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/Problem15_label27_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 18:23:47,739 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 18:23:47,741 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 18:23:47,752 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 18:23:47,752 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 18:23:47,753 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 18:23:47,754 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 18:23:47,756 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 18:23:47,758 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 18:23:47,758 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 18:23:47,759 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 18:23:47,759 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 18:23:47,760 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 18:23:47,761 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 18:23:47,762 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 18:23:47,763 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 18:23:47,764 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 18:23:47,765 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 18:23:47,777 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 18:23:47,778 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 18:23:47,779 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 18:23:47,786 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 18:23:47,788 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-21 18:23:47,801 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 18:23:47,802 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 18:23:47,803 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 18:23:47,803 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 18:23:47,804 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 18:23:47,818 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 18:23:47,818 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 18:23:47,819 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 18:23:47,819 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 18:23:47,819 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 18:23:47,820 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 18:23:47,820 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 18:23:47,820 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 18:23:47,820 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 18:23:47,820 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 18:23:47,820 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 18:23:47,821 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 18:23:47,821 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 18:23:47,822 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 18:23:47,822 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 18:23:47,822 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 18:23:47,822 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 18:23:47,822 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 18:23:47,822 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 18:23:47,823 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 18:23:47,823 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 18:23:47,823 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 18:23:47,823 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 18:23:47,823 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 18:23:47,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 18:23:47,824 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 18:23:47,824 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 18:23:47,824 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 18:23:47,824 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 18:23:47,825 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 18:23:47,825 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 18:23:47,825 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 18:23:47,825 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 18:23:47,825 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 18:23:47,825 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 18:23:47,884 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 18:23:47,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 18:23:47,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 18:23:47,908 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 18:23:47,908 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 18:23:47,909 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label27_true-unreach-call.c [2018-07-21 18:23:48,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/fa47e78bd/f2a2f34212b641c981657a45872482a3/FLAG1466e74e2 [2018-07-21 18:23:48,718 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 18:23:48,719 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label27_true-unreach-call.c [2018-07-21 18:23:48,777 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/fa47e78bd/f2a2f34212b641c981657a45872482a3/FLAG1466e74e2 [2018-07-21 18:23:48,798 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/fa47e78bd/f2a2f34212b641c981657a45872482a3 [2018-07-21 18:23:48,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 18:23:48,813 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 18:23:48,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 18:23:48,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 18:23:48,825 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 18:23:48,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 06:23:48" (1/1) ... [2018-07-21 18:23:48,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0156a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:23:48, skipping insertion in model container [2018-07-21 18:23:48,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 06:23:48" (1/1) ... [2018-07-21 18:23:49,107 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 18:23:49,841 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 18:23:49,861 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 18:23:50,359 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 18:23:50,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:23:50 WrapperNode [2018-07-21 18:23:50,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 18:23:50,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 18:23:50,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 18:23:50,496 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 18:23:50,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:23:50" (1/1) ... [2018-07-21 18:23:50,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:23:50" (1/1) ... [2018-07-21 18:23:50,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 18:23:50,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 18:23:50,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 18:23:50,773 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 18:23:51,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:23:50" (1/1) ... [2018-07-21 18:23:51,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:23:50" (1/1) ... [2018-07-21 18:23:51,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:23:50" (1/1) ... [2018-07-21 18:23:51,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:23:50" (1/1) ... [2018-07-21 18:23:51,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:23:50" (1/1) ... [2018-07-21 18:23:51,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:23:50" (1/1) ... [2018-07-21 18:23:51,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:23:50" (1/1) ... [2018-07-21 18:23:51,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 18:23:51,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 18:23:51,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 18:23:51,522 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 18:23:51,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:23:50" (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 18:23:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 18:23:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 18:23:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 18:23:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 18:23:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 18:23:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 18:23:51,608 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-21 18:23:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-21 18:23:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-21 18:23:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-21 18:24:01,061 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 18:24:01,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 06:24:01 BoogieIcfgContainer [2018-07-21 18:24:01,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 18:24:01,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 18:24:01,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 18:24:01,110 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 18:24:01,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 06:23:48" (1/3) ... [2018-07-21 18:24:01,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e78e1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 06:24:01, skipping insertion in model container [2018-07-21 18:24:01,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:23:50" (2/3) ... [2018-07-21 18:24:01,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e78e1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 06:24:01, skipping insertion in model container [2018-07-21 18:24:01,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 06:24:01" (3/3) ... [2018-07-21 18:24:01,114 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label27_true-unreach-call.c [2018-07-21 18:24:01,121 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 18:24:01,129 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 18:24:01,197 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 18:24:01,198 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 18:24:01,198 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 18:24:01,198 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 18:24:01,198 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 18:24:01,198 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 18:24:01,198 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 18:24:01,199 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 18:24:01,199 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 18:24:01,236 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-07-21 18:24:01,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-21 18:24:01,246 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 18:24:01,247 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 18:24:01,247 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 18:24:01,251 INFO L82 PathProgramCache]: Analyzing trace with hash 122989340, now seen corresponding path program 1 times [2018-07-21 18:24:01,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 18:24:01,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:24:01,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 18:24:01,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:24:01,295 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 18:24:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 18:24:01,799 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-07-21 18:24:01,823 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 18:24:01,825 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 18:24:01,826 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 18:24:01,826 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 18:24:01,830 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 18:24:01,846 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 18:24:01,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 18:24:01,850 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-07-21 18:24:08,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 18:24:08,342 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-07-21 18:24:08,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 18:24:08,344 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2018-07-21 18:24:08,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 18:24:08,376 INFO L225 Difference]: With dead ends: 1558 [2018-07-21 18:24:08,376 INFO L226 Difference]: Without dead ends: 1114 [2018-07-21 18:24:08,391 INFO L578 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 [2018-07-21 18:24:08,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-07-21 18:24:08,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 759. [2018-07-21 18:24:08,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2018-07-21 18:24:08,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1355 transitions. [2018-07-21 18:24:08,508 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1355 transitions. Word has length 44 [2018-07-21 18:24:08,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 18:24:08,509 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 1355 transitions. [2018-07-21 18:24:08,509 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 18:24:08,510 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1355 transitions. [2018-07-21 18:24:08,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-21 18:24:08,519 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 18:24:08,520 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, 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] [2018-07-21 18:24:08,521 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 18:24:08,521 INFO L82 PathProgramCache]: Analyzing trace with hash -2047681593, now seen corresponding path program 1 times [2018-07-21 18:24:08,521 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 18:24:08,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:24:08,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 18:24:08,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:24:08,523 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 18:24:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 18:24:08,796 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 18:24:08,796 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 18:24:08,797 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 18:24:08,797 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 18:24:08,800 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 18:24:08,800 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 18:24:08,800 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 18:24:08,801 INFO L87 Difference]: Start difference. First operand 759 states and 1355 transitions. Second operand 4 states. [2018-07-21 18:24:14,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 18:24:14,471 INFO L93 Difference]: Finished difference Result 2757 states and 5143 transitions. [2018-07-21 18:24:14,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 18:24:14,505 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 114 [2018-07-21 18:24:14,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 18:24:14,526 INFO L225 Difference]: With dead ends: 2757 [2018-07-21 18:24:14,526 INFO L226 Difference]: Without dead ends: 2004 [2018-07-21 18:24:14,534 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 18:24:14,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2018-07-21 18:24:14,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1999. [2018-07-21 18:24:14,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1999 states. [2018-07-21 18:24:14,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 3239 transitions. [2018-07-21 18:24:14,656 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 3239 transitions. Word has length 114 [2018-07-21 18:24:14,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 18:24:14,659 INFO L471 AbstractCegarLoop]: Abstraction has 1999 states and 3239 transitions. [2018-07-21 18:24:14,659 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 18:24:14,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 3239 transitions. [2018-07-21 18:24:14,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-21 18:24:14,683 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 18:24:14,683 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, 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] [2018-07-21 18:24:14,684 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 18:24:14,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1573688321, now seen corresponding path program 1 times [2018-07-21 18:24:14,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 18:24:14,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:24:14,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 18:24:14,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:24:14,686 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 18:24:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 18:24:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 18:24:15,025 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 18:24:15,026 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-21 18:24:15,026 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 18:24:15,026 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-21 18:24:15,027 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-21 18:24:15,027 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-21 18:24:15,027 INFO L87 Difference]: Start difference. First operand 1999 states and 3239 transitions. Second operand 5 states. [2018-07-21 18:24:24,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 18:24:24,949 INFO L93 Difference]: Finished difference Result 7361 states and 12132 transitions. [2018-07-21 18:24:24,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-21 18:24:24,951 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2018-07-21 18:24:24,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 18:24:24,992 INFO L225 Difference]: With dead ends: 7361 [2018-07-21 18:24:24,993 INFO L226 Difference]: Without dead ends: 5368 [2018-07-21 18:24:25,019 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 18:24:25,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5368 states. [2018-07-21 18:24:25,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5368 to 5286. [2018-07-21 18:24:25,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5286 states. [2018-07-21 18:24:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5286 states to 5286 states and 7073 transitions. [2018-07-21 18:24:25,241 INFO L78 Accepts]: Start accepts. Automaton has 5286 states and 7073 transitions. Word has length 168 [2018-07-21 18:24:25,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 18:24:25,242 INFO L471 AbstractCegarLoop]: Abstraction has 5286 states and 7073 transitions. [2018-07-21 18:24:25,242 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-21 18:24:25,242 INFO L276 IsEmpty]: Start isEmpty. Operand 5286 states and 7073 transitions. [2018-07-21 18:24:25,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-07-21 18:24:25,253 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 18:24:25,253 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 18:24:25,253 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 18:24:25,254 INFO L82 PathProgramCache]: Analyzing trace with hash 491168362, now seen corresponding path program 1 times [2018-07-21 18:24:25,254 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 18:24:25,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:24:25,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 18:24:25,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:24:25,255 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 18:24:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 18:24:26,128 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 77 proven. 87 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-07-21 18:24:26,128 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 18:24:26,129 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 18:24:26,131 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-07-21 18:24:26,133 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [98], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [349], [351], [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], [570], [578], [586], [591], [595], [606], [610], [614], [618], [622], [626], [630], [634], [638], [642], [646], [650], [654], [665], [669], [673], [677], [681], [692], [696], [700], [704], [708], [712], [715], [716], [720], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [822], [833], [837], [840], [845], [847], [1659], [1660], [1661], [1662], [1664], [1665] [2018-07-21 18:24:26,226 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 18:24:26,226 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 18:24:35,069 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 18:24:49,867 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 18:24:49,869 INFO L272 AbstractInterpreter]: Visited 130 different actions 377 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 18:24:49,895 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 18:24:54,735 INFO L232 lantSequenceWeakener]: Weakened 260 states. On average, predicates are now at 77.85% of their original sizes. [2018-07-21 18:24:54,735 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 18:24:57,716 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 18:24:57,717 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 18:24:57,717 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [6] total 26 [2018-07-21 18:24:57,717 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 18:24:57,717 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-21 18:24:57,718 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-21 18:24:57,718 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2018-07-21 18:24:57,718 INFO L87 Difference]: Start difference. First operand 5286 states and 7073 transitions. Second operand 22 states. Received shutdown request... [2018-07-21 18:27:21,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-21 18:27:21,703 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 18:27:21,709 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 18:27:21,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 06:27:21 BoogieIcfgContainer [2018-07-21 18:27:21,710 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 18:27:21,711 INFO L168 Benchmark]: Toolchain (without parser) took 212903.81 ms. Allocated memory was 307.2 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 247.8 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 650.6 MB. Max. memory is 5.3 GB. [2018-07-21 18:27:21,713 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 307.2 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 18:27:21,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1679.49 ms. Allocated memory was 307.2 MB in the beginning and 336.6 MB in the end (delta: 29.4 MB). Free memory was 247.8 MB in the beginning and 241.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 72.6 MB. Max. memory is 5.3 GB. [2018-07-21 18:27:21,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 277.16 ms. Allocated memory is still 336.6 MB. Free memory was 241.8 MB in the beginning and 203.8 MB in the end (delta: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 5.3 GB. [2018-07-21 18:27:21,714 INFO L168 Benchmark]: Boogie Preprocessor took 748.59 ms. Allocated memory was 336.6 MB in the beginning and 557.3 MB in the end (delta: 220.7 MB). Free memory was 203.8 MB in the beginning and 482.6 MB in the end (delta: -278.8 MB). Peak memory consumption was 34.3 MB. Max. memory is 5.3 GB. [2018-07-21 18:27:21,715 INFO L168 Benchmark]: RCFGBuilder took 9584.21 ms. Allocated memory was 557.3 MB in the beginning and 570.4 MB in the end (delta: 13.1 MB). Free memory was 482.6 MB in the beginning and 355.1 MB in the end (delta: 127.5 MB). Peak memory consumption was 194.7 MB. Max. memory is 5.3 GB. [2018-07-21 18:27:21,716 INFO L168 Benchmark]: TraceAbstraction took 200603.71 ms. Allocated memory was 570.4 MB in the beginning and 2.6 GB in the end (delta: 2.0 GB). Free memory was 355.1 MB in the beginning and 1.9 GB in the end (delta: -1.6 GB). Peak memory consumption was 494.6 MB. Max. memory is 5.3 GB. [2018-07-21 18:27:21,726 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 307.2 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 1679.49 ms. Allocated memory was 307.2 MB in the beginning and 336.6 MB in the end (delta: 29.4 MB). Free memory was 247.8 MB in the beginning and 241.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 72.6 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 277.16 ms. Allocated memory is still 336.6 MB. Free memory was 241.8 MB in the beginning and 203.8 MB in the end (delta: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 748.59 ms. Allocated memory was 336.6 MB in the beginning and 557.3 MB in the end (delta: 220.7 MB). Free memory was 203.8 MB in the beginning and 482.6 MB in the end (delta: -278.8 MB). Peak memory consumption was 34.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 9584.21 ms. Allocated memory was 557.3 MB in the beginning and 570.4 MB in the end (delta: 13.1 MB). Free memory was 482.6 MB in the beginning and 355.1 MB in the end (delta: 127.5 MB). Peak memory consumption was 194.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 200603.71 ms. Allocated memory was 570.4 MB in the beginning and 2.6 GB in the end (delta: 2.0 GB). Free memory was 355.1 MB in the beginning and 1.9 GB in the end (delta: -1.6 GB). Peak memory consumption was 494.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 118]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 118). Cancelled while BasicCegarLoop was constructing difference of abstraction (5286states) and interpolant automaton (currently 27 states, 22 states before enhancement), while ReachableStatesComputation was computing reachable states (11158 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 200.5s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 166.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 914 SDtfs, 7083 SDslu, 1218 SDs, 0 SdLazy, 11278 SolverSat, 1875 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 99.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 299 GetRequests, 250 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5286occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 23.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9956811043147629 AbsIntWeakeningRatio, 0.10266159695817491 AbsIntAvgWeakeningVarsNumRemoved, 461.212927756654 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 442 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 590 NumberOfCodeBlocks, 590 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 586 ConstructedInterpolants, 0 QuantifiedInterpolants, 489018 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 157/244 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/Problem15_label27_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_18-27-21-739.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem15_label27_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_18-27-21-739.csv Completed graceful shutdown