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.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label34_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 18:39:03,568 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 18:39:03,570 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 18:39:03,586 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 18:39:03,587 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 18:39:03,588 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 18:39:03,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 18:39:03,595 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 18:39:03,598 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 18:39:03,599 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 18:39:03,601 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 18:39:03,601 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 18:39:03,602 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 18:39:03,603 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 18:39:03,610 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 18:39:03,611 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 18:39:03,615 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 18:39:03,618 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 18:39:03,622 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 18:39:03,623 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 18:39:03,624 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 18:39:03,629 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 18:39:03,632 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 18:39:03,632 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 18:39:03,632 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 18:39:03,633 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 18:39:03,635 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 18:39:03,636 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 18:39:03,637 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 18:39:03,638 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 18:39:03,638 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 18:39:03,641 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 18:39:03,641 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 18:39:03,641 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 18:39:03,643 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 18:39:03,644 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 18:39:03,644 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 18:39:03,670 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 18:39:03,671 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 18:39:03,672 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 18:39:03,672 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 18:39:03,672 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 18:39:03,673 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 18:39:03,673 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 18:39:03,673 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 18:39:03,673 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 18:39:03,674 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 18:39:03,674 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 18:39:03,674 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 18:39:03,675 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 18:39:03,676 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 18:39:03,676 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 18:39:03,676 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 18:39:03,676 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 18:39:03,676 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 18:39:03,677 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 18:39:03,677 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 18:39:03,677 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 18:39:03,677 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 18:39:03,677 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 18:39:03,678 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 18:39:03,679 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:39:03,679 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 18:39:03,679 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 18:39:03,679 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 18:39:03,680 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 18:39:03,680 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 18:39:03,680 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 18:39:03,680 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 18:39:03,680 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 18:39:03,681 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 18:39:03,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 18:39:03,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 18:39:03,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 18:39:03,762 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 18:39:03,763 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 18:39:03,764 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label34_false-unreach-call.c [2018-10-24 18:39:03,826 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/fabfd8220/101a815d17e342b58c444856e62fb6fd/FLAG1503a3442 [2018-10-24 18:39:04,519 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 18:39:04,519 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label34_false-unreach-call.c [2018-10-24 18:39:04,542 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/fabfd8220/101a815d17e342b58c444856e62fb6fd/FLAG1503a3442 [2018-10-24 18:39:04,561 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/fabfd8220/101a815d17e342b58c444856e62fb6fd [2018-10-24 18:39:04,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 18:39:04,576 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 18:39:04,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 18:39:04,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 18:39:04,583 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 18:39:04,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:39:04" (1/1) ... [2018-10-24 18:39:04,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1986afa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:39:04, skipping insertion in model container [2018-10-24 18:39:04,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:39:04" (1/1) ... [2018-10-24 18:39:04,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 18:39:04,704 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 18:39:05,487 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:39:05,492 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 18:39:05,767 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:39:05,789 INFO L193 MainTranslator]: Completed translation [2018-10-24 18:39:05,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:39:05 WrapperNode [2018-10-24 18:39:05,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 18:39:05,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 18:39:05,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 18:39:05,791 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 18:39:05,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:39:05" (1/1) ... [2018-10-24 18:39:05,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:39:05" (1/1) ... [2018-10-24 18:39:06,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 18:39:06,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 18:39:06,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 18:39:06,168 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 18:39:06,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:39:05" (1/1) ... [2018-10-24 18:39:06,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:39:05" (1/1) ... [2018-10-24 18:39:06,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:39:05" (1/1) ... [2018-10-24 18:39:06,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:39:05" (1/1) ... [2018-10-24 18:39:06,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:39:05" (1/1) ... [2018-10-24 18:39:06,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:39:05" (1/1) ... [2018-10-24 18:39:06,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:39:05" (1/1) ... [2018-10-24 18:39:06,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 18:39:06,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 18:39:06,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 18:39:06,408 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 18:39:06,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:39:05" (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 [2018-10-24 18:39:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 18:39:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 18:39:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 18:39:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 18:39:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 18:39:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 18:39:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 18:39:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 18:39:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 18:39:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 18:39:12,811 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 18:39:12,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:39:12 BoogieIcfgContainer [2018-10-24 18:39:12,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 18:39:12,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 18:39:12,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 18:39:12,817 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 18:39:12,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:39:04" (1/3) ... [2018-10-24 18:39:12,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90e9e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:39:12, skipping insertion in model container [2018-10-24 18:39:12,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:39:05" (2/3) ... [2018-10-24 18:39:12,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90e9e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:39:12, skipping insertion in model container [2018-10-24 18:39:12,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:39:12" (3/3) ... [2018-10-24 18:39:12,822 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label34_false-unreach-call.c [2018-10-24 18:39:12,832 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 18:39:12,841 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 18:39:12,860 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 18:39:12,901 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 18:39:12,902 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 18:39:12,902 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 18:39:12,902 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 18:39:12,902 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 18:39:12,902 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 18:39:12,902 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 18:39:12,903 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 18:39:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-10-24 18:39:12,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-24 18:39:12,948 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:39:12,949 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] [2018-10-24 18:39:12,951 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:39:12,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:39:12,958 INFO L82 PathProgramCache]: Analyzing trace with hash 554449340, now seen corresponding path program 1 times [2018-10-24 18:39:12,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:39:13,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:39:13,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:39:13,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:39:13,007 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:39:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:39:13,374 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2018-10-24 18:39:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:39:13,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:39:13,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 18:39:13,386 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:39:13,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 18:39:13,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 18:39:13,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 18:39:13,413 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-10-24 18:39:22,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:39:22,455 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-10-24 18:39:22,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 18:39:22,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-10-24 18:39:22,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:39:22,488 INFO L225 Difference]: With dead ends: 1558 [2018-10-24 18:39:22,488 INFO L226 Difference]: Without dead ends: 1114 [2018-10-24 18:39:22,501 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 18:39:22,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-10-24 18:39:22,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1091. [2018-10-24 18:39:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2018-10-24 18:39:22,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1853 transitions. [2018-10-24 18:39:22,656 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1853 transitions. Word has length 20 [2018-10-24 18:39:22,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:39:22,656 INFO L481 AbstractCegarLoop]: Abstraction has 1091 states and 1853 transitions. [2018-10-24 18:39:22,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 18:39:22,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1853 transitions. [2018-10-24 18:39:22,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-24 18:39:22,666 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:39:22,666 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:39:22,667 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:39:22,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:39:22,667 INFO L82 PathProgramCache]: Analyzing trace with hash 219727794, now seen corresponding path program 1 times [2018-10-24 18:39:22,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:39:22,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:39:22,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:39:22,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:39:22,670 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:39:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:39:23,001 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:39:23,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:39:23,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 18:39:23,002 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:39:23,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 18:39:23,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 18:39:23,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 18:39:23,004 INFO L87 Difference]: Start difference. First operand 1091 states and 1853 transitions. Second operand 5 states. [2018-10-24 18:39:31,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:39:31,933 INFO L93 Difference]: Finished difference Result 3240 states and 5580 transitions. [2018-10-24 18:39:31,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:39:31,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-10-24 18:39:31,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:39:31,952 INFO L225 Difference]: With dead ends: 3240 [2018-10-24 18:39:31,953 INFO L226 Difference]: Without dead ends: 2155 [2018-10-24 18:39:31,960 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:39:31,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2018-10-24 18:39:32,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2114. [2018-10-24 18:39:32,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2114 states. [2018-10-24 18:39:32,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 3176 transitions. [2018-10-24 18:39:32,070 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 3176 transitions. Word has length 93 [2018-10-24 18:39:32,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:39:32,070 INFO L481 AbstractCegarLoop]: Abstraction has 2114 states and 3176 transitions. [2018-10-24 18:39:32,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 18:39:32,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 3176 transitions. [2018-10-24 18:39:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-24 18:39:32,076 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:39:32,078 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:39:32,078 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:39:32,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:39:32,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1955423070, now seen corresponding path program 1 times [2018-10-24 18:39:32,079 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:39:32,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:39:32,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:39:32,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:39:32,080 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:39:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:39:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:39:32,342 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:39:32,342 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:39:32,343 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 102 with the following transitions: [2018-10-24 18:39:32,346 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [133], [135], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 18:39:32,438 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:39:32,438 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:39:33,942 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:39:33,944 INFO L272 AbstractInterpreter]: Visited 85 different actions 85 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 18:39:33,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:39:33,978 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:39:35,085 INFO L232 lantSequenceWeakener]: Weakened 96 states. On average, predicates are now at 77.51% of their original sizes. [2018-10-24 18:39:35,085 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:39:35,353 INFO L413 sIntCurrentIteration]: We have 100 unified AI predicates [2018-10-24 18:39:35,354 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:39:35,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:39:35,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2018-10-24 18:39:35,355 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:39:35,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 18:39:35,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 18:39:35,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 18:39:35,356 INFO L87 Difference]: Start difference. First operand 2114 states and 3176 transitions. Second operand 7 states. [2018-10-24 18:39:37,573 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 18:41:04,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:41:04,037 INFO L93 Difference]: Finished difference Result 4532 states and 6731 transitions. [2018-10-24 18:41:04,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:41:04,037 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 101 [2018-10-24 18:41:04,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:41:04,051 INFO L225 Difference]: With dead ends: 4532 [2018-10-24 18:41:04,051 INFO L226 Difference]: Without dead ends: 2424 [2018-10-24 18:41:04,060 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 101 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:41:04,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2424 states. [2018-10-24 18:41:04,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2424 to 2422. [2018-10-24 18:41:04,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2422 states. [2018-10-24 18:41:04,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2422 states and 3492 transitions. [2018-10-24 18:41:04,136 INFO L78 Accepts]: Start accepts. Automaton has 2422 states and 3492 transitions. Word has length 101 [2018-10-24 18:41:04,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:41:04,137 INFO L481 AbstractCegarLoop]: Abstraction has 2422 states and 3492 transitions. [2018-10-24 18:41:04,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 18:41:04,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 3492 transitions. [2018-10-24 18:41:04,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-24 18:41:04,141 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:41:04,141 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-24 18:41:04,142 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:41:04,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:41:04,142 INFO L82 PathProgramCache]: Analyzing trace with hash -628352103, now seen corresponding path program 1 times [2018-10-24 18:41:04,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:41:04,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:41:04,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:41:04,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:41:04,144 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:41:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:41:05,122 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:41:05,122 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:41:05,122 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:41:05,123 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-10-24 18:41:05,123 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [133], [135], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 18:41:05,130 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:41:05,130 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:41:06,269 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 18:41:12,508 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:41:12,508 INFO L272 AbstractInterpreter]: Visited 104 different actions 299 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 18:41:12,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:41:12,516 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:41:15,756 INFO L232 lantSequenceWeakener]: Weakened 21 states. On average, predicates are now at 78.79% of their original sizes. [2018-10-24 18:41:15,757 INFO L411 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-10-24 18:42:52,699 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 18:42:52,704 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 18:42:52,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 06:42:52 BoogieIcfgContainer [2018-10-24 18:42:52,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 18:42:52,709 INFO L168 Benchmark]: Toolchain (without parser) took 228132.35 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 158.1 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2018-10-24 18:42:52,710 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-10-24 18:42:52,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1213.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2018-10-24 18:42:52,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 376.91 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -875.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2018-10-24 18:42:52,715 INFO L168 Benchmark]: Boogie Preprocessor took 239.38 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2018-10-24 18:42:52,716 INFO L168 Benchmark]: RCFGBuilder took 6404.80 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 310.9 MB). Peak memory consumption was 310.9 MB. Max. memory is 7.1 GB. [2018-10-24 18:42:52,716 INFO L168 Benchmark]: TraceAbstraction took 219891.60 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 1.3 GB in the end (delta: 603.5 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-24 18:42:52,724 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 1213.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 376.91 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -875.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 239.38 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6404.80 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 310.9 MB). Peak memory consumption was 310.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 219891.60 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 1.3 GB in the end (delta: 603.5 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 46). Cancelled while BasicCegarLoop was analyzing trace of length 198 with TraceHistMax 3,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 15 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 219.8s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 106.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 919 SDtfs, 2706 SDslu, 879 SDs, 0 SdLazy, 5136 SolverSat, 1118 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 73.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 116 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2422occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 9.0s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9931820407363885 AbsIntWeakeningRatio, 0.1554054054054054 AbsIntAvgWeakeningVarsNumRemoved, 372.9155405405405 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 66 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 61313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 17/26 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown