/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/loops/invert_string-3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:26:06,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:26:06,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:26:06,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:26:06,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:26:06,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:26:06,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:26:06,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:26:06,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:26:06,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:26:06,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:26:06,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:26:06,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:26:06,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:26:06,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:26:06,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:26:06,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:26:06,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:26:06,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:26:06,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:26:06,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:26:06,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:26:06,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:26:06,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:26:06,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:26:06,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:26:06,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:26:06,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:26:06,365 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 04:26:06,379 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:26:06,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:26:06,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:26:06,381 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:26:06,381 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:26:06,381 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:26:06,381 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:26:06,381 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:26:06,382 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:26:06,382 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:26:06,382 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:26:06,382 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:26:06,382 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:26:06,383 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:26:06,383 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:26:06,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:26:06,384 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:26:06,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:26:06,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:26:06,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:26:06,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:26:06,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:26:06,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:26:06,385 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:26:06,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:26:06,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:26:06,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:26:06,386 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:26:06,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:26:06,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:26:06,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:26:06,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:26:06,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:26:06,387 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:26:06,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:26:06,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:26:06,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:26:06,388 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:26:06,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:26:06,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:26:06,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:26:06,694 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:26:06,695 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:26:06,696 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/invert_string-3.c [2019-11-24 04:26:06,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30b66d68b/49b8373f8a0642c8aa613fb93701cf95/FLAGced62d2e9 [2019-11-24 04:26:07,198 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:26:07,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/invert_string-3.c [2019-11-24 04:26:07,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30b66d68b/49b8373f8a0642c8aa613fb93701cf95/FLAGced62d2e9 [2019-11-24 04:26:07,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30b66d68b/49b8373f8a0642c8aa613fb93701cf95 [2019-11-24 04:26:07,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:26:07,578 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:26:07,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:26:07,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:26:07,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:26:07,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:26:07" (1/1) ... [2019-11-24 04:26:07,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e22e22f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:07, skipping insertion in model container [2019-11-24 04:26:07,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:26:07" (1/1) ... [2019-11-24 04:26:07,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:26:07,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:26:07,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:26:07,816 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:26:07,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:26:07,853 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:26:07,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:07 WrapperNode [2019-11-24 04:26:07,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:26:07,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:26:07,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:26:07,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:26:07,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:07" (1/1) ... [2019-11-24 04:26:07,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:07" (1/1) ... [2019-11-24 04:26:07,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:26:07,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:26:07,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:26:07,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:26:08,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:07" (1/1) ... [2019-11-24 04:26:08,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:07" (1/1) ... [2019-11-24 04:26:08,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:07" (1/1) ... [2019-11-24 04:26:08,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:07" (1/1) ... [2019-11-24 04:26:08,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:07" (1/1) ... [2019-11-24 04:26:08,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:07" (1/1) ... [2019-11-24 04:26:08,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:07" (1/1) ... [2019-11-24 04:26:08,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:26:08,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:26:08,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:26:08,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:26:08,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:26:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 04:26:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:26:08,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:26:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 04:26:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 04:26:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 04:26:08,475 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:26:08,475 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-24 04:26:08,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:26:08 BoogieIcfgContainer [2019-11-24 04:26:08,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:26:08,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:26:08,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:26:08,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:26:08,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:26:07" (1/3) ... [2019-11-24 04:26:08,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9522195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:26:08, skipping insertion in model container [2019-11-24 04:26:08,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:26:07" (2/3) ... [2019-11-24 04:26:08,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9522195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:26:08, skipping insertion in model container [2019-11-24 04:26:08,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:26:08" (3/3) ... [2019-11-24 04:26:08,484 INFO L109 eAbstractionObserver]: Analyzing ICFG invert_string-3.c [2019-11-24 04:26:08,493 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:26:08,498 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:26:08,508 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:26:08,528 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:26:08,528 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:26:08,528 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:26:08,528 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:26:08,528 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:26:08,529 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:26:08,529 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:26:08,529 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:26:08,539 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-24 04:26:08,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-24 04:26:08,544 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:26:08,545 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-24 04:26:08,546 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:26:08,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:26:08,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1651693198, now seen corresponding path program 1 times [2019-11-24 04:26:08,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:26:08,559 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713996102] [2019-11-24 04:26:08,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:26:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:26:08,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:26:08,876 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713996102] [2019-11-24 04:26:08,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:26:08,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 04:26:08,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678017900] [2019-11-24 04:26:08,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:26:08,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:26:08,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:26:08,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:26:08,900 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2019-11-24 04:26:08,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:26:08,988 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2019-11-24 04:26:08,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 04:26:08,990 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-24 04:26:08,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:26:08,999 INFO L225 Difference]: With dead ends: 16 [2019-11-24 04:26:08,999 INFO L226 Difference]: Without dead ends: 9 [2019-11-24 04:26:09,002 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-24 04:26:09,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-24 04:26:09,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-24 04:26:09,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-24 04:26:09,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2019-11-24 04:26:09,030 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 6 [2019-11-24 04:26:09,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:26:09,030 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-11-24 04:26:09,031 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:26:09,031 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-11-24 04:26:09,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 04:26:09,031 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:26:09,032 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:26:09,032 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:26:09,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:26:09,033 INFO L82 PathProgramCache]: Analyzing trace with hash 333332055, now seen corresponding path program 1 times [2019-11-24 04:26:09,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:26:09,033 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86257399] [2019-11-24 04:26:09,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:26:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:26:09,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:26:09,157 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86257399] [2019-11-24 04:26:09,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:26:09,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 04:26:09,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000117515] [2019-11-24 04:26:09,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 04:26:09,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:26:09,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 04:26:09,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:26:09,160 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand 3 states. [2019-11-24 04:26:09,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:26:09,184 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2019-11-24 04:26:09,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 04:26:09,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-24 04:26:09,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:26:09,186 INFO L225 Difference]: With dead ends: 17 [2019-11-24 04:26:09,186 INFO L226 Difference]: Without dead ends: 10 [2019-11-24 04:26:09,187 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:26:09,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-24 04:26:09,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-24 04:26:09,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-24 04:26:09,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2019-11-24 04:26:09,191 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 7 [2019-11-24 04:26:09,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:26:09,191 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2019-11-24 04:26:09,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 04:26:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-11-24 04:26:09,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 04:26:09,192 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:26:09,192 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:26:09,193 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:26:09,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:26:09,193 INFO L82 PathProgramCache]: Analyzing trace with hash 967180323, now seen corresponding path program 1 times [2019-11-24 04:26:09,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:26:09,194 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110927247] [2019-11-24 04:26:09,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:26:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:26:09,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:26:09,441 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110927247] [2019-11-24 04:26:09,441 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295486916] [2019-11-24 04:26:09,441 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 [2019-11-24 04:26:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:26:09,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 28 conjunts are in the unsatisfiable core [2019-11-24 04:26:09,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:26:09,576 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2019-11-24 04:26:09,578 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 04:26:09,602 INFO L567 ElimStorePlain]: treesize reduction 13, result has 45.8 percent of original size [2019-11-24 04:26:09,602 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-24 04:26:09,603 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:11 [2019-11-24 04:26:09,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:26:09,712 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 54 [2019-11-24 04:26:09,714 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 04:26:09,759 INFO L567 ElimStorePlain]: treesize reduction 64, result has 40.7 percent of original size [2019-11-24 04:26:09,759 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_20| vanished before elimination [2019-11-24 04:26:09,759 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-24 04:26:09,760 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:112, output treesize:44 [2019-11-24 04:26:09,806 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:26:09,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:26:09,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:26:09,896 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:26:09,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:26:10,196 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:26:10,197 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.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.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.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) [2019-11-24 04:26:10,202 INFO L168 Benchmark]: Toolchain (without parser) took 2624.05 ms. Allocated memory was 145.8 MB in the beginning and 234.4 MB in the end (delta: 88.6 MB). Free memory was 104.0 MB in the beginning and 158.4 MB in the end (delta: -54.4 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2019-11-24 04:26:10,203 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 04:26:10,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.59 ms. Allocated memory is still 145.8 MB. Free memory was 103.8 MB in the beginning and 93.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-11-24 04:26:10,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.03 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 93.4 MB in the beginning and 182.5 MB in the end (delta: -89.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-11-24 04:26:10,206 INFO L168 Benchmark]: Boogie Preprocessor took 37.38 ms. Allocated memory is still 203.9 MB. Free memory was 182.5 MB in the beginning and 180.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-11-24 04:26:10,207 INFO L168 Benchmark]: RCFGBuilder took 441.85 ms. Allocated memory is still 203.9 MB. Free memory was 180.8 MB in the beginning and 159.5 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-11-24 04:26:10,208 INFO L168 Benchmark]: TraceAbstraction took 1723.14 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 158.8 MB in the beginning and 158.4 MB in the end (delta: 408.2 kB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2019-11-24 04:26:10,212 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 274.59 ms. Allocated memory is still 145.8 MB. Free memory was 103.8 MB in the beginning and 93.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 142.03 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 93.4 MB in the beginning and 182.5 MB in the end (delta: -89.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.38 ms. Allocated memory is still 203.9 MB. Free memory was 182.5 MB in the beginning and 180.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 441.85 ms. Allocated memory is still 203.9 MB. Free memory was 180.8 MB in the beginning and 159.5 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1723.14 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 158.8 MB in the beginning and 158.4 MB in the end (delta: 408.2 kB). Peak memory consumption was 30.8 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...