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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/loops/sum_array-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:06:16,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:06:16,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:06:16,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:06:16,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:06:16,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:06:16,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:06:16,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:06:16,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:06:16,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:06:16,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:06:16,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:06:16,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:06:16,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:06:16,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:06:16,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:06:16,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:06:16,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:06:16,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:06:16,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:06:16,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:06:16,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:06:16,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:06:16,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:06:16,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 01:06:16,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:06:16,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:06:16,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:06:16,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:06:16,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:06:16,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:06:16,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:06:16,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:06:16,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:06:16,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:06:16,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:06:16,533 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:06:16,567 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:06:16,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:06:16,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:06:16,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:06:16,569 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:06:16,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:06:16,569 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:06:16,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:06:16,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:06:16,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:06:16,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:06:16,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:06:16,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:06:16,571 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:06:16,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:06:16,571 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:06:16,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:06:16,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:06:16,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:06:16,572 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:06:16,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:06:16,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:06:16,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:06:16,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:06:16,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:06:16,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:06:16,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:06:16,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:06:16,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:06:16,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:06:16,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:06:16,901 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:06:16,902 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:06:16,903 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:06:16,904 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum_array-2.i [2019-10-15 01:06:16,978 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fbea1144/1fc6e8fc0d494b1d86aa5de19c52f509/FLAG7d3efd4f2 [2019-10-15 01:06:17,422 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:06:17,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum_array-2.i [2019-10-15 01:06:17,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fbea1144/1fc6e8fc0d494b1d86aa5de19c52f509/FLAG7d3efd4f2 [2019-10-15 01:06:17,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fbea1144/1fc6e8fc0d494b1d86aa5de19c52f509 [2019-10-15 01:06:17,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:06:17,805 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:06:17,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:06:17,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:06:17,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:06:17,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:06:17" (1/1) ... [2019-10-15 01:06:17,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb7c29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:06:17, skipping insertion in model container [2019-10-15 01:06:17,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:06:17" (1/1) ... [2019-10-15 01:06:17,822 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:06:17,839 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:06:18,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:06:18,049 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:06:18,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:06:18,178 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:06:18,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:06:18 WrapperNode [2019-10-15 01:06:18,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:06:18,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:06:18,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:06:18,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:06:18,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:06:18" (1/1) ... [2019-10-15 01:06:18,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:06:18" (1/1) ... [2019-10-15 01:06:18,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:06:18" (1/1) ... [2019-10-15 01:06:18,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:06:18" (1/1) ... [2019-10-15 01:06:18,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:06:18" (1/1) ... [2019-10-15 01:06:18,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:06:18" (1/1) ... [2019-10-15 01:06:18,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:06:18" (1/1) ... [2019-10-15 01:06:18,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:06:18,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:06:18,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:06:18,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:06:18,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:06:18" (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 [2019-10-15 01:06:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:06:18,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:06:18,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 01:06:18,278 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:06:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:06:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 01:06:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:06:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 01:06:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 01:06:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:06:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:06:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:06:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:06:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:06:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:06:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:06:18,601 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:06:18,601 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 01:06:18,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:06:18 BoogieIcfgContainer [2019-10-15 01:06:18,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:06:18,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:06:18,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:06:18,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:06:18,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:06:17" (1/3) ... [2019-10-15 01:06:18,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ca4baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:06:18, skipping insertion in model container [2019-10-15 01:06:18,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:06:18" (2/3) ... [2019-10-15 01:06:18,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ca4baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:06:18, skipping insertion in model container [2019-10-15 01:06:18,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:06:18" (3/3) ... [2019-10-15 01:06:18,610 INFO L109 eAbstractionObserver]: Analyzing ICFG sum_array-2.i [2019-10-15 01:06:18,617 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:06:18,623 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:06:18,634 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:06:18,660 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:06:18,660 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:06:18,660 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:06:18,660 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:06:18,660 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:06:18,661 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:06:18,661 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:06:18,661 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:06:18,680 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2019-10-15 01:06:18,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-15 01:06:18,686 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:06:18,686 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:06:18,688 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:06:18,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:06:18,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1823924036, now seen corresponding path program 1 times [2019-10-15 01:06:18,701 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:06:18,701 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525875806] [2019-10-15 01:06:18,702 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:06:18,702 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:06:18,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:06:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:06:18,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:06:18,838 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525875806] [2019-10-15 01:06:18,839 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:06:18,839 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:06:18,839 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652304208] [2019-10-15 01:06:18,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:06:18,845 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:06:18,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:06:18,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:06:18,865 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2019-10-15 01:06:18,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:06:18,889 INFO L93 Difference]: Finished difference Result 55 states and 73 transitions. [2019-10-15 01:06:18,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:06:18,891 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2019-10-15 01:06:18,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:06:18,897 INFO L225 Difference]: With dead ends: 55 [2019-10-15 01:06:18,897 INFO L226 Difference]: Without dead ends: 27 [2019-10-15 01:06:18,900 INFO L600 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 [2019-10-15 01:06:18,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-15 01:06:18,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-15 01:06:18,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-15 01:06:18,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2019-10-15 01:06:18,935 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 17 [2019-10-15 01:06:18,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:06:18,936 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2019-10-15 01:06:18,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:06:18,936 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2019-10-15 01:06:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-15 01:06:18,937 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:06:18,937 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:06:18,938 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:06:18,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:06:18,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1169658974, now seen corresponding path program 1 times [2019-10-15 01:06:18,939 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:06:18,939 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781144957] [2019-10-15 01:06:18,939 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:06:18,939 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:06:18,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:06:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:06:19,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:06:19,175 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781144957] [2019-10-15 01:06:19,176 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:06:19,176 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:06:19,176 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107048020] [2019-10-15 01:06:19,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:06:19,179 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:06:19,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:06:19,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:06:19,180 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 4 states. [2019-10-15 01:06:19,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:06:19,333 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2019-10-15 01:06:19,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:06:19,334 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-10-15 01:06:19,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:06:19,336 INFO L225 Difference]: With dead ends: 62 [2019-10-15 01:06:19,337 INFO L226 Difference]: Without dead ends: 39 [2019-10-15 01:06:19,338 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:06:19,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-10-15 01:06:19,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 30. [2019-10-15 01:06:19,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-15 01:06:19,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2019-10-15 01:06:19,352 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 17 [2019-10-15 01:06:19,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:06:19,352 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2019-10-15 01:06:19,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:06:19,353 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2019-10-15 01:06:19,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-15 01:06:19,354 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:06:19,354 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:06:19,354 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:06:19,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:06:19,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1835570138, now seen corresponding path program 1 times [2019-10-15 01:06:19,355 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:06:19,355 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404812407] [2019-10-15 01:06:19,356 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:06:19,356 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:06:19,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:06:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:06:20,343 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 34 [2019-10-15 01:06:20,641 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 44 [2019-10-15 01:06:21,001 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 47 [2019-10-15 01:06:21,069 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:06:21,070 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404812407] [2019-10-15 01:06:21,071 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863580354] [2019-10-15 01:06:21,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-10-15 01:06:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:06:21,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-15 01:06:21,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:06:21,255 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:06:21,256 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2019-10-15 01:06:21,258 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:06:21,264 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:06:21,265 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-15 01:06:21,265 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2019-10-15 01:06:21,354 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2019-10-15 01:06:21,355 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:06:21,364 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:06:21,364 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-15 01:06:21,365 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2019-10-15 01:06:21,447 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 15 [2019-10-15 01:06:21,448 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:06:21,462 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:06:21,463 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-15 01:06:21,463 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:51, output treesize:5 [2019-10-15 01:06:21,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 01:06:21,510 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:06:21,515 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:06:21,517 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:06:21,518 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:06:21,521 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:06:21,523 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:06:21,524 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:06:21,526 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:06:21,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:06:21,693 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:06:21,899 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:06:21,901 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: incompatible size at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:211) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:152) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:335) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) 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) [2019-10-15 01:06:21,907 INFO L168 Benchmark]: Toolchain (without parser) took 4101.87 ms. Allocated memory was 145.8 MB in the beginning and 244.8 MB in the end (delta: 99.1 MB). Free memory was 103.4 MB in the beginning and 154.4 MB in the end (delta: -51.0 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:06:21,907 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:06:21,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.82 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 103.2 MB in the beginning and 181.7 MB in the end (delta: -78.5 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:06:21,909 INFO L168 Benchmark]: Boogie Preprocessor took 41.28 ms. Allocated memory is still 202.4 MB. Free memory was 181.7 MB in the beginning and 179.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:06:21,910 INFO L168 Benchmark]: RCFGBuilder took 381.69 ms. Allocated memory is still 202.4 MB. Free memory was 179.3 MB in the beginning and 161.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:06:21,911 INFO L168 Benchmark]: TraceAbstraction took 3301.23 ms. Allocated memory was 202.4 MB in the beginning and 244.8 MB in the end (delta: 42.5 MB). Free memory was 160.9 MB in the beginning and 154.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:06:21,915 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 370.82 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 103.2 MB in the beginning and 181.7 MB in the end (delta: -78.5 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.28 ms. Allocated memory is still 202.4 MB. Free memory was 181.7 MB in the beginning and 179.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 381.69 ms. Allocated memory is still 202.4 MB. Free memory was 179.3 MB in the beginning and 161.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3301.23 ms. Allocated memory was 202.4 MB in the beginning and 244.8 MB in the end (delta: 42.5 MB). Free memory was 160.9 MB in the beginning and 154.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: incompatible size de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: incompatible size: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...