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/array-multidimensional/init-4-n-u.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 16:30:21,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 16:30:21,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 16:30:21,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 16:30:21,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 16:30:21,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 16:30:21,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 16:30:21,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 16:30:21,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 16:30:21,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 16:30:21,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 16:30:21,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 16:30:21,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 16:30:21,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 16:30:21,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 16:30:21,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 16:30:21,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 16:30:21,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 16:30:21,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 16:30:21,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 16:30:21,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 16:30:21,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 16:30:21,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 16:30:21,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 16:30:21,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-02 16:30:21,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 16:30:21,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 16:30:21,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 16:30:21,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 16:30:21,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 16:30:21,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 16:30:21,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 16:30:21,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 16:30:21,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 16:30:21,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 16:30:21,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 16:30:21,553 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 [2019-10-02 16:30:21,578 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 16:30:21,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 16:30:21,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-02 16:30:21,579 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-02 16:30:21,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-02 16:30:21,580 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-02 16:30:21,580 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-02 16:30:21,580 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-02 16:30:21,581 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-02 16:30:21,581 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-02 16:30:21,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 16:30:21,582 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 16:30:21,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 16:30:21,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 16:30:21,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 16:30:21,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 16:30:21,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 16:30:21,583 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 16:30:21,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 16:30:21,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 16:30:21,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 16:30:21,584 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-02 16:30:21,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 16:30:21,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 16:30:21,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 16:30:21,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 16:30:21,585 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-02 16:30:21,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 16:30:21,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 16:30:21,585 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-02 16:30:21,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 16:30:21,630 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 16:30:21,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 16:30:21,635 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 16:30:21,635 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 16:30:21,636 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-multidimensional/init-4-n-u.c [2019-10-02 16:30:21,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcfc2f4e7/e1b6e6df2ba040a3b062c034ba807f81/FLAGdbe898a49 [2019-10-02 16:30:22,174 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 16:30:22,175 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-multidimensional/init-4-n-u.c [2019-10-02 16:30:22,183 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcfc2f4e7/e1b6e6df2ba040a3b062c034ba807f81/FLAGdbe898a49 [2019-10-02 16:30:22,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcfc2f4e7/e1b6e6df2ba040a3b062c034ba807f81 [2019-10-02 16:30:22,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 16:30:22,568 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 16:30:22,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 16:30:22,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 16:30:22,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 16:30:22,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 04:30:22" (1/1) ... [2019-10-02 16:30:22,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2e6592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:30:22, skipping insertion in model container [2019-10-02 16:30:22,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 04:30:22" (1/1) ... [2019-10-02 16:30:22,584 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 16:30:22,602 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 16:30:22,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 16:30:22,817 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 16:30:22,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 16:30:23,014 INFO L192 MainTranslator]: Completed translation [2019-10-02 16:30:23,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:30:23 WrapperNode [2019-10-02 16:30:23,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 16:30:23,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 16:30:23,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 16:30:23,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 16:30:23,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:30:23" (1/1) ... [2019-10-02 16:30:23,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:30:23" (1/1) ... [2019-10-02 16:30:23,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:30:23" (1/1) ... [2019-10-02 16:30:23,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:30:23" (1/1) ... [2019-10-02 16:30:23,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:30:23" (1/1) ... [2019-10-02 16:30:23,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:30:23" (1/1) ... [2019-10-02 16:30:23,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:30:23" (1/1) ... [2019-10-02 16:30:23,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 16:30:23,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 16:30:23,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 16:30:23,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 16:30:23,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:30:23" (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 [2019-10-02 16:30:23,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 16:30:23,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 16:30:23,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-02 16:30:23,136 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 16:30:23,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 16:30:23,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-02 16:30:23,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 16:30:23,136 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 16:30:23,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 16:30:23,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 16:30:23,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 16:30:23,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 16:30:23,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 16:30:23,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 16:30:23,491 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 16:30:23,492 INFO L283 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-02 16:30:23,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 04:30:23 BoogieIcfgContainer [2019-10-02 16:30:23,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 16:30:23,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 16:30:23,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 16:30:23,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 16:30:23,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 04:30:22" (1/3) ... [2019-10-02 16:30:23,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ea15f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 04:30:23, skipping insertion in model container [2019-10-02 16:30:23,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:30:23" (2/3) ... [2019-10-02 16:30:23,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ea15f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 04:30:23, skipping insertion in model container [2019-10-02 16:30:23,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 04:30:23" (3/3) ... [2019-10-02 16:30:23,502 INFO L109 eAbstractionObserver]: Analyzing ICFG init-4-n-u.c [2019-10-02 16:30:23,514 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 16:30:23,522 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 16:30:23,554 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 16:30:23,619 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 16:30:23,619 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-02 16:30:23,619 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 16:30:23,619 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 16:30:23,620 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 16:30:23,620 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 16:30:23,620 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 16:30:23,620 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 16:30:23,634 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2019-10-02 16:30:23,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-02 16:30:23,645 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 16:30:23,646 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 16:30:23,648 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 16:30:23,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 16:30:23,654 INFO L82 PathProgramCache]: Analyzing trace with hash -129587761, now seen corresponding path program 1 times [2019-10-02 16:30:23,656 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 16:30:23,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 16:30:23,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 16:30:23,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 16:30:23,712 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 16:30:23,753 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-10-02 16:30:23,753 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-10-02 16:30:23,754 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 [2019-10-02 16:30:23,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 16:30:23,777 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2019-10-02 16:30:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 16:30:23,801 INFO L195 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2019-10-02 16:30:23,803 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-10-02 16:30:23,804 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 16:30:23,804 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 16:30:23,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 16:30:23,836 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-10-02 16:30:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 16:30:23,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-02 16:30:23,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 16:30:23,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 16:30:23,908 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-02 16:30:23,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 16:30:23,941 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-02 16:30:23,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-02 16:30:23,942 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 16:30:23,947 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 16:30:23,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 16:30:23,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 16:30:23,966 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2019-10-02 16:30:23,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 16:30:23,986 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2019-10-02 16:30:23,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 16:30:23,988 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-02 16:30:23,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 16:30:23,999 INFO L225 Difference]: With dead ends: 34 [2019-10-02 16:30:23,999 INFO L226 Difference]: Without dead ends: 29 [2019-10-02 16:30:24,001 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 16:30:24,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-10-02 16:30:24,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-10-02 16:30:24,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-10-02 16:30:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2019-10-02 16:30:24,043 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 16 [2019-10-02 16:30:24,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 16:30:24,044 INFO L475 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2019-10-02 16:30:24,044 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 16:30:24,044 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2019-10-02 16:30:24,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-02 16:30:24,045 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 16:30:24,045 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 16:30:24,046 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 16:30:24,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 16:30:24,046 INFO L82 PathProgramCache]: Analyzing trace with hash -269441638, now seen corresponding path program 1 times [2019-10-02 16:30:24,046 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 16:30:24,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 16:30:24,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 16:30:24,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 16:30:24,049 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 16:30:24,058 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-10-02 16:30:24,058 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-10-02 16:30:24,058 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-02 16:30:24,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 16:30:24,091 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2019-10-02 16:30:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 16:30:24,112 INFO L195 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2019-10-02 16:30:24,112 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-10-02 16:30:24,112 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 16:30:24,112 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 16:30:24,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 16:30:24,144 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-10-02 16:30:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 16:30:24,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 16:30:24,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 16:30:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 16:30:24,224 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-02 16:30:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 16:30:24,257 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-02 16:30:24,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-02 16:30:24,258 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 16:30:24,259 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 16:30:24,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 16:30:24,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 16:30:24,260 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand 3 states. [2019-10-02 16:30:24,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 16:30:24,293 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions. [2019-10-02 16:30:24,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 16:30:24,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-10-02 16:30:24,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 16:30:24,295 INFO L225 Difference]: With dead ends: 36 [2019-10-02 16:30:24,295 INFO L226 Difference]: Without dead ends: 36 [2019-10-02 16:30:24,296 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 16:30:24,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-10-02 16:30:24,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2019-10-02 16:30:24,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-02 16:30:24,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2019-10-02 16:30:24,302 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 16 [2019-10-02 16:30:24,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 16:30:24,303 INFO L475 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2019-10-02 16:30:24,303 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 16:30:24,303 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2019-10-02 16:30:24,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-02 16:30:24,304 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 16:30:24,304 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 16:30:24,304 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 16:30:24,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 16:30:24,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1901462552, now seen corresponding path program 1 times [2019-10-02 16:30:24,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 16:30:24,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 16:30:24,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 16:30:24,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 16:30:24,312 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 16:30:24,319 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-10-02 16:30:24,320 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-10-02 16:30:24,320 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2019-10-02 16:30:24,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 16:30:24,350 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-02 16:30:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 16:30:24,378 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2019-10-02 16:30:24,380 INFO L207 CegarAbsIntRunner]: [0], [1], [5], [12], [14], [21], [53], [57], [66], [75], [84], [93], [113], [116], [118], [124], [125], [126], [128] [2019-10-02 16:30:24,419 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-02 16:30:24,419 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-02 16:30:24,478 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-02 16:30:24,479 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 19 root evaluator evaluations with a maximum evaluation depth of 0. Performed 19 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 25 variables. [2019-10-02 16:30:24,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 16:30:24,483 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-02 16:30:24,517 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-10-02 16:30:24,518 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-02 16:30:24,519 INFO L420 sIntCurrentIteration]: We unified 18 AI predicates to 18 [2019-10-02 16:30:24,520 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-02 16:30:24,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 16:30:24,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-02 16:30:24,521 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 16:30:24,521 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 16:30:24,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 16:30:24,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 16:30:24,522 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 2 states. [2019-10-02 16:30:24,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 16:30:24,523 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2019-10-02 16:30:24,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 16:30:24,523 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-10-02 16:30:24,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 16:30:24,524 INFO L225 Difference]: With dead ends: 6 [2019-10-02 16:30:24,524 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 16:30:24,525 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 16:30:24,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 16:30:24,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 16:30:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 16:30:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 16:30:24,526 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2019-10-02 16:30:24,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 16:30:24,526 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 16:30:24,526 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 16:30:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 16:30:24,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 16:30:24,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 04:30:24 BoogieIcfgContainer [2019-10-02 16:30:24,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 16:30:24,535 INFO L168 Benchmark]: Toolchain (without parser) took 1965.79 ms. Allocated memory was 131.6 MB in the beginning and 200.8 MB in the end (delta: 69.2 MB). Free memory was 87.0 MB in the beginning and 85.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 70.3 MB. Max. memory is 7.1 GB. [2019-10-02 16:30:24,536 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 131.6 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 16:30:24,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.78 ms. Allocated memory was 131.6 MB in the beginning and 200.8 MB in the end (delta: 69.2 MB). Free memory was 86.8 MB in the beginning and 176.8 MB in the end (delta: -90.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-10-02 16:30:24,539 INFO L168 Benchmark]: Boogie Preprocessor took 46.29 ms. Allocated memory is still 200.8 MB. Free memory was 176.8 MB in the beginning and 174.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-10-02 16:30:24,540 INFO L168 Benchmark]: RCFGBuilder took 431.34 ms. Allocated memory is still 200.8 MB. Free memory was 174.9 MB in the beginning and 158.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-10-02 16:30:24,540 INFO L168 Benchmark]: TraceAbstraction took 1037.59 ms. Allocated memory is still 200.8 MB. Free memory was 157.5 MB in the beginning and 85.9 MB in the end (delta: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 7.1 GB. [2019-10-02 16:30:24,544 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 131.6 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 445.78 ms. Allocated memory was 131.6 MB in the beginning and 200.8 MB in the end (delta: 69.2 MB). Free memory was 86.8 MB in the beginning and 176.8 MB in the end (delta: -90.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.29 ms. Allocated memory is still 200.8 MB. Free memory was 176.8 MB in the beginning and 174.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 431.34 ms. Allocated memory is still 200.8 MB. Free memory was 174.9 MB in the beginning and 158.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1037.59 ms. Allocated memory is still 200.8 MB. Free memory was 157.5 MB in the beginning and 85.9 MB in the end (delta: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 34 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 79 SDtfs, 9 SDslu, 27 SDs, 0 SdLazy, 11 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.8472222222222222 AbsIntWeakeningRatio, 1.6111111111111112 AbsIntAvgWeakeningVarsNumRemoved, 0.3333333333333333 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 1020 SizeOfPredicates, 2 NumberOfNonLiveVariables, 182 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...