41:46,303 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [37], [41], [45], [49], [52], [53], [57], [61], [65], [69], [72], [73], [77], [81], [85], [89], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [183], [187], [191], [195], [199], [203], [207], [211], [215], [226], [230], [234], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [301], [305], [309], [313], [317], [321], [332], [336], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [387], [391], [395], [399], [403], [407], [418], [422], [426], [430], [441], [445], [449], [453], [457], [461], [465], [469], [473], [477], [481], [485], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [544], [548], [552], [556], [560], [564], [575], [579], [583], [594], [598], [609], [613], [617], [621], [625], [629], [633], [637], [648], [659], [670], [674], [678], [682], [686], [690], [697], [705], [713], [721], [729], [737], [745], [753], [757], [759], [1181], [1182], [1183], [1184], [1186], [1187] [2018-07-20 22:41:46,400 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-20 22:41:46,400 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-20 22:45:58,940 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-20 22:45:58,941 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-20 22:45:58,942 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-20 22:45:58,942 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 22:45:58,943 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/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) [2018-07-20 22:45:58,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:45:58,968 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-20 22:45:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:45:59,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-20 22:45:59,294 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-20 22:45:59,496 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-20 22:45:59,496 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-20 22:45:59,500 WARN L202 ceAbstractionStarter]: Timeout [2018-07-20 22:45:59,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:45:59 BoogieIcfgContainer [2018-07-20 22:45:59,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-20 22:45:59,502 INFO L168 Benchmark]: Toolchain (without parser) took 272823.53 ms. Allocated memory was 308.3 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 248.3 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 541.0 MB. Max. memory is 5.3 GB. [2018-07-20 22:45:59,503 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 308.3 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-20 22:45:59,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1449.82 ms. Allocated memory was 308.3 MB in the beginning and 334.5 MB in the end (delta: 26.2 MB). Free memory was 248.3 MB in the beginning and 272.4 MB in the end (delta: -24.1 MB). Peak memory consumption was 73.0 MB. Max. memory is 5.3 GB. [2018-07-20 22:45:59,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 187.65 ms. Allocated memory is still 334.5 MB. Free memory was 272.4 MB in the beginning and 258.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 5.3 GB. [2018-07-20 22:45:59,505 INFO L168 Benchmark]: Boogie Preprocessor took 585.48 ms. Allocated memory was 334.5 MB in the beginning and 520.1 MB in the end (delta: 185.6 MB). Free memory was 258.8 MB in the beginning and 480.0 MB in the end (delta: -221.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 5.3 GB. [2018-07-20 22:45:59,506 INFO L168 Benchmark]: RCFGBuilder took 5786.83 ms. Allocated memory was 520.1 MB in the beginning and 531.1 MB in the end (delta: 11.0 MB). Free memory was 480.0 MB in the beginning and 401.1 MB in the end (delta: 78.9 MB). Peak memory consumption was 203.1 MB. Max. memory is 5.3 GB. [2018-07-20 22:45:59,506 INFO L168 Benchmark]: TraceAbstraction took 264803.21 ms. Allocated memory was 531.1 MB in the beginning and 2.3 GB in the end (delta: 1.8 GB). Free memory was 401.1 MB in the beginning and 1.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 471.0 MB. Max. memory is 5.3 GB. [2018-07-20 22:45:59,510 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 308.3 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 1449.82 ms. Allocated memory was 308.3 MB in the beginning and 334.5 MB in the end (delta: 26.2 MB). Free memory was 248.3 MB in the beginning and 272.4 MB in the end (delta: -24.1 MB). Peak memory consumption was 73.0 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 187.65 ms. Allocated memory is still 334.5 MB. Free memory was 272.4 MB in the beginning and 258.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 585.48 ms. Allocated memory was 334.5 MB in the beginning and 520.1 MB in the end (delta: 185.6 MB). Free memory was 258.8 MB in the beginning and 480.0 MB in the end (delta: -221.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 5786.83 ms. Allocated memory was 520.1 MB in the beginning and 531.1 MB in the end (delta: 11.0 MB). Free memory was 480.0 MB in the beginning and 401.1 MB in the end (delta: 78.9 MB). Peak memory consumption was 203.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 264803.21 ms. Allocated memory was 531.1 MB in the beginning and 2.3 GB in the end (delta: 1.8 GB). Free memory was 401.1 MB in the beginning and 1.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 471.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1491]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1491). Cancelled while BasicCegarLoop was analyzing trace of length 191 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 312 locations, 1 error locations. TIMEOUT Result, 264.7s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 8.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1170 SDtfs, 1781 SDslu, 982 SDs, 0 SdLazy, 1542 SolverSat, 444 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1869occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 252.6s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 45 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 500 NumberOfCodeBlocks, 500 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 497 ConstructedInterpolants, 0 QuantifiedInterpolants, 215095 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 17/17 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/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem03_label28_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-20_22-45-59-524.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem03_label28_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-20_22-45-59-524.csv Completed graceful shutdown