java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./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/underapprox2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:19:47,699 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:19:47,701 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:19:47,712 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:19:47,713 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:19:47,714 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:19:47,723 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:19:47,726 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:19:47,728 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:19:47,729 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:19:47,730 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:19:47,730 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:19:47,731 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:19:47,732 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:19:47,733 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:19:47,734 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:19:47,735 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:19:47,737 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:19:47,739 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:19:47,740 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:19:47,741 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:19:47,742 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:19:47,745 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:19:47,745 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:19:47,745 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:19:47,746 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:19:47,747 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:19:47,748 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:19:47,749 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:19:47,750 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:19:47,750 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:19:47,751 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:19:47,751 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:19:47,752 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:19:47,753 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:19:47,753 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:19:47,754 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 14:19:47,762 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:19:47,762 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:19:47,763 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:19:47,763 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:19:47,764 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 14:19:47,764 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:19:47,764 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:19:47,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:19:47,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:19:47,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:19:47,832 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:19:47,832 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:19:47,833 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/underapprox2.i_3.bpl [2018-07-25 14:19:47,833 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/underapprox2.i_3.bpl' [2018-07-25 14:19:47,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:19:47,874 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:19:47,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:19:47,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:19:47,876 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:19:47,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:19:47" (1/1) ... [2018-07-25 14:19:47,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:19:47" (1/1) ... [2018-07-25 14:19:47,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:19:47,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:19:47,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:19:47,926 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:19:47,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:19:47" (1/1) ... [2018-07-25 14:19:47,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:19:47" (1/1) ... [2018-07-25 14:19:47,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:19:47" (1/1) ... [2018-07-25 14:19:47,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:19:47" (1/1) ... [2018-07-25 14:19:47,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:19:47" (1/1) ... [2018-07-25 14:19:47,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:19:47" (1/1) ... [2018-07-25 14:19:47,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:19:47" (1/1) ... [2018-07-25 14:19:47,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:19:47,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:19:47,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:19:47,946 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:19:47,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:19:47" (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 [2018-07-25 14:19:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:19:48,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:19:48,304 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:19:48,307 INFO L202 PluginConnector]: Adding new model underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:19:48 BoogieIcfgContainer [2018-07-25 14:19:48,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:19:48,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:19:48,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:19:48,314 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:19:48,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:19:47" (1/2) ... [2018-07-25 14:19:48,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e7c578 and model type underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:19:48, skipping insertion in model container [2018-07-25 14:19:48,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:19:48" (2/2) ... [2018-07-25 14:19:48,318 INFO L112 eAbstractionObserver]: Analyzing ICFG underapprox2.i_3.bpl [2018-07-25 14:19:48,328 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:19:48,341 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:19:48,393 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:19:48,394 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:19:48,394 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:19:48,394 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:19:48,394 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:19:48,395 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:19:48,395 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:19:48,395 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:19:48,395 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:19:48,413 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 14:19:48,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:19:48,421 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:19:48,422 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:19:48,423 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:19:48,429 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, 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 [2018-07-25 14:19:48,453 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:19:48,715 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:19:48,715 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 14:19:48,719 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 14:19:48,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 14:19:48,725 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 14:19:48,727 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 14:19:48,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:19:48,770 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 14:19:48,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 14:19:48,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 14:19:48,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:19:48,783 INFO L225 Difference]: With dead ends: 10 [2018-07-25 14:19:48,783 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 14:19:48,786 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 14:19:48,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 14:19:48,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 14:19:48,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 14:19:48,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 14:19:48,821 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 14:19:48,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:19:48,821 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 14:19:48,821 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 14:19:48,822 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 14:19:48,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:19:48,822 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:19:48,822 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 14:19:48,823 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:19:48,823 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, 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 [2018-07-25 14:19:48,836 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:19:50,289 WARN L169 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-07-25 14:19:51,269 INFO L420 BasicCegarLoop]: Counterexample might be feasible [2018-07-25 14:19:51,284 INFO L202 PluginConnector]: Adding new model underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:19:51 BoogieIcfgContainer [2018-07-25 14:19:51,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:19:51,285 INFO L168 Benchmark]: Toolchain (without parser) took 3411.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 171.8 MB). Peak memory consumption was 171.8 MB. Max. memory is 7.1 GB. [2018-07-25 14:19:51,286 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 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. [2018-07-25 14:19:51,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.28 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. [2018-07-25 14:19:51,288 INFO L168 Benchmark]: Boogie Preprocessor took 19.63 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. [2018-07-25 14:19:51,288 INFO L168 Benchmark]: RCFGBuilder took 362.72 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. [2018-07-25 14:19:51,290 INFO L168 Benchmark]: TraceAbstraction took 2974.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 150.7 MB). Peak memory consumption was 150.7 MB. Max. memory is 7.1 GB. [2018-07-25 14:19:51,295 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 0.13 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 49.28 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 19.63 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 362.72 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 2974.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 150.7 MB). Peak memory consumption was 150.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 36]: assertion can be violated assertion can be violated We found a FailurePath: [L10] havoc main_#res; [L11] havoc main_#t~post0, main_~x~4, main_~y~4; [L12] main_~x~4 := 0; [L13] main_~y~4 := 1; [L16] assume true; [L29] assume !!(main_~x~4 % 4294967296 < 6); [L30] main_#t~post0 := main_~x~4; [L31] main_~x~4 := main_#t~post0 + 1; [L32] havoc main_#t~post0; [L33] main_~y~4 := main_~y~4 * 2; [L16] assume true; [L21] assume !(main_~x~4 % 4294967296 < 6); [L22] __VERIFIER_assert_#in~cond := (if main_~x~4 % 4294967296 != 6 then 1 else 0); [L23] havoc __VERIFIER_assert_~cond; [L24] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L25] assume __VERIFIER_assert_~cond == 0; [L26] assume !false; [L36] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. UNSAFE Result, 2.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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: 2.6s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/underapprox2.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-19-51-309.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/underapprox2.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-19-51-309.csv Received shutdown request...