java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label33_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 02:12:50,771 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 02:12:50,773 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 02:12:50,787 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 02:12:50,787 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 02:12:50,790 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 02:12:50,791 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 02:12:50,793 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 02:12:50,796 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 02:12:50,798 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 02:12:50,800 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 02:12:50,800 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 02:12:50,802 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 02:12:50,804 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 02:12:50,805 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 02:12:50,813 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 02:12:50,815 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 02:12:50,816 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 02:12:50,820 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 02:12:50,822 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 02:12:50,823 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 02:12:50,824 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 02:12:50,826 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-25 02:12:50,835 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-25 02:12:50,850 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 02:12:50,850 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 02:12:50,852 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 02:12:50,852 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 02:12:50,852 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 02:12:50,855 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 02:12:50,855 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 02:12:50,855 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 02:12:50,855 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 02:12:50,856 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 02:12:50,856 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 02:12:50,856 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 02:12:50,856 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 02:12:50,856 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 02:12:50,857 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 02:12:50,857 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 02:12:50,858 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 02:12:50,859 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 02:12:50,859 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 02:12:50,860 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 02:12:50,860 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 02:12:50,860 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 02:12:50,860 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 02:12:50,860 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 02:12:50,861 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 02:12:50,861 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 02:12:50,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 02:12:50,862 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 02:12:50,862 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 02:12:50,862 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 02:12:50,862 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 02:12:50,863 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 02:12:50,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 02:12:50,863 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 02:12:50,863 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 02:12:50,863 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 02:12:50,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 02:12:50,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 02:12:50,950 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 02:12:50,952 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 02:12:50,953 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 02:12:50,955 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label33_true-unreach-call.c [2018-10-25 02:12:51,040 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/718df1276/7ef9b5bf98ed49859207ec966fef36d3/FLAG89dbbcb99 [2018-10-25 02:12:52,075 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 02:12:52,076 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label33_true-unreach-call.c [2018-10-25 02:12:52,132 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/718df1276/7ef9b5bf98ed49859207ec966fef36d3/FLAG89dbbcb99 [2018-10-25 02:12:52,154 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/718df1276/7ef9b5bf98ed49859207ec966fef36d3 [2018-10-25 02:12:52,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 02:12:52,171 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 02:12:52,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 02:12:52,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 02:12:52,180 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 02:12:52,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 02:12:52" (1/1) ... [2018-10-25 02:12:52,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46764b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:12:52, skipping insertion in model container [2018-10-25 02:12:52,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 02:12:52" (1/1) ... [2018-10-25 02:12:52,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 02:12:52,479 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 02:12:54,631 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 02:12:54,640 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 02:12:55,753 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 02:12:55,807 INFO L193 MainTranslator]: Completed translation [2018-10-25 02:12:55,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:12:55 WrapperNode [2018-10-25 02:12:55,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 02:12:55,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 02:12:55,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 02:12:55,810 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 02:12:55,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:12:55" (1/1) ... [2018-10-25 02:12:55,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:12:55" (1/1) ... [2018-10-25 02:12:56,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 02:12:56,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 02:12:56,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 02:12:56,590 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 02:12:56,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:12:55" (1/1) ... [2018-10-25 02:12:56,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:12:55" (1/1) ... [2018-10-25 02:12:56,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:12:55" (1/1) ... [2018-10-25 02:12:56,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:12:55" (1/1) ... [2018-10-25 02:12:56,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:12:55" (1/1) ... [2018-10-25 02:12:56,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:12:55" (1/1) ... [2018-10-25 02:12:57,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:12:55" (1/1) ... [2018-10-25 02:12:57,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 02:12:57,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 02:12:57,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 02:12:57,162 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 02:12:57,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:12:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-25 02:12:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 02:12:57,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 02:12:57,239 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-25 02:12:57,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-25 02:12:57,239 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-25 02:12:57,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-25 02:12:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-25 02:12:57,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-25 02:12:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-25 02:12:57,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-25 02:12:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-25 02:12:57,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-25 02:12:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 02:12:57,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 02:12:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 02:12:57,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 02:12:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 02:12:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 02:13:14,794 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 02:13:14,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 02:13:14 BoogieIcfgContainer [2018-10-25 02:13:14,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 02:13:14,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 02:13:14,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 02:13:14,800 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 02:13:14,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 02:12:52" (1/3) ... [2018-10-25 02:13:14,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631d6cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 02:13:14, skipping insertion in model container [2018-10-25 02:13:14,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:12:55" (2/3) ... [2018-10-25 02:13:14,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631d6cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 02:13:14, skipping insertion in model container [2018-10-25 02:13:14,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 02:13:14" (3/3) ... [2018-10-25 02:13:14,804 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label33_true-unreach-call.c [2018-10-25 02:13:14,815 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 02:13:14,826 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 02:13:14,845 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 02:13:14,904 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 02:13:14,904 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 02:13:14,904 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 02:13:14,904 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 02:13:14,905 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 02:13:14,905 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 02:13:14,905 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 02:13:14,905 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 02:13:14,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-25 02:13:14,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-25 02:13:14,986 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:13:14,986 INFO L375 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] [2018-10-25 02:13:14,989 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:13:14,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:13:14,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1504414580, now seen corresponding path program 1 times [2018-10-25 02:13:14,997 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:13:15,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:13:15,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:13:15,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:13:15,051 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:13:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:13:15,500 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 02:13:15,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:13:15,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:13:15,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 02:13:15,550 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:13:15,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 02:13:15,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 02:13:15,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 02:13:15,581 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-25 02:13:32,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:13:32,258 INFO L93 Difference]: Finished difference Result 5040 states and 9510 transitions. [2018-10-25 02:13:32,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 02:13:32,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-25 02:13:32,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:13:32,308 INFO L225 Difference]: With dead ends: 5040 [2018-10-25 02:13:32,308 INFO L226 Difference]: Without dead ends: 3260 [2018-10-25 02:13:32,321 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 02:13:32,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3260 states. [2018-10-25 02:13:32,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3260 to 3207. [2018-10-25 02:13:32,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3207 states. [2018-10-25 02:13:32,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 6013 transitions. [2018-10-25 02:13:32,532 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 6013 transitions. Word has length 48 [2018-10-25 02:13:32,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:13:32,533 INFO L481 AbstractCegarLoop]: Abstraction has 3207 states and 6013 transitions. [2018-10-25 02:13:32,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 02:13:32,533 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 6013 transitions. [2018-10-25 02:13:32,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-25 02:13:32,546 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:13:32,546 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 02:13:32,548 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:13:32,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:13:32,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1949393301, now seen corresponding path program 1 times [2018-10-25 02:13:32,549 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:13:32,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:13:32,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:13:32,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:13:32,551 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:13:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:13:33,120 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:13:33,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:13:33,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 02:13:33,121 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:13:33,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 02:13:33,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 02:13:33,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-25 02:13:33,125 INFO L87 Difference]: Start difference. First operand 3207 states and 6013 transitions. Second operand 6 states. [2018-10-25 02:13:40,378 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-25 02:14:25,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:14:25,592 INFO L93 Difference]: Finished difference Result 12372 states and 23780 transitions. [2018-10-25 02:14:25,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-25 02:14:25,593 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2018-10-25 02:14:25,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:14:25,647 INFO L225 Difference]: With dead ends: 12372 [2018-10-25 02:14:25,648 INFO L226 Difference]: Without dead ends: 9171 [2018-10-25 02:14:25,669 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-25 02:14:25,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9171 states. [2018-10-25 02:14:25,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9171 to 9108. [2018-10-25 02:14:25,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9108 states. [2018-10-25 02:14:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9108 states to 9108 states and 15113 transitions. [2018-10-25 02:14:25,908 INFO L78 Accepts]: Start accepts. Automaton has 9108 states and 15113 transitions. Word has length 124 [2018-10-25 02:14:25,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:14:25,909 INFO L481 AbstractCegarLoop]: Abstraction has 9108 states and 15113 transitions. [2018-10-25 02:14:25,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 02:14:25,909 INFO L276 IsEmpty]: Start isEmpty. Operand 9108 states and 15113 transitions. [2018-10-25 02:14:25,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-25 02:14:25,914 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:14:25,914 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 02:14:25,915 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:14:25,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:14:25,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1071888671, now seen corresponding path program 1 times [2018-10-25 02:14:25,915 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:14:25,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:14:25,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:14:25,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:14:25,917 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:14:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:14:26,396 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:14:26,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:14:26,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 02:14:26,397 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:14:26,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 02:14:26,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 02:14:26,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-25 02:14:26,398 INFO L87 Difference]: Start difference. First operand 9108 states and 15113 transitions. Second operand 6 states. [2018-10-25 02:14:49,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:14:49,137 INFO L93 Difference]: Finished difference Result 27862 states and 47175 transitions. [2018-10-25 02:14:49,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-25 02:14:49,138 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-10-25 02:14:49,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:14:49,421 INFO L225 Difference]: With dead ends: 27862 [2018-10-25 02:14:49,422 INFO L226 Difference]: Without dead ends: 18760 [2018-10-25 02:14:49,453 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-25 02:14:49,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18760 states. [2018-10-25 02:14:49,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18760 to 18320. [2018-10-25 02:14:49,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18320 states. [2018-10-25 02:14:49,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18320 states to 18320 states and 29616 transitions. [2018-10-25 02:14:49,880 INFO L78 Accepts]: Start accepts. Automaton has 18320 states and 29616 transitions. Word has length 130 [2018-10-25 02:14:49,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:14:49,881 INFO L481 AbstractCegarLoop]: Abstraction has 18320 states and 29616 transitions. [2018-10-25 02:14:49,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 02:14:49,881 INFO L276 IsEmpty]: Start isEmpty. Operand 18320 states and 29616 transitions. [2018-10-25 02:14:49,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-25 02:14:49,886 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:14:49,886 INFO L375 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, 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] [2018-10-25 02:14:49,887 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:14:49,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:14:49,887 INFO L82 PathProgramCache]: Analyzing trace with hash -494308416, now seen corresponding path program 1 times [2018-10-25 02:14:49,887 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:14:49,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:14:49,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:14:49,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:14:49,889 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:14:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:14:50,192 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 02:14:50,355 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 82 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 02:14:50,356 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 02:14:50,356 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 02:14:50,357 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 248 with the following transitions: [2018-10-25 02:14:50,359 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5510], [5512], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5719], [5724], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5988], [5991], [5995], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-10-25 02:14:50,431 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 02:14:50,432 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 02:14:51,042 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 02:14:51,043 INFO L272 AbstractInterpreter]: Visited 130 different actions 130 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-25 02:14:51,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:14:51,066 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 02:14:51,594 INFO L232 lantSequenceWeakener]: Weakened 234 states. On average, predicates are now at 75.5% of their original sizes. [2018-10-25 02:14:51,595 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 02:14:51,765 INFO L413 sIntCurrentIteration]: We have 246 unified AI predicates [2018-10-25 02:14:51,765 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 02:14:51,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 02:14:51,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-25 02:14:51,766 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:14:51,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 02:14:51,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 02:14:51,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 02:14:51,768 INFO L87 Difference]: Start difference. First operand 18320 states and 29616 transitions. Second operand 6 states. Received shutdown request... [2018-10-25 02:16:52,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-25 02:16:52,212 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-25 02:16:52,218 WARN L205 ceAbstractionStarter]: Timeout [2018-10-25 02:16:52,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 02:16:52 BoogieIcfgContainer [2018-10-25 02:16:52,218 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 02:16:52,219 INFO L168 Benchmark]: Toolchain (without parser) took 240049.60 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-25 02:16:52,220 INFO L168 Benchmark]: CDTParser took 0.31 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. [2018-10-25 02:16:52,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3636.01 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 392.7 MB). Peak memory consumption was 392.7 MB. Max. memory is 7.1 GB. [2018-10-25 02:16:52,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 780.03 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 870.8 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-25 02:16:52,223 INFO L168 Benchmark]: Boogie Preprocessor took 570.55 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. [2018-10-25 02:16:52,224 INFO L168 Benchmark]: RCFGBuilder took 17634.77 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 162.0 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 521.3 MB). Peak memory consumption was 683.3 MB. Max. memory is 7.1 GB. [2018-10-25 02:16:52,225 INFO L168 Benchmark]: TraceAbstraction took 217422.03 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 2.7 GB in the end (delta: -995.8 MB). Peak memory consumption was 604.8 MB. Max. memory is 7.1 GB. [2018-10-25 02:16:52,231 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3636.01 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 392.7 MB). Peak memory consumption was 392.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 780.03 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 870.8 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 570.55 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17634.77 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 162.0 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 521.3 MB). Peak memory consumption was 683.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 217422.03 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 2.7 GB in the end (delta: -995.8 MB). Peak memory consumption was 604.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 139]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 139). Cancelled while BasicCegarLoop was constructing difference of abstraction (18320states) and FLOYD_HOARE automaton (currently 6 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (8969 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 217.3s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 212.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1890 SDtfs, 18358 SDslu, 2045 SDs, 0 SdLazy, 28714 SolverSat, 6856 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 188.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 274 GetRequests, 251 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18320occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9982466499566184 AbsIntWeakeningRatio, 0.11788617886178862 AbsIntAvgWeakeningVarsNumRemoved, 17.10569105691057 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 3 MinimizatonAttempts, 556 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 549 NumberOfCodeBlocks, 549 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 545 ConstructedInterpolants, 0 QuantifiedInterpolants, 365860 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 169/234 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown