java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label15_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 04:41:13,610 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 04:41:13,617 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 04:41:13,630 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 04:41:13,631 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 04:41:13,632 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 04:41:13,633 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 04:41:13,641 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 04:41:13,645 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 04:41:13,646 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 04:41:13,647 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 04:41:13,647 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 04:41:13,658 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 04:41:13,659 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 04:41:13,661 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 04:41:13,661 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 04:41:13,662 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 04:41:13,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 04:41:13,666 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 04:41:13,667 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 04:41:13,669 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 04:41:13,670 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 04:41:13,672 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-21 04:41:13,681 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-21 04:41:13,696 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 04:41:13,696 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 04:41:13,697 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 04:41:13,697 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 04:41:13,697 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 04:41:13,697 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 04:41:13,698 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 04:41:13,698 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 04:41:13,698 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 04:41:13,698 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 04:41:13,698 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 04:41:13,699 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 04:41:13,699 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 04:41:13,701 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 04:41:13,701 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 04:41:13,701 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 04:41:13,701 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 04:41:13,701 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 04:41:13,702 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 04:41:13,702 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 04:41:13,702 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 04:41:13,702 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 04:41:13,703 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 04:41:13,703 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 04:41:13,703 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 04:41:13,703 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 04:41:13,703 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 04:41:13,704 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 04:41:13,704 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 04:41:13,704 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 04:41:13,704 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 04:41:13,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 04:41:13,704 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 04:41:13,707 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 04:41:13,707 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 04:41:13,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 04:41:13,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 04:41:13,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 04:41:13,791 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 04:41:13,792 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 04:41:13,793 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label15_false-unreach-call.c [2018-07-21 04:41:14,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/3037f2457/d4cfbe4f1947430e8dd11978ba9f0be0/FLAG424fcab63 [2018-07-21 04:41:14,629 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 04:41:14,630 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label15_false-unreach-call.c [2018-07-21 04:41:14,683 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/3037f2457/d4cfbe4f1947430e8dd11978ba9f0be0/FLAG424fcab63 [2018-07-21 04:41:14,707 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/3037f2457/d4cfbe4f1947430e8dd11978ba9f0be0 [2018-07-21 04:41:14,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 04:41:14,725 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 04:41:14,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 04:41:14,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 04:41:14,740 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 04:41:14,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:41:14" (1/1) ... [2018-07-21 04:41:14,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3caa972e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:41:14, skipping insertion in model container [2018-07-21 04:41:14,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:41:14" (1/1) ... [2018-07-21 04:41:15,031 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 04:41:15,659 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 04:41:15,680 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 04:41:16,049 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 04:41:16,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:41:16 WrapperNode [2018-07-21 04:41:16,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 04:41:16,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 04:41:16,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 04:41:16,191 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 04:41:16,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:41:16" (1/1) ... [2018-07-21 04:41:16,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:41:16" (1/1) ... [2018-07-21 04:41:16,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 04:41:16,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 04:41:16,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 04:41:16,386 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 04:41:16,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:41:16" (1/1) ... [2018-07-21 04:41:16,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:41:16" (1/1) ... [2018-07-21 04:41:16,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:41:16" (1/1) ... [2018-07-21 04:41:16,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:41:16" (1/1) ... [2018-07-21 04:41:16,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:41:16" (1/1) ... [2018-07-21 04:41:16,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:41:16" (1/1) ... [2018-07-21 04:41:16,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:41:16" (1/1) ... [2018-07-21 04:41:16,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 04:41:16,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 04:41:16,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 04:41:16,539 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 04:41:16,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:41:16" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 04:41:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 04:41:16,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 04:41:16,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 04:41:16,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 04:41:16,951 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-21 04:41:16,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-21 04:41:16,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 04:41:16,952 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 04:41:16,952 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-21 04:41:16,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-21 04:41:22,514 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 04:41:22,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:41:22 BoogieIcfgContainer [2018-07-21 04:41:22,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 04:41:22,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 04:41:22,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 04:41:22,520 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 04:41:22,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:41:14" (1/3) ... [2018-07-21 04:41:22,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd6c842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:41:22, skipping insertion in model container [2018-07-21 04:41:22,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:41:16" (2/3) ... [2018-07-21 04:41:22,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd6c842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:41:22, skipping insertion in model container [2018-07-21 04:41:22,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:41:22" (3/3) ... [2018-07-21 04:41:22,524 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label15_false-unreach-call.c [2018-07-21 04:41:22,534 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 04:41:22,543 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 04:41:22,600 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 04:41:22,601 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 04:41:22,601 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 04:41:22,601 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 04:41:22,602 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 04:41:22,602 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 04:41:22,602 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 04:41:22,602 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 04:41:22,602 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 04:41:22,637 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-07-21 04:41:22,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-07-21 04:41:22,646 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:41:22,647 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 04:41:22,647 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:41:22,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1955412723, now seen corresponding path program 1 times [2018-07-21 04:41:22,655 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:41:22,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:41:22,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:41:22,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:41:22,707 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:41:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:41:23,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 04:41:23,083 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:41:23,083 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 04:41:23,084 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:41:23,087 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 04:41:23,109 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 04:41:23,109 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 04:41:23,111 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 4 states. [2018-07-21 04:41:32,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:41:32,459 INFO L93 Difference]: Finished difference Result 1513 states and 2838 transitions. [2018-07-21 04:41:32,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 04:41:32,461 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-07-21 04:41:32,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:41:32,520 INFO L225 Difference]: With dead ends: 1513 [2018-07-21 04:41:32,520 INFO L226 Difference]: Without dead ends: 1097 [2018-07-21 04:41:32,536 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 04:41:32,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2018-07-21 04:41:32,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 744. [2018-07-21 04:41:32,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-07-21 04:41:32,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1357 transitions. [2018-07-21 04:41:32,675 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1357 transitions. Word has length 29 [2018-07-21 04:41:32,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:41:32,678 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1357 transitions. [2018-07-21 04:41:32,678 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 04:41:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1357 transitions. [2018-07-21 04:41:32,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-07-21 04:41:32,685 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:41:32,686 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-21 04:41:32,686 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:41:32,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1768587228, now seen corresponding path program 1 times [2018-07-21 04:41:32,686 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:41:32,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:41:32,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:41:32,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:41:32,690 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:41:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:41:32,956 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 04:41:32,957 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:41:32,957 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-21 04:41:32,957 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:41:32,960 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-21 04:41:32,961 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-21 04:41:32,961 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-21 04:41:32,961 INFO L87 Difference]: Start difference. First operand 744 states and 1357 transitions. Second operand 5 states. [2018-07-21 04:41:38,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:41:38,347 INFO L93 Difference]: Finished difference Result 2196 states and 4092 transitions. [2018-07-21 04:41:38,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 04:41:38,396 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2018-07-21 04:41:38,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:41:38,410 INFO L225 Difference]: With dead ends: 2196 [2018-07-21 04:41:38,410 INFO L226 Difference]: Without dead ends: 1458 [2018-07-21 04:41:38,415 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-21 04:41:38,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2018-07-21 04:41:38,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1438. [2018-07-21 04:41:38,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1438 states. [2018-07-21 04:41:38,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2551 transitions. [2018-07-21 04:41:38,511 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2551 transitions. Word has length 99 [2018-07-21 04:41:38,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:41:38,512 INFO L471 AbstractCegarLoop]: Abstraction has 1438 states and 2551 transitions. [2018-07-21 04:41:38,512 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-21 04:41:38,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2551 transitions. [2018-07-21 04:41:38,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-21 04:41:38,520 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:41:38,520 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-21 04:41:38,520 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:41:38,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1779534279, now seen corresponding path program 1 times [2018-07-21 04:41:38,521 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:41:38,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:41:38,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:41:38,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:41:38,522 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:41:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:41:38,758 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 04:41:38,759 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:41:38,759 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 04:41:38,759 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:41:38,760 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 04:41:38,760 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 04:41:38,760 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 04:41:38,760 INFO L87 Difference]: Start difference. First operand 1438 states and 2551 transitions. Second operand 6 states. [2018-07-21 04:41:44,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:41:44,096 INFO L93 Difference]: Finished difference Result 4237 states and 7540 transitions. [2018-07-21 04:41:44,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 04:41:44,141 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2018-07-21 04:41:44,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:41:44,167 INFO L225 Difference]: With dead ends: 4237 [2018-07-21 04:41:44,167 INFO L226 Difference]: Without dead ends: 2805 [2018-07-21 04:41:44,178 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 04:41:44,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2805 states. [2018-07-21 04:41:44,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2805 to 2785. [2018-07-21 04:41:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2785 states. [2018-07-21 04:41:44,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2785 states and 4352 transitions. [2018-07-21 04:41:44,347 INFO L78 Accepts]: Start accepts. Automaton has 2785 states and 4352 transitions. Word has length 102 [2018-07-21 04:41:44,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:41:44,348 INFO L471 AbstractCegarLoop]: Abstraction has 2785 states and 4352 transitions. [2018-07-21 04:41:44,348 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 04:41:44,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 4352 transitions. [2018-07-21 04:41:44,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-07-21 04:41:44,356 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:41:44,356 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-21 04:41:44,356 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:41:44,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1025099156, now seen corresponding path program 1 times [2018-07-21 04:41:44,357 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:41:44,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:41:44,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:41:44,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:41:44,364 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:41:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:41:44,659 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 04:41:44,659 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:41:44,659 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 04:41:44,660 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:41:44,660 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 04:41:44,660 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 04:41:44,660 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-21 04:41:44,661 INFO L87 Difference]: Start difference. First operand 2785 states and 4352 transitions. Second operand 6 states. [2018-07-21 04:41:51,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:41:51,723 INFO L93 Difference]: Finished difference Result 9153 states and 15305 transitions. [2018-07-21 04:41:51,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-21 04:41:51,726 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-07-21 04:41:51,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:41:51,779 INFO L225 Difference]: With dead ends: 9153 [2018-07-21 04:41:51,779 INFO L226 Difference]: Without dead ends: 6374 [2018-07-21 04:41:51,809 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-21 04:41:51,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6374 states. [2018-07-21 04:41:52,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6374 to 6292. [2018-07-21 04:41:52,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6292 states. [2018-07-21 04:41:52,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6292 states to 6292 states and 9597 transitions. [2018-07-21 04:41:52,088 INFO L78 Accepts]: Start accepts. Automaton has 6292 states and 9597 transitions. Word has length 103 [2018-07-21 04:41:52,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:41:52,089 INFO L471 AbstractCegarLoop]: Abstraction has 6292 states and 9597 transitions. [2018-07-21 04:41:52,089 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 04:41:52,089 INFO L276 IsEmpty]: Start isEmpty. Operand 6292 states and 9597 transitions. [2018-07-21 04:41:52,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-07-21 04:41:52,093 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:41:52,094 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-21 04:41:52,094 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:41:52,094 INFO L82 PathProgramCache]: Analyzing trace with hash -903146316, now seen corresponding path program 1 times [2018-07-21 04:41:52,094 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:41:52,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:41:52,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:41:52,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:41:52,096 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:41:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:41:52,441 WARN L169 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 04:41:52,752 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 04:41:52,752 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:41:52,753 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 04:41:52,753 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:41:52,753 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 04:41:52,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 04:41:52,754 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 04:41:52,754 INFO L87 Difference]: Start difference. First operand 6292 states and 9597 transitions. Second operand 6 states. [2018-07-21 04:41:57,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:41:57,735 INFO L93 Difference]: Finished difference Result 15372 states and 24259 transitions. [2018-07-21 04:41:57,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 04:41:57,738 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2018-07-21 04:41:57,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:41:57,792 INFO L225 Difference]: With dead ends: 15372 [2018-07-21 04:41:57,792 INFO L226 Difference]: Without dead ends: 9086 [2018-07-21 04:41:57,837 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 04:41:57,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9086 states. [2018-07-21 04:41:58,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9086 to 9038. [2018-07-21 04:41:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9038 states. [2018-07-21 04:41:58,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9038 states to 9038 states and 12772 transitions. [2018-07-21 04:41:58,233 INFO L78 Accepts]: Start accepts. Automaton has 9038 states and 12772 transitions. Word has length 107 [2018-07-21 04:41:58,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:41:58,234 INFO L471 AbstractCegarLoop]: Abstraction has 9038 states and 12772 transitions. [2018-07-21 04:41:58,234 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 04:41:58,234 INFO L276 IsEmpty]: Start isEmpty. Operand 9038 states and 12772 transitions. [2018-07-21 04:41:58,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-21 04:41:58,237 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:41:58,237 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 04:41:58,237 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:41:58,238 INFO L82 PathProgramCache]: Analyzing trace with hash -591481199, now seen corresponding path program 1 times [2018-07-21 04:41:58,238 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:41:58,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:41:58,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:41:58,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:41:58,239 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:41:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:41:58,542 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 04:41:58,921 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 04:41:58,921 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:41:58,921 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 04:41:58,921 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:41:58,922 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 04:41:58,922 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 04:41:58,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 04:41:58,923 INFO L87 Difference]: Start difference. First operand 9038 states and 12772 transitions. Second operand 6 states. [2018-07-21 04:42:04,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:42:04,337 INFO L93 Difference]: Finished difference Result 21825 states and 32524 transitions. [2018-07-21 04:42:04,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 04:42:04,339 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 114 [2018-07-21 04:42:04,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:42:04,414 INFO L225 Difference]: With dead ends: 21825 [2018-07-21 04:42:04,414 INFO L226 Difference]: Without dead ends: 12793 [2018-07-21 04:42:04,442 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 04:42:04,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12793 states. [2018-07-21 04:42:04,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12793 to 12741. [2018-07-21 04:42:04,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12741 states. [2018-07-21 04:42:04,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12741 states to 12741 states and 16666 transitions. [2018-07-21 04:42:04,847 INFO L78 Accepts]: Start accepts. Automaton has 12741 states and 16666 transitions. Word has length 114 [2018-07-21 04:42:04,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:42:04,848 INFO L471 AbstractCegarLoop]: Abstraction has 12741 states and 16666 transitions. [2018-07-21 04:42:04,848 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 04:42:04,848 INFO L276 IsEmpty]: Start isEmpty. Operand 12741 states and 16666 transitions. [2018-07-21 04:42:04,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-07-21 04:42:04,850 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:42:04,850 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 04:42:04,850 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:42:04,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1088975696, now seen corresponding path program 1 times [2018-07-21 04:42:04,853 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:42:04,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:42:04,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:42:04,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:42:04,854 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:42:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:42:05,124 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 04:42:05,167 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-07-21 04:42:05,167 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 04:42:05,167 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 04:42:05,173 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 122 with the following transitions: [2018-07-21 04:42:05,176 INFO L201 CegarAbsIntRunner]: [0], [1], [183], [187], [193], [197], [199], [204], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [335], [337], [340], [348], [356], [364], [372], [380], [388], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [676], [684], [692], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [784], [1576], [1577], [1578], [1579], [1581], [1582] [2018-07-21 04:42:05,247 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 04:42:05,248 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 04:42:13,860 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 04:42:22,723 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 04:42:22,725 INFO L272 AbstractInterpreter]: Visited 99 different actions 284 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-21 04:42:22,804 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 04:42:25,632 INFO L232 lantSequenceWeakener]: Weakened 119 states. On average, predicates are now at 77.86% of their original sizes. [2018-07-21 04:42:25,632 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 04:42:27,714 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 04:42:27,715 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 04:42:27,715 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [4] total 20 [2018-07-21 04:42:27,715 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:42:27,715 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-21 04:42:27,715 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-21 04:42:27,715 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-07-21 04:42:27,716 INFO L87 Difference]: Start difference. First operand 12741 states and 16666 transitions. Second operand 18 states. [2018-07-21 04:44:49,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:44:49,705 INFO L93 Difference]: Finished difference Result 28337 states and 36698 transitions. [2018-07-21 04:44:49,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-21 04:44:49,705 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 121 [2018-07-21 04:44:49,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:44:49,761 INFO L225 Difference]: With dead ends: 28337 [2018-07-21 04:44:49,761 INFO L226 Difference]: Without dead ends: 15602 [2018-07-21 04:44:49,801 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 138 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2018-07-21 04:44:49,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15602 states. [2018-07-21 04:44:50,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15602 to 14976. [2018-07-21 04:44:50,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14976 states. [2018-07-21 04:44:50,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14976 states to 14976 states and 19017 transitions. [2018-07-21 04:44:50,230 INFO L78 Accepts]: Start accepts. Automaton has 14976 states and 19017 transitions. Word has length 121 [2018-07-21 04:44:50,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:44:50,230 INFO L471 AbstractCegarLoop]: Abstraction has 14976 states and 19017 transitions. [2018-07-21 04:44:50,230 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-21 04:44:50,231 INFO L276 IsEmpty]: Start isEmpty. Operand 14976 states and 19017 transitions. [2018-07-21 04:44:50,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-07-21 04:44:50,233 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:44:50,233 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 04:44:50,233 INFO L414 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:44:50,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1505806648, now seen corresponding path program 1 times [2018-07-21 04:44:50,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:44:50,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:44:50,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:44:50,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:44:50,235 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:44:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:44:50,525 WARN L169 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 04:44:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-07-21 04:44:50,761 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 04:44:50,761 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 04:44:50,761 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-07-21 04:44:50,761 INFO L201 CegarAbsIntRunner]: [0], [1], [183], [187], [193], [197], [199], [204], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [335], [337], [340], [348], [356], [364], [372], [380], [388], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [676], [684], [692], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [928], [1576], [1577], [1578], [1579], [1581], [1582] [2018-07-21 04:44:50,779 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 04:44:50,779 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-21 04:44:52,938 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-21 04:44:52,939 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-21 04:44:52,940 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-21 04:44:52,940 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 04:44:52,940 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 04:44:52,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:44:52,959 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-21 04:44:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:44:53,096 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 04:44:53,149 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-21 04:44:53,350 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 04:44:53,350 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 04:44:53,354 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 04:44:53,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:44:53 BoogieIcfgContainer [2018-07-21 04:44:53,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 04:44:53,357 INFO L168 Benchmark]: Toolchain (without parser) took 218636.89 ms. Allocated memory was 305.7 MB in the beginning and 2.5 GB in the end (delta: 2.2 GB). Free memory was 246.4 MB in the beginning and 459.2 MB in the end (delta: -212.8 MB). Peak memory consumption was 2.0 GB. Max. memory is 5.3 GB. [2018-07-21 04:44:53,358 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 305.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 04:44:53,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1461.21 ms. Allocated memory was 305.7 MB in the beginning and 331.9 MB in the end (delta: 26.2 MB). Free memory was 246.4 MB in the beginning and 265.5 MB in the end (delta: -19.1 MB). Peak memory consumption was 74.4 MB. Max. memory is 5.3 GB. [2018-07-21 04:44:53,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 194.82 ms. Allocated memory is still 331.9 MB. Free memory was 265.5 MB in the beginning and 243.7 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 5.3 GB. [2018-07-21 04:44:53,365 INFO L168 Benchmark]: Boogie Preprocessor took 153.00 ms. Allocated memory is still 331.9 MB. Free memory was 243.7 MB in the beginning and 226.1 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 5.3 GB. [2018-07-21 04:44:53,365 INFO L168 Benchmark]: RCFGBuilder took 5976.71 ms. Allocated memory was 331.9 MB in the beginning and 535.3 MB in the end (delta: 203.4 MB). Free memory was 226.1 MB in the beginning and 408.5 MB in the end (delta: -182.4 MB). Peak memory consumption was 146.6 MB. Max. memory is 5.3 GB. [2018-07-21 04:44:53,366 INFO L168 Benchmark]: TraceAbstraction took 210839.53 ms. Allocated memory was 535.3 MB in the beginning and 2.5 GB in the end (delta: 2.0 GB). Free memory was 408.5 MB in the beginning and 459.2 MB in the end (delta: -50.8 MB). Peak memory consumption was 1.9 GB. Max. memory is 5.3 GB. [2018-07-21 04:44:53,372 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 305.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 1461.21 ms. Allocated memory was 305.7 MB in the beginning and 331.9 MB in the end (delta: 26.2 MB). Free memory was 246.4 MB in the beginning and 265.5 MB in the end (delta: -19.1 MB). Peak memory consumption was 74.4 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 194.82 ms. Allocated memory is still 331.9 MB. Free memory was 265.5 MB in the beginning and 243.7 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 153.00 ms. Allocated memory is still 331.9 MB. Free memory was 243.7 MB in the beginning and 226.1 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 5976.71 ms. Allocated memory was 331.9 MB in the beginning and 535.3 MB in the end (delta: 203.4 MB). Free memory was 226.1 MB in the beginning and 408.5 MB in the end (delta: -182.4 MB). Peak memory consumption was 146.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 210839.53 ms. Allocated memory was 535.3 MB in the beginning and 2.5 GB in the end (delta: 2.0 GB). Free memory was 408.5 MB in the beginning and 459.2 MB in the end (delta: -50.8 MB). Peak memory consumption was 1.9 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 73). Cancelled while BasicCegarLoop was analyzing trace of length 158 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 4 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 210.7s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 180.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1042 SDtfs, 13971 SDslu, 1396 SDs, 0 SdLazy, 18774 SolverSat, 3519 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 110.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 194 GetRequests, 119 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14976occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 19.8s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.992300724637681 AbsIntWeakeningRatio, 0.16666666666666666 AbsIntAvgWeakeningVarsNumRemoved, 36.675 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 7 MinimizatonAttempts, 1201 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 675 NumberOfCodeBlocks, 675 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 668 ConstructedInterpolants, 0 QuantifiedInterpolants, 299930 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 114/132 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem16_label15_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_04-44-53-391.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem16_label15_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_04-44-53-391.csv Completed graceful shutdown