java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loops/terminator_02-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 12:46:06,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 12:46:06,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 12:46:06,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-05 12:46:06,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 12:46:06,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 12:46:06,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 12:46:06,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-05 12:46:06,317 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 12:46:06,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 12:46:06,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 12:46:06,318 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 12:46:06,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 12:46:06,319 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 12:46:06,319 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 12:46:06,320 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 12:46:06,320 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 12:46:06,320 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 12:46:06,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 12:46:06,321 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 12:46:06,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 12:46:06,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 12:46:06,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 12:46:06,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 12:46:06,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 12:46:06,322 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 12:46:06,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 12:46:06,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 12:46:06,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 12:46:06,323 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 12:46:06,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 12:46:06,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 12:46:06,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 12:46:06,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 12:46:06,324 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 12:46:06,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 12:46:06,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 12:46:06,325 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 12:46:06,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 12:46:06,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 12:46:06,367 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 12:46:06,369 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 12:46:06,369 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 12:46:06,370 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02-1.c [2019-09-05 12:46:06,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed7357589/6fffdc7bc1824f5f8c530abee9be8162/FLAGf4dababc1 [2019-09-05 12:46:06,809 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 12:46:06,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-1.c [2019-09-05 12:46:06,816 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed7357589/6fffdc7bc1824f5f8c530abee9be8162/FLAGf4dababc1 [2019-09-05 12:46:07,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed7357589/6fffdc7bc1824f5f8c530abee9be8162 [2019-09-05 12:46:07,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 12:46:07,225 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 12:46:07,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 12:46:07,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 12:46:07,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 12:46:07,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 12:46:07" (1/1) ... [2019-09-05 12:46:07,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779b0c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:46:07, skipping insertion in model container [2019-09-05 12:46:07,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 12:46:07" (1/1) ... [2019-09-05 12:46:07,245 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 12:46:07,265 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 12:46:07,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 12:46:07,475 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 12:46:07,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 12:46:07,510 INFO L192 MainTranslator]: Completed translation [2019-09-05 12:46:07,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:46:07 WrapperNode [2019-09-05 12:46:07,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 12:46:07,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 12:46:07,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 12:46:07,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 12:46:07,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:46:07" (1/1) ... [2019-09-05 12:46:07,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:46:07" (1/1) ... [2019-09-05 12:46:07,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:46:07" (1/1) ... [2019-09-05 12:46:07,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:46:07" (1/1) ... [2019-09-05 12:46:07,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:46:07" (1/1) ... [2019-09-05 12:46:07,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:46:07" (1/1) ... [2019-09-05 12:46:07,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:46:07" (1/1) ... [2019-09-05 12:46:07,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 12:46:07,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 12:46:07,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 12:46:07,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 12:46:07,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:46:07" (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 [2019-09-05 12:46:07,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 12:46:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 12:46:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 12:46:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 12:46:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 12:46:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 12:46:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 12:46:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-05 12:46:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 12:46:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 12:46:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 12:46:07,857 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 12:46:07,857 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 12:46:07,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 12:46:07 BoogieIcfgContainer [2019-09-05 12:46:07,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 12:46:07,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-05 12:46:07,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-05 12:46:07,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-05 12:46:07,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.09 12:46:07" (1/3) ... [2019-09-05 12:46:07,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fc882d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.09 12:46:07, skipping insertion in model container [2019-09-05 12:46:07,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:46:07" (2/3) ... [2019-09-05 12:46:07,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fc882d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.09 12:46:07, skipping insertion in model container [2019-09-05 12:46:07,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 12:46:07" (3/3) ... [2019-09-05 12:46:07,868 INFO L109 eAbstractionObserver]: Analyzing ICFG terminator_02-1.c [2019-09-05 12:46:07,878 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-05 12:46:07,886 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-05 12:46:07,904 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-05 12:46:07,931 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-05 12:46:07,931 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-05 12:46:07,931 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-05 12:46:07,931 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-05 12:46:07,931 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-05 12:46:07,932 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-05 12:46:07,932 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-05 12:46:07,932 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-05 12:46:07,945 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-09-05 12:46:07,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-05 12:46:07,952 INFO L391 BasicCegarLoop]: Found error trace [2019-09-05 12:46:07,953 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-05 12:46:07,956 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-05 12:46:07,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-05 12:46:07,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1712329921, now seen corresponding path program 1 times [2019-09-05 12:46:07,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-05 12:46:08,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-05 12:46:08,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-05 12:46:08,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-05 12:46:08,008 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-05 12:46:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-05 12:46:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-05 12:46:08,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-05 12:46:08,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-05 12:46:08,065 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-05 12:46:08,069 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-05 12:46:08,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-05 12:46:08,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-05 12:46:08,081 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-09-05 12:46:08,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-05 12:46:08,093 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-09-05 12:46:08,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-05 12:46:08,095 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-09-05 12:46:08,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-05 12:46:08,101 INFO L225 Difference]: With dead ends: 19 [2019-09-05 12:46:08,102 INFO L226 Difference]: Without dead ends: 12 [2019-09-05 12:46:08,103 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-05 12:46:08,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-09-05 12:46:08,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-09-05 12:46:08,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-09-05 12:46:08,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2019-09-05 12:46:08,129 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2019-09-05 12:46:08,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-05 12:46:08,129 INFO L475 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2019-09-05 12:46:08,130 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-05 12:46:08,130 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-09-05 12:46:08,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-05 12:46:08,130 INFO L391 BasicCegarLoop]: Found error trace [2019-09-05 12:46:08,131 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-05 12:46:08,131 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-05 12:46:08,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-05 12:46:08,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1703094711, now seen corresponding path program 1 times [2019-09-05 12:46:08,132 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-05 12:46:08,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-05 12:46:08,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-05 12:46:08,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-05 12:46:08,133 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-05 12:46:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-05 12:46:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-05 12:46:08,174 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-05 12:46:08,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.09 12:46:08 BoogieIcfgContainer [2019-09-05 12:46:08,194 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-05 12:46:08,197 INFO L168 Benchmark]: Toolchain (without parser) took 970.29 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 88.9 MB in the beginning and 145.0 MB in the end (delta: -56.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-09-05 12:46:08,198 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 12:46:08,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.45 ms. Allocated memory is still 138.4 MB. Free memory was 88.7 MB in the beginning and 79.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-05 12:46:08,200 INFO L168 Benchmark]: Boogie Preprocessor took 121.56 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 79.5 MB in the beginning and 177.4 MB in the end (delta: -97.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-09-05 12:46:08,201 INFO L168 Benchmark]: RCFGBuilder took 225.16 ms. Allocated memory is still 199.8 MB. Free memory was 177.4 MB in the beginning and 165.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-05 12:46:08,201 INFO L168 Benchmark]: TraceAbstraction took 334.75 ms. Allocated memory is still 199.8 MB. Free memory was 165.2 MB in the beginning and 145.0 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-09-05 12:46:08,205 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 282.45 ms. Allocated memory is still 138.4 MB. Free memory was 88.7 MB in the beginning and 79.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.56 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 79.5 MB in the beginning and 177.4 MB in the end (delta: -97.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 225.16 ms. Allocated memory is still 199.8 MB. Free memory was 177.4 MB in the beginning and 165.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 334.75 ms. Allocated memory is still 199.8 MB. Free memory was 165.2 MB in the beginning and 145.0 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int x=__VERIFIER_nondet_int(); [L15] int y=__VERIFIER_nondet_int(); [L16] int z=__VERIFIER_nondet_int(); [L18] COND FALSE !(x<100 && 100