java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --traceabstraction.dump.automata.to.the.following.directory dump -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/loop-acceleration/array3_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 11:31:47,523 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 11:31:47,525 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 11:31:47,548 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 11:31:47,548 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 11:31:47,549 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 11:31:47,553 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 11:31:47,557 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 11:31:47,559 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 11:31:47,564 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 11:31:47,565 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 11:31:47,565 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 11:31:47,566 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 11:31:47,567 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 11:31:47,571 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 11:31:47,572 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 11:31:47,574 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 11:31:47,578 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 11:31:47,583 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 11:31:47,587 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 11:31:47,588 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 11:31:47,592 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 11:31:47,597 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 11:31:47,598 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 11:31:47,598 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 11:31:47,599 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 11:31:47,602 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 11:31:47,603 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 11:31:47,603 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 11:31:47,604 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 11:31:47,605 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 11:31:47,608 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 11:31:47,609 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 11:31:47,609 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 11:31:47,612 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 11:31:47,615 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 11:31:47,615 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-10-10 11:31:47,638 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 11:31:47,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 11:31:47,640 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 11:31:47,640 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 11:31:47,640 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 11:31:47,640 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 11:31:47,641 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 11:31:47,641 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 11:31:47,641 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 11:31:47,641 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 11:31:47,641 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 11:31:47,642 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 11:31:47,642 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 11:31:47,642 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 11:31:47,642 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 11:31:47,642 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-10 11:31:47,643 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-10 11:31:47,643 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 11:31:47,643 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 11:31:47,643 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 11:31:47,644 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 11:31:47,644 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 11:31:47,644 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 11:31:47,644 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 11:31:47,644 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 11:31:47,645 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-10 11:31:47,645 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 11:31:47,645 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-10 11:31:47,645 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Dump automata to the following directory -> dump [2018-10-10 11:31:47,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 11:31:47,705 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 11:31:47,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 11:31:47,710 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 11:31:47,711 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 11:31:47,711 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array3_false-valid-deref.i [2018-10-10 11:31:48,054 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f18f42d7/a63c3bf117784f71a7f9b37d9d93b248/FLAG99e7f4358 [2018-10-10 11:31:48,216 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 11:31:48,217 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array3_false-valid-deref.i [2018-10-10 11:31:48,223 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f18f42d7/a63c3bf117784f71a7f9b37d9d93b248/FLAG99e7f4358 [2018-10-10 11:31:48,237 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f18f42d7/a63c3bf117784f71a7f9b37d9d93b248 [2018-10-10 11:31:48,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 11:31:48,249 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 11:31:48,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 11:31:48,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 11:31:48,254 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 11:31:48,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 11:31:48" (1/1) ... [2018-10-10 11:31:48,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a76add9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:31:48, skipping insertion in model container [2018-10-10 11:31:48,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 11:31:48" (1/1) ... [2018-10-10 11:31:48,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 11:31:48,294 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 11:31:48,492 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 11:31:48,498 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 11:31:48,528 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 11:31:48,565 INFO L193 MainTranslator]: Completed translation [2018-10-10 11:31:48,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:31:48 WrapperNode [2018-10-10 11:31:48,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 11:31:48,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 11:31:48,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 11:31:48,568 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 11:31:48,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:31:48" (1/1) ... [2018-10-10 11:31:48,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:31:48" (1/1) ... [2018-10-10 11:31:48,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 11:31:48,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 11:31:48,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 11:31:48,622 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 11:31:48,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:31:48" (1/1) ... [2018-10-10 11:31:48,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:31:48" (1/1) ... [2018-10-10 11:31:48,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:31:48" (1/1) ... [2018-10-10 11:31:48,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:31:48" (1/1) ... [2018-10-10 11:31:48,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:31:48" (1/1) ... [2018-10-10 11:31:48,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:31:48" (1/1) ... [2018-10-10 11:31:48,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:31:48" (1/1) ... [2018-10-10 11:31:48,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 11:31:48,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 11:31:48,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 11:31:48,668 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 11:31:48,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:31:48" (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 [2018-10-10 11:31:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 11:31:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 11:31:49,240 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 11:31:49,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 11:31:49 BoogieIcfgContainer [2018-10-10 11:31:49,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 11:31:49,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 11:31:49,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 11:31:49,246 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 11:31:49,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 11:31:48" (1/3) ... [2018-10-10 11:31:49,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b508ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 11:31:49, skipping insertion in model container [2018-10-10 11:31:49,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:31:48" (2/3) ... [2018-10-10 11:31:49,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b508ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 11:31:49, skipping insertion in model container [2018-10-10 11:31:49,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 11:31:49" (3/3) ... [2018-10-10 11:31:49,250 INFO L112 eAbstractionObserver]: Analyzing ICFG array3_false-valid-deref.i [2018-10-10 11:31:49,260 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 11:31:49,269 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-10-10 11:31:49,286 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2018-10-10 11:31:49,314 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 11:31:49,315 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 11:31:49,315 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 11:31:49,315 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 11:31:49,315 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 11:31:49,315 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 11:31:49,315 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 11:31:49,315 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 11:31:49,316 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 11:31:49,330 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2018-10-10 11:31:49,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-10 11:31:49,338 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:31:49,339 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-10-10 11:31:49,342 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:31:49,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:31:49,348 INFO L82 PathProgramCache]: Analyzing trace with hash 28694852, now seen corresponding path program 1 times [2018-10-10 11:31:49,352 INFO L227 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-10 11:31:49,353 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-10 11:31:49,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:31:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:31:49,425 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 11:31:49,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 11:31:49,487 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 11:31:49,504 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 11:31:49,504 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-10 11:31:49,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 11:31:49,542 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-10 11:31:49,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:31:49,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:31:49,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:31:49,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:31:49,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:31:49,564 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 4 states. [2018-10-10 11:31:49,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:31:49,794 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2018-10-10 11:31:49,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:31:49,796 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-10-10 11:31:49,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:31:49,806 INFO L225 Difference]: With dead ends: 40 [2018-10-10 11:31:49,806 INFO L226 Difference]: Without dead ends: 36 [2018-10-10 11:31:49,808 INFO L605 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 [2018-10-10 11:31:49,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-10-10 11:31:49,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 22. [2018-10-10 11:31:49,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-10-10 11:31:49,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2018-10-10 11:31:49,846 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 5 [2018-10-10 11:31:49,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:31:49,847 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2018-10-10 11:31:49,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:31:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-10-10 11:31:49,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-10 11:31:49,848 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:31:49,848 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-10-10 11:31:49,849 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:31:49,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:31:49,850 INFO L82 PathProgramCache]: Analyzing trace with hash 889540457, now seen corresponding path program 1 times [2018-10-10 11:31:49,850 INFO L227 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-10 11:31:49,851 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-10 11:31:49,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:31:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:31:49,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 11:31:49,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 11:31:49,947 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 11:31:49,969 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 11:31:49,970 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-10-10 11:31:50,104 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-10 11:31:50,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 11:31:50,212 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-10 11:31:50,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:31:50,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:31:50,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:31:50,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:31:50,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:31:50,222 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 4 states. [2018-10-10 11:31:50,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:31:50,426 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2018-10-10 11:31:50,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 11:31:50,428 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-10-10 11:31:50,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:31:50,429 INFO L225 Difference]: With dead ends: 43 [2018-10-10 11:31:50,429 INFO L226 Difference]: Without dead ends: 43 [2018-10-10 11:31:50,430 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:31:50,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-10-10 11:31:50,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 26. [2018-10-10 11:31:50,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-10-10 11:31:50,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2018-10-10 11:31:50,435 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 6 [2018-10-10 11:31:50,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:31:50,436 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2018-10-10 11:31:50,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:31:50,436 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2018-10-10 11:31:50,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-10 11:31:50,436 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:31:50,436 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2018-10-10 11:31:50,437 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:31:50,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:31:50,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1429719155, now seen corresponding path program 1 times [2018-10-10 11:31:50,438 INFO L227 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-10 11:31:50,438 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-10 11:31:50,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:31:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:31:50,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 11:31:50,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 11:31:50,518 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 11:31:50,605 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 11:31:50,605 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-10-10 11:31:50,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 11:31:50,778 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-10 11:31:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (4)] Exception during sending of exit command (exit): Broken pipe [2018-10-10 11:31:51,127 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 11:31:51,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2018-10-10 11:31:51,152 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: cannot bring into simultaneous update form, |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| has two outvars in equality [(= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#length_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| |v_ULTIMATE.start_#Ultimate.alloc_~size_1|) |v_#length_1|), (= |v_ULTIMATE.start_#Ultimate.alloc_~size_1| (_ bv4096 32)), (= |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1| (_ bv0 32)), (= v_ULTIMATE.start_main_~i~0_1 (_ bv0 32)), (= |v_ULTIMATE.start_main_~#A~0.base_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|), (= (select |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|) (_ bv0 1)), (= |v_ULTIMATE.start_main_~#A~0.offset_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1|), (= |v_ULTIMATE.start_main_old_#valid_1| |v_#valid_4|), (not (= (_ bv0 32) |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|)), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#length_1| |v_#length_2|), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_#valid_4|), (= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| (_ bv1 1)) |v_#valid_3|)] at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.transitions.SimultaneousUpdate.computeSubstitutionMapping(SimultaneousUpdate.java:174) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.transitions.SimultaneousUpdate.extractUpdateRhs(SimultaneousUpdate.java:154) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.transitions.SimultaneousUpdate.(SimultaneousUpdate.java:104) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.addStatementsAndVariables(PathProgramDumper.java:634) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.constructTransitionStatements(PathProgramDumper.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.processTransition(PathProgramDumper.java:521) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.constructProcedureStatements(PathProgramDumper.java:489) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.constructNewImplementation(PathProgramDumper.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.(PathProgramDumper.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumpController.doDump(PathProgramDumpController.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumpController.reportPathProgram(PathProgramDumpController.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) 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:123) 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) [2018-10-10 11:31:51,155 INFO L168 Benchmark]: Toolchain (without parser) took 2907.44 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 762.3 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -704.7 MB). Peak memory consumption was 57.6 MB. Max. memory is 7.1 GB. [2018-10-10 11:31:51,160 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 11:31:51,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-10 11:31:51,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.05 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 11:31:51,162 INFO L168 Benchmark]: Boogie Preprocessor took 45.36 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 11:31:51,163 INFO L168 Benchmark]: RCFGBuilder took 574.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 762.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -809.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2018-10-10 11:31:51,164 INFO L168 Benchmark]: TraceAbstraction took 1911.88 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 94.5 MB). Peak memory consumption was 94.5 MB. Max. memory is 7.1 GB. [2018-10-10 11:31:51,169 INFO L336 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 316.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.05 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.36 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 574.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 762.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -809.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1911.88 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 94.5 MB). Peak memory consumption was 94.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: cannot bring into simultaneous update form, |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| has two outvars in equality [(= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#length_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| |v_ULTIMATE.start_#Ultimate.alloc_~size_1|) |v_#length_1|), (= |v_ULTIMATE.start_#Ultimate.alloc_~size_1| (_ bv4096 32)), (= |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1| (_ bv0 32)), (= v_ULTIMATE.start_main_~i~0_1 (_ bv0 32)), (= |v_ULTIMATE.start_main_~#A~0.base_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|), (= (select |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|) (_ bv0 1)), (= |v_ULTIMATE.start_main_~#A~0.offset_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1|), (= |v_ULTIMATE.start_main_old_#valid_1| |v_#valid_4|), (not (= (_ bv0 32) |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|)), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#length_1| |v_#length_2|), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_#valid_4|), (= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| (_ bv1 1)) |v_#valid_3|)] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: cannot bring into simultaneous update form, |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| has two outvars in equality [(= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#length_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| |v_ULTIMATE.start_#Ultimate.alloc_~size_1|) |v_#length_1|), (= |v_ULTIMATE.start_#Ultimate.alloc_~size_1| (_ bv4096 32)), (= |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1| (_ bv0 32)), (= v_ULTIMATE.start_main_~i~0_1 (_ bv0 32)), (= |v_ULTIMATE.start_main_~#A~0.base_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|), (= (select |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|) (_ bv0 1)), (= |v_ULTIMATE.start_main_~#A~0.offset_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1|), (= |v_ULTIMATE.start_main_old_#valid_1| |v_#valid_4|), (not (= (_ bv0 32) |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|)), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#length_1| |v_#length_2|), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_#valid_4|), (= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| (_ bv1 1)) |v_#valid_3|)]: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.transitions.SimultaneousUpdate.computeSubstitutionMapping(SimultaneousUpdate.java:174) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...