java -Xmx8000000000 -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 csv -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label04_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 03:31:47,704 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 03:31:47,706 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 03:31:47,718 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 03:31:47,718 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 03:31:47,719 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 03:31:47,720 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 03:31:47,722 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 03:31:47,724 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 03:31:47,724 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 03:31:47,725 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 03:31:47,726 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 03:31:47,727 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 03:31:47,727 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 03:31:47,729 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 03:31:47,729 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 03:31:47,730 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 03:31:47,732 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 03:31:47,734 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 03:31:47,735 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 03:31:47,737 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 03:31:47,738 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 03:31:47,740 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-24 03:31:47,749 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-24 03:31:47,773 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 03:31:47,773 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 03:31:47,774 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 03:31:47,775 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-24 03:31:47,775 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-24 03:31:47,775 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-24 03:31:47,775 INFO L133 SettingsManager]: * Use SBE=true [2018-07-24 03:31:47,776 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 03:31:47,776 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 03:31:47,776 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 03:31:47,776 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 03:31:47,776 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 03:31:47,776 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 03:31:47,776 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 03:31:47,777 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 03:31:47,777 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 03:31:47,777 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 03:31:47,777 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 03:31:47,777 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 03:31:47,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 03:31:47,778 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 03:31:47,778 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 03:31:47,778 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 03:31:47,778 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-24 03:31:47,778 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 03:31:47,779 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 03:31:47,779 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 03:31:47,779 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 03:31:47,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 03:31:47,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 03:31:47,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 03:31:47,853 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 03:31:47,853 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 03:31:47,854 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label04_true-unreach-call.c [2018-07-24 03:31:48,125 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec2ae1e2/2b8f42f26b244a9895fa58a4787e8485/FLAGc07cb65d9 [2018-07-24 03:31:48,845 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 03:31:48,845 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label04_true-unreach-call.c [2018-07-24 03:31:48,896 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec2ae1e2/2b8f42f26b244a9895fa58a4787e8485/FLAGc07cb65d9 [2018-07-24 03:31:48,916 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec2ae1e2/2b8f42f26b244a9895fa58a4787e8485 [2018-07-24 03:31:48,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 03:31:48,931 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 03:31:48,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 03:31:48,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 03:31:48,941 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 03:31:48,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:31:48" (1/1) ... [2018-07-24 03:31:48,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f89aecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:31:48, skipping insertion in model container [2018-07-24 03:31:48,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:31:48" (1/1) ... [2018-07-24 03:31:49,415 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 03:31:51,025 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 03:31:51,045 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 03:31:52,287 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 03:31:52,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:31:52 WrapperNode [2018-07-24 03:31:52,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 03:31:52,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 03:31:52,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 03:31:52,853 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 03:31:52,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:31:52" (1/1) ... [2018-07-24 03:31:53,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:31:52" (1/1) ... [2018-07-24 03:31:53,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 03:31:53,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 03:31:53,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 03:31:53,665 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 03:31:55,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:31:52" (1/1) ... [2018-07-24 03:31:55,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:31:52" (1/1) ... [2018-07-24 03:31:55,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:31:52" (1/1) ... [2018-07-24 03:31:55,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:31:52" (1/1) ... [2018-07-24 03:31:55,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:31:52" (1/1) ... [2018-07-24 03:31:55,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:31:52" (1/1) ... [2018-07-24 03:31:55,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:31:52" (1/1) ... [2018-07-24 03:31:56,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 03:31:56,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 03:31:56,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 03:31:56,115 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 03:31:56,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:31:52" (1/1) ... No working directory specified, using /storage/repos/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 [2018-07-24 03:31:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-07-24 03:31:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 03:31:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 03:32:17,240 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 03:32:17,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:32:17 BoogieIcfgContainer [2018-07-24 03:32:17,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 03:32:17,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 03:32:17,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 03:32:17,245 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 03:32:17,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 03:31:48" (1/3) ... [2018-07-24 03:32:17,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317cec35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:32:17, skipping insertion in model container [2018-07-24 03:32:17,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:31:52" (2/3) ... [2018-07-24 03:32:17,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317cec35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:32:17, skipping insertion in model container [2018-07-24 03:32:17,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:32:17" (3/3) ... [2018-07-24 03:32:17,248 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label04_true-unreach-call.c [2018-07-24 03:32:17,256 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 03:32:17,265 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 03:32:17,331 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 03:32:17,332 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 03:32:17,332 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 03:32:17,332 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 03:32:17,332 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 03:32:17,332 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 03:32:17,333 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 03:32:17,333 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 03:32:17,333 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 03:32:17,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-07-24 03:32:17,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-07-24 03:32:17,398 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:32:17,399 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:32:17,400 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:32:17,405 INFO L82 PathProgramCache]: Analyzing trace with hash 265969354, now seen corresponding path program 1 times [2018-07-24 03:32:17,407 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:32:17,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:32:17,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:32:17,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:32:17,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:32:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:32:18,328 WARN L169 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 18 [2018-07-24 03:32:18,759 WARN L169 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2018-07-24 03:32:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:32:18,968 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:32:18,969 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 03:32:18,974 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 03:32:18,989 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 03:32:18,990 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-24 03:32:18,993 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 6 states. [2018-07-24 03:33:09,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:33:09,073 INFO L93 Difference]: Finished difference Result 9077 states and 17599 transitions. [2018-07-24 03:33:09,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-24 03:33:09,077 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-07-24 03:33:09,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:33:09,141 INFO L225 Difference]: With dead ends: 9077 [2018-07-24 03:33:09,141 INFO L226 Difference]: Without dead ends: 7315 [2018-07-24 03:33:09,154 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-07-24 03:33:09,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7315 states. [2018-07-24 03:33:09,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7315 to 5898. [2018-07-24 03:33:09,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5898 states. [2018-07-24 03:33:09,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5898 states to 5898 states and 8690 transitions. [2018-07-24 03:33:09,399 INFO L78 Accepts]: Start accepts. Automaton has 5898 states and 8690 transitions. Word has length 63 [2018-07-24 03:33:09,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:33:09,400 INFO L471 AbstractCegarLoop]: Abstraction has 5898 states and 8690 transitions. [2018-07-24 03:33:09,401 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 03:33:09,401 INFO L276 IsEmpty]: Start isEmpty. Operand 5898 states and 8690 transitions. [2018-07-24 03:33:09,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-07-24 03:33:09,417 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:33:09,418 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:33:09,423 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:33:09,424 INFO L82 PathProgramCache]: Analyzing trace with hash 572072304, now seen corresponding path program 1 times [2018-07-24 03:33:09,424 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:33:09,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:33:09,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:33:09,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:33:09,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:33:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:33:10,057 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-07-24 03:33:10,057 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:33:10,057 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/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 [2018-07-24 03:33:10,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:33:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:33:10,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:33:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:33:10,318 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-24 03:33:10,319 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2018-07-24 03:33:10,321 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:33:10,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:33:10,321 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:33:10,322 INFO L87 Difference]: Start difference. First operand 5898 states and 8690 transitions. Second operand 4 states. [2018-07-24 03:33:30,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:33:30,429 INFO L93 Difference]: Finished difference Result 20109 states and 31003 transitions. [2018-07-24 03:33:30,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:33:30,431 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 299 [2018-07-24 03:33:30,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:33:30,496 INFO L225 Difference]: With dead ends: 20109 [2018-07-24 03:33:30,497 INFO L226 Difference]: Without dead ends: 14213 [2018-07-24 03:33:30,509 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:33:30,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14213 states. [2018-07-24 03:33:30,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14213 to 8656. [2018-07-24 03:33:30,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8656 states. [2018-07-24 03:33:30,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8656 states to 8656 states and 12232 transitions. [2018-07-24 03:33:30,753 INFO L78 Accepts]: Start accepts. Automaton has 8656 states and 12232 transitions. Word has length 299 [2018-07-24 03:33:30,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:33:30,755 INFO L471 AbstractCegarLoop]: Abstraction has 8656 states and 12232 transitions. [2018-07-24 03:33:30,756 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:33:30,756 INFO L276 IsEmpty]: Start isEmpty. Operand 8656 states and 12232 transitions. [2018-07-24 03:33:30,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2018-07-24 03:33:30,770 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:33:30,770 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:33:30,771 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:33:30,771 INFO L82 PathProgramCache]: Analyzing trace with hash 648034155, now seen corresponding path program 1 times [2018-07-24 03:33:30,771 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:33:30,772 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:33:30,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:33:30,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:33:30,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:33:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:33:31,707 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:33:31,707 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:33:31,708 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 03:33:31,708 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:33:31,709 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:33:31,709 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:33:31,709 INFO L87 Difference]: Start difference. First operand 8656 states and 12232 transitions. Second operand 4 states. [2018-07-24 03:33:53,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:33:53,067 INFO L93 Difference]: Finished difference Result 22893 states and 31789 transitions. [2018-07-24 03:33:53,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:33:53,068 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 367 [2018-07-24 03:33:53,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:33:53,110 INFO L225 Difference]: With dead ends: 22893 [2018-07-24 03:33:53,111 INFO L226 Difference]: Without dead ends: 11506 [2018-07-24 03:33:53,122 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:33:53,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11506 states. [2018-07-24 03:33:53,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11506 to 11423. [2018-07-24 03:33:53,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11423 states. [2018-07-24 03:33:53,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11423 states to 11423 states and 15362 transitions. [2018-07-24 03:33:53,319 INFO L78 Accepts]: Start accepts. Automaton has 11423 states and 15362 transitions. Word has length 367 [2018-07-24 03:33:53,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:33:53,320 INFO L471 AbstractCegarLoop]: Abstraction has 11423 states and 15362 transitions. [2018-07-24 03:33:53,321 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:33:53,321 INFO L276 IsEmpty]: Start isEmpty. Operand 11423 states and 15362 transitions. [2018-07-24 03:33:53,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-07-24 03:33:53,328 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:33:53,329 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:33:53,329 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:33:53,329 INFO L82 PathProgramCache]: Analyzing trace with hash 106396661, now seen corresponding path program 1 times [2018-07-24 03:33:53,330 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:33:53,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:33:53,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:33:53,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:33:53,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:33:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:33:53,775 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:33:53,775 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:33:53,775 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 03:33:53,776 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:33:53,776 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:33:53,776 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:33:53,777 INFO L87 Difference]: Start difference. First operand 11423 states and 15362 transitions. Second operand 4 states. [2018-07-24 03:34:12,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:34:12,789 INFO L93 Difference]: Finished difference Result 37905 states and 53331 transitions. [2018-07-24 03:34:12,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:34:12,789 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 369 [2018-07-24 03:34:12,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:34:12,840 INFO L225 Difference]: With dead ends: 37905 [2018-07-24 03:34:12,840 INFO L226 Difference]: Without dead ends: 27850 [2018-07-24 03:34:12,853 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:34:12,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27850 states. [2018-07-24 03:34:13,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27850 to 27843. [2018-07-24 03:34:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27843 states. [2018-07-24 03:34:13,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27843 states to 27843 states and 35560 transitions. [2018-07-24 03:34:13,184 INFO L78 Accepts]: Start accepts. Automaton has 27843 states and 35560 transitions. Word has length 369 [2018-07-24 03:34:13,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:34:13,185 INFO L471 AbstractCegarLoop]: Abstraction has 27843 states and 35560 transitions. [2018-07-24 03:34:13,185 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:34:13,185 INFO L276 IsEmpty]: Start isEmpty. Operand 27843 states and 35560 transitions. [2018-07-24 03:34:13,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2018-07-24 03:34:13,198 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:34:13,200 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:34:13,200 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:34:13,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1772196860, now seen corresponding path program 1 times [2018-07-24 03:34:13,201 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:34:13,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:34:13,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:34:13,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:34:13,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:34:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:34:13,946 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 322 proven. 65 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-07-24 03:34:13,946 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:34:13,946 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 03:34:13,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:34:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:34:14,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:34:14,454 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 442 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-07-24 03:34:14,486 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-24 03:34:14,486 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-07-24 03:34:14,488 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 03:34:14,488 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 03:34:14,488 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-24 03:34:14,491 INFO L87 Difference]: Start difference. First operand 27843 states and 35560 transitions. Second operand 5 states. [2018-07-24 03:34:43,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:34:43,739 INFO L93 Difference]: Finished difference Result 128328 states and 166149 transitions. [2018-07-24 03:34:43,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-24 03:34:43,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 523 [2018-07-24 03:34:43,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:34:43,876 INFO L225 Difference]: With dead ends: 128328 [2018-07-24 03:34:43,876 INFO L226 Difference]: Without dead ends: 101853 [2018-07-24 03:34:44,303 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-24 03:34:44,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101853 states. [2018-07-24 03:34:45,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101853 to 100459. [2018-07-24 03:34:45,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100459 states. [2018-07-24 03:34:45,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100459 states to 100459 states and 116445 transitions. [2018-07-24 03:34:45,430 INFO L78 Accepts]: Start accepts. Automaton has 100459 states and 116445 transitions. Word has length 523 [2018-07-24 03:34:45,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:34:45,431 INFO L471 AbstractCegarLoop]: Abstraction has 100459 states and 116445 transitions. [2018-07-24 03:34:45,431 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 03:34:45,432 INFO L276 IsEmpty]: Start isEmpty. Operand 100459 states and 116445 transitions. [2018-07-24 03:34:45,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2018-07-24 03:34:45,445 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:34:45,446 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:34:45,446 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:34:45,446 INFO L82 PathProgramCache]: Analyzing trace with hash -2140253801, now seen corresponding path program 1 times [2018-07-24 03:34:45,446 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:34:45,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:34:45,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:34:45,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:34:45,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:34:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:34:46,120 WARN L169 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-24 03:34:46,578 WARN L169 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 19 [2018-07-24 03:34:46,972 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-07-24 03:34:46,973 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:34:46,973 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 03:34:46,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:34:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:34:47,160 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:34:49,169 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:34:49,189 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-24 03:34:49,189 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2018-07-24 03:34:49,190 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-24 03:34:49,191 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-24 03:34:49,191 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-07-24 03:34:49,191 INFO L87 Difference]: Start difference. First operand 100459 states and 116445 transitions. Second operand 8 states. [2018-07-24 03:35:30,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:35:30,967 INFO L93 Difference]: Finished difference Result 216178 states and 249014 transitions. [2018-07-24 03:35:30,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-24 03:35:30,976 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 551 [2018-07-24 03:35:30,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:35:31,115 INFO L225 Difference]: With dead ends: 216178 [2018-07-24 03:35:31,115 INFO L226 Difference]: Without dead ends: 111621 [2018-07-24 03:35:31,165 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 549 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-07-24 03:35:31,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111621 states. [2018-07-24 03:35:32,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111621 to 111373. [2018-07-24 03:35:32,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111373 states. [2018-07-24 03:35:32,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111373 states to 111373 states and 121722 transitions. [2018-07-24 03:35:32,298 INFO L78 Accepts]: Start accepts. Automaton has 111373 states and 121722 transitions. Word has length 551 [2018-07-24 03:35:32,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:35:32,299 INFO L471 AbstractCegarLoop]: Abstraction has 111373 states and 121722 transitions. [2018-07-24 03:35:32,299 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-24 03:35:32,299 INFO L276 IsEmpty]: Start isEmpty. Operand 111373 states and 121722 transitions. [2018-07-24 03:35:32,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2018-07-24 03:35:32,313 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:35:32,313 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 03:35:32,314 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:35:32,314 INFO L82 PathProgramCache]: Analyzing trace with hash 89026420, now seen corresponding path program 1 times [2018-07-24 03:35:32,314 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:35:32,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:35:32,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:35:32,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:35:32,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:35:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:35:33,396 WARN L169 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2018-07-24 03:35:34,579 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 511 proven. 4 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2018-07-24 03:35:34,579 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:35:34,579 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 03:35:34,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:35:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:35:34,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:35:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 515 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2018-07-24 03:35:35,052 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-24 03:35:35,052 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-07-24 03:35:35,055 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 03:35:35,056 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 03:35:35,056 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-24 03:35:35,056 INFO L87 Difference]: Start difference. First operand 111373 states and 121722 transitions. Second operand 5 states. Received shutdown request... [2018-07-24 03:35:48,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-24 03:35:48,698 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 03:35:48,703 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 03:35:48,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 03:35:48 BoogieIcfgContainer [2018-07-24 03:35:48,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 03:35:48,704 INFO L168 Benchmark]: Toolchain (without parser) took 239774.65 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-07-24 03:35:48,705 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 03:35:48,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3920.74 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 173.5 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -84.7 MB). Peak memory consumption was 489.7 MB. Max. memory is 7.1 GB. [2018-07-24 03:35:48,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 810.93 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 181.2 MB). Peak memory consumption was 181.2 MB. Max. memory is 7.1 GB. [2018-07-24 03:35:48,711 INFO L168 Benchmark]: Boogie Preprocessor took 2450.44 ms. Allocated memory was 1.7 GB in the beginning and 2.8 GB in the end (delta: 1.1 GB). Free memory was 1.3 GB in the beginning and 2.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 195.7 MB. Max. memory is 7.1 GB. [2018-07-24 03:35:48,713 INFO L168 Benchmark]: RCFGBuilder took 21126.41 ms. Allocated memory was 2.8 GB in the beginning and 3.0 GB in the end (delta: 212.3 MB). Free memory was 2.5 GB in the beginning and 2.1 GB in the end (delta: 378.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-07-24 03:35:48,714 INFO L168 Benchmark]: TraceAbstraction took 211461.36 ms. Allocated memory was 3.0 GB in the beginning and 3.9 GB in the end (delta: 917.0 MB). Free memory was 2.1 GB in the beginning and 2.8 GB in the end (delta: -673.0 MB). Peak memory consumption was 244.0 MB. Max. memory is 7.1 GB. [2018-07-24 03:35:48,720 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3920.74 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 173.5 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -84.7 MB). Peak memory consumption was 489.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 810.93 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 181.2 MB). Peak memory consumption was 181.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 2450.44 ms. Allocated memory was 1.7 GB in the beginning and 2.8 GB in the end (delta: 1.1 GB). Free memory was 1.3 GB in the beginning and 2.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 195.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 21126.41 ms. Allocated memory was 2.8 GB in the beginning and 3.0 GB in the end (delta: 212.3 MB). Free memory was 2.5 GB in the beginning and 2.1 GB in the end (delta: 378.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 211461.36 ms. Allocated memory was 3.0 GB in the beginning and 3.9 GB in the end (delta: 917.0 MB). Free memory was 2.1 GB in the beginning and 2.8 GB in the end (delta: -673.0 MB). Peak memory consumption was 244.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 202]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 202). Cancelled while BasicCegarLoop was constructing difference of abstraction (111373states) and interpolant automaton (currently 6 states, 5 states before enhancement), while ReachableStatesComputation was computing reachable states (70582 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 211.3s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 196.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10275 SDtfs, 45791 SDslu, 3078 SDs, 0 SdLazy, 79475 SolverSat, 23243 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 169.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2089 GetRequests, 2052 SyntacticMatches, 8 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111373occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 8706 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 4897 NumberOfCodeBlocks, 4897 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 4886 ConstructedInterpolants, 0 QuantifiedInterpolants, 13086492 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2437 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 3192/3308 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/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label04_true-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_03-35-48-735.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label04_true-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_03-35-48-735.csv Completed graceful shutdown