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/floats-esbmc-regression/digits_bad_while.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:40:37,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:40:37,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:40:37,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-10 01:40:37,493 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 [2019-09-10 01:40:37,507 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:40:37,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:40:37,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:40:37,508 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:40:37,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:40:37,508 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:40:37,509 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:40:37,509 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:40:37,509 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:40:37,509 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:40:37,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:40:37,510 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:40:37,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:40:37,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:40:37,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:40:37,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:40:37,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:40:37,511 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:40:37,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:40:37,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:40:37,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:40:37,512 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:40:37,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:40:37,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:40:37,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:40:37,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:40:37,513 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:40:37,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:40:37,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:40:37,514 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:40:37,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:40:37,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:40:37,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:40:37,563 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:40:37,563 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:40:37,564 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/digits_bad_while.c [2019-09-10 01:40:37,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4710491/9276a834d93b4979a71d5ab6aa127e0b/FLAG2de8bac73 [2019-09-10 01:40:38,055 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:40:38,056 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/digits_bad_while.c [2019-09-10 01:40:38,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4710491/9276a834d93b4979a71d5ab6aa127e0b/FLAG2de8bac73 [2019-09-10 01:40:38,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4710491/9276a834d93b4979a71d5ab6aa127e0b [2019-09-10 01:40:38,490 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:40:38,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:40:38,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:40:38,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:40:38,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:40:38,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:40:38" (1/1) ... [2019-09-10 01:40:38,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad31ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:40:38, skipping insertion in model container [2019-09-10 01:40:38,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:40:38" (1/1) ... [2019-09-10 01:40:38,509 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:40:38,530 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:40:38,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:40:38,748 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:40:38,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:40:38,867 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:40:38,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:40:38 WrapperNode [2019-09-10 01:40:38,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:40:38,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:40:38,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:40:38,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:40:38,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:40:38" (1/1) ... [2019-09-10 01:40:38,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:40:38" (1/1) ... [2019-09-10 01:40:38,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:40:38" (1/1) ... [2019-09-10 01:40:38,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:40:38" (1/1) ... [2019-09-10 01:40:38,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:40:38" (1/1) ... [2019-09-10 01:40:38,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:40:38" (1/1) ... [2019-09-10 01:40:38,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:40:38" (1/1) ... [2019-09-10 01:40:38,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:40:38,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:40:38,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:40:38,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:40:38,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:40:38" (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 [2019-09-10 01:40:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:40:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:40:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-10 01:40:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:40:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:40:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-10 01:40:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:40:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:40:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:40:39,111 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:40:39,112 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 01:40:39,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:40:39 BoogieIcfgContainer [2019-09-10 01:40:39,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:40:39,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:40:39,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:40:39,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:40:39,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:40:38" (1/3) ... [2019-09-10 01:40:39,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3453ec20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:40:39, skipping insertion in model container [2019-09-10 01:40:39,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:40:38" (2/3) ... [2019-09-10 01:40:39,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3453ec20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:40:39, skipping insertion in model container [2019-09-10 01:40:39,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:40:39" (3/3) ... [2019-09-10 01:40:39,121 INFO L109 eAbstractionObserver]: Analyzing ICFG digits_bad_while.c [2019-09-10 01:40:39,131 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:40:39,139 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 01:40:39,157 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 01:40:39,183 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:40:39,184 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:40:39,184 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:40:39,184 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:40:39,184 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:40:39,184 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:40:39,184 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:40:39,185 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:40:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-09-10 01:40:39,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-10 01:40:39,206 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:40:39,207 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:40:39,209 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:40:39,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:40:39,214 INFO L82 PathProgramCache]: Analyzing trace with hash -14991171, now seen corresponding path program 1 times [2019-09-10 01:40:39,216 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:40:39,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:40:39,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:40:39,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:40:39,257 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:40:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 01:40:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 01:40:39,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 01:40:39,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 01:40:39,357 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 01:40:39,362 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 01:40:39,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 01:40:39,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 01:40:39,386 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2019-09-10 01:40:39,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 01:40:39,443 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2019-09-10 01:40:39,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 01:40:39,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-09-10 01:40:39,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 01:40:39,456 INFO L225 Difference]: With dead ends: 19 [2019-09-10 01:40:39,456 INFO L226 Difference]: Without dead ends: 12 [2019-09-10 01:40:39,458 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 01:40:39,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-09-10 01:40:39,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-09-10 01:40:39,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-09-10 01:40:39,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-09-10 01:40:39,500 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2019-09-10 01:40:39,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 01:40:39,501 INFO L475 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-09-10 01:40:39,501 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 01:40:39,501 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-09-10 01:40:39,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-09-10 01:40:39,502 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:40:39,502 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:40:39,502 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:40:39,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:40:39,503 INFO L82 PathProgramCache]: Analyzing trace with hash -429188558, now seen corresponding path program 1 times [2019-09-10 01:40:39,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:40:39,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:40:39,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:40:39,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:40:39,505 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:40:39,510 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-10 01:40:39,510 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-10 01:40:39,510 INFO L170 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-10 01:40:39,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:40:39,529 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2019-09-10 01:40:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 01:40:39,555 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 12 with the following transitions: [2019-09-10 01:40:39,557 INFO L207 CegarAbsIntRunner]: [0], [4], [11], [13], [20], [23], [25], [31], [32], [33], [35] [2019-09-10 01:40:39,580 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result. at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:453) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result. at java.math.BigDecimal.divide(BigDecimal.java:1693) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.util.AbsIntUtil.sanitizeBigDecimalValue(AbsIntUtil.java:483) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.rcfg.RCFGLiteralCollector$StatementLiteralCollector.visit(RCFGLiteralCollector.java:202) at de.uni_freiburg.informatik.ultimate.boogie.BoogieVisitor.processExpression(BoogieVisitor.java:376) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processExpressions(BoogieTransformer.java:674) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processStatement(BoogieTransformer.java:373) at de.uni_freiburg.informatik.ultimate.boogie.BoogieVisitor.processStatement(BoogieVisitor.java:213) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.rcfg.RCFGLiteralCollector$StatementLiteralCollector.processStatement(RCFGLiteralCollector.java:162) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.rcfg.RCFGLiteralCollector.visit(RCFGLiteralCollector.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.RCFGEdgeVisitor.visit(RCFGEdgeVisitor.java:96) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.RCFGEdgeVisitor.visit(RCFGEdgeVisitor.java:52) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.rcfg.RCFGLiteralCollector.process(RCFGLiteralCollector.java:106) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.rcfg.RCFGLiteralCollector.(RCFGLiteralCollector.java:79) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.lambda$1(AbstractInterpreter.java:142) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.initializer.FixpointEngineParameterFactory.getFlatDomainOrNull(FixpointEngineParameterFactory.java:193) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.initializer.FixpointEngineParameterFactory.selectDomain(FixpointEngineParameterFactory.java:142) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.initializer.FixpointEngineParameterFactory.createParams(FixpointEngineParameterFactory.java:123) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more [2019-09-10 01:40:39,589 INFO L168 Benchmark]: Toolchain (without parser) took 1094.77 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 88.9 MB in the beginning and 140.5 MB in the end (delta: -51.7 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-09-10 01:40:39,590 INFO L168 Benchmark]: CDTParser took 0.93 ms. Allocated memory is still 134.2 MB. Free memory was 107.6 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 01:40:39,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.07 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 88.7 MB in the beginning and 178.9 MB in the end (delta: -90.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-09-10 01:40:39,594 INFO L168 Benchmark]: Boogie Preprocessor took 30.81 ms. Allocated memory is still 201.3 MB. Free memory was 178.9 MB in the beginning and 177.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-09-10 01:40:39,595 INFO L168 Benchmark]: RCFGBuilder took 213.49 ms. Allocated memory is still 201.3 MB. Free memory was 177.2 MB in the beginning and 166.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-10 01:40:39,597 INFO L168 Benchmark]: TraceAbstraction took 470.09 ms. Allocated memory is still 201.3 MB. Free memory was 165.5 MB in the beginning and 140.5 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-09-10 01:40:39,609 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93 ms. Allocated memory is still 134.2 MB. Free memory was 107.6 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 376.07 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 88.7 MB in the beginning and 178.9 MB in the end (delta: -90.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.81 ms. Allocated memory is still 201.3 MB. Free memory was 178.9 MB in the beginning and 177.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 213.49 ms. Allocated memory is still 201.3 MB. Free memory was 177.2 MB in the beginning and 166.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 470.09 ms. Allocated memory is still 201.3 MB. Free memory was 165.5 MB in the beginning and 140.5 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result.: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...