java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:49:22,533 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:49:22,535 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:49:22,547 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:49:22,548 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:49:22,549 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:49:22,550 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:49:22,553 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:49:22,555 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:49:22,556 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:49:22,557 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:49:22,558 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:49:22,559 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:49:22,560 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:49:22,561 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:49:22,562 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:49:22,563 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:49:22,564 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:49:22,566 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:49:22,568 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:49:22,569 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:49:22,570 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:49:22,573 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:49:22,573 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:49:22,573 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:49:22,574 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:49:22,575 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:49:22,576 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:49:22,577 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:49:22,578 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:49:22,578 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:49:22,579 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:49:22,579 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:49:22,580 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:49:22,581 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:49:22,583 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:49:22,584 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 08:49:22,597 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:49:22,598 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:49:22,599 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:49:22,599 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:49:22,599 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:49:22,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:49:22,600 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:49:22,645 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:49:22,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:49:22,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:49:22,670 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:49:22,670 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:49:22,671 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl [2018-09-26 08:49:22,671 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl' [2018-09-26 08:49:22,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:49:22,754 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:49:22,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:49:22,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:49:22,755 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:49:22,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:22" (1/1) ... [2018-09-26 08:49:22,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:22" (1/1) ... [2018-09-26 08:49:22,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:49:22,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:49:22,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:49:22,799 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:49:22,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:22" (1/1) ... [2018-09-26 08:49:22,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:22" (1/1) ... [2018-09-26 08:49:22,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:22" (1/1) ... [2018-09-26 08:49:22,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:22" (1/1) ... [2018-09-26 08:49:22,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:22" (1/1) ... [2018-09-26 08:49:22,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:22" (1/1) ... [2018-09-26 08:49:22,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:22" (1/1) ... [2018-09-26 08:49:22,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:49:22,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:49:22,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:49:22,825 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:49:22,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:22" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-09-26 08:49:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:49:22,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:49:23,231 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:49:23,232 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:49:23 BoogieIcfgContainer [2018-09-26 08:49:23,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:49:23,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:49:23,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:49:23,237 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:49:23,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:22" (1/2) ... [2018-09-26 08:49:23,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381fad7a and model type fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:49:23, skipping insertion in model container [2018-09-26 08:49:23,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:49:23" (2/2) ... [2018-09-26 08:49:23,241 INFO L112 eAbstractionObserver]: Analyzing ICFG fragtest_simple.i_4.bpl [2018-09-26 08:49:23,252 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:49:23,262 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:49:23,311 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:49:23,312 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:49:23,312 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:49:23,312 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:49:23,313 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:49:23,313 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:49:23,313 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:49:23,313 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:49:23,313 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:49:23,332 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-09-26 08:49:23,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:49:23,343 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:49:23,344 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 08:49:23,352 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:49:23,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:49:23,360 INFO L82 PathProgramCache]: Analyzing trace with hash 889599113, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:49:23,380 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:49:24,026 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:49:24,026 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-26 08:49:24,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-26 08:49:24,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-26 08:49:24,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-26 08:49:24,041 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 6 states. [2018-09-26 08:49:24,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:49:24,281 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2018-09-26 08:49:24,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-26 08:49:24,288 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-09-26 08:49:24,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:49:24,301 INFO L225 Difference]: With dead ends: 12 [2018-09-26 08:49:24,301 INFO L226 Difference]: Without dead ends: 9 [2018-09-26 08:49:24,304 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-26 08:49:24,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-09-26 08:49:24,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-09-26 08:49:24,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-09-26 08:49:24,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-09-26 08:49:24,339 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2018-09-26 08:49:24,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:49:24,339 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-09-26 08:49:24,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-26 08:49:24,339 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-26 08:49:24,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 08:49:24,340 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:49:24,340 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-09-26 08:49:24,341 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:49:24,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:49:24,341 INFO L82 PathProgramCache]: Analyzing trace with hash 206308035, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:49:24,349 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:49:43,563 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-09-26 08:49:59,147 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2018-09-26 08:50:09,651 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2018-09-26 08:50:24,114 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2018-09-26 08:50:41,021 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-09-26 08:51:04,485 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2018-09-26 08:51:31,696 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2018-09-26 08:51:32,150 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2018-09-26 08:52:06,015 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-09-26 08:52:06,822 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2018-09-26 08:52:47,144 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2018-09-26 08:52:47,651 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2018-09-26 08:53:36,625 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-09-26 08:53:37,560 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 Received shutdown request... [2018-09-26 08:53:55,037 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:53:55,038 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 08:53:55,043 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 08:53:55,043 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:53:55 BoogieIcfgContainer [2018-09-26 08:53:55,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:53:55,044 INFO L168 Benchmark]: Toolchain (without parser) took 272296.22 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -180.4 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 337.2 MB). Peak memory consumption was 156.9 MB. Max. memory is 7.1 GB. [2018-09-26 08:53:55,046 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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. [2018-09-26 08:53:55,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.33 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. [2018-09-26 08:53:55,047 INFO L168 Benchmark]: Boogie Preprocessor took 25.53 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. [2018-09-26 08:53:55,048 INFO L168 Benchmark]: RCFGBuilder took 407.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 08:53:55,049 INFO L168 Benchmark]: TraceAbstraction took 271810.05 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -180.4 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 316.1 MB). Peak memory consumption was 135.7 MB. Max. memory is 7.1 GB. [2018-09-26 08:53:55,053 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18 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. * Boogie Procedure Inliner took 43.33 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. * Boogie Preprocessor took 25.53 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. * RCFGBuilder took 407.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 271810.05 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -180.4 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 316.1 MB). Peak memory consumption was 135.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 75). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 124 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 271.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 3 SDslu, 10 SDs, 0 SdLazy, 12 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=1, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.5s PdrRuntime, 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/fragtest_simple.i_4.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-53-55-067.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/fragtest_simple.i_4.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-53-55-067.csv Completed graceful shutdown