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_Default.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memsetNonZero2_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 11:25:07,224 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 11:25:07,226 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 11:25:07,238 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 11:25:07,239 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 11:25:07,240 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 11:25:07,241 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 11:25:07,243 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 11:25:07,244 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 11:25:07,245 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 11:25:07,246 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 11:25:07,247 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 11:25:07,247 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 11:25:07,248 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 11:25:07,250 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 11:25:07,250 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 11:25:07,251 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 11:25:07,253 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 11:25:07,255 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 11:25:07,260 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 11:25:07,261 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 11:25:07,262 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 11:25:07,269 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 11:25:07,269 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 11:25:07,269 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 11:25:07,270 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 11:25:07,272 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 11:25:07,273 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 11:25:07,274 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 11:25:07,278 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 11:25:07,278 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 11:25:07,280 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 11:25:07,280 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 11:25:07,280 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 11:25:07,281 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 11:25:07,284 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 11:25:07,284 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-10-10 11:25:07,311 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 11:25:07,312 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 11:25:07,313 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 11:25:07,316 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 11:25:07,316 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 11:25:07,316 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 11:25:07,317 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 11:25:07,317 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 11:25:07,317 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 11:25:07,317 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 11:25:07,317 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 11:25:07,318 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 11:25:07,318 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 11:25:07,318 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 11:25:07,318 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 11:25:07,318 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 11:25:07,319 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 11:25:07,319 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 11:25:07,319 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 11:25:07,319 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 11:25:07,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 11:25:07,320 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 11:25:07,320 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 11:25:07,320 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-10 11:25:07,320 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 11:25:07,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Dump automata to the following directory -> dump [2018-10-10 11:25:07,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 11:25:07,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 11:25:07,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 11:25:07,414 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 11:25:07,415 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 11:25:07,415 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memsetNonZero2_true-valid-memsafety_true-termination.c [2018-10-10 11:25:07,721 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/515dee39f/d76b16f22ad645819f05d1760a621547/FLAGf80d6c898 [2018-10-10 11:25:07,915 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 11:25:07,916 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-memsafety/memsetNonZero2_true-valid-memsafety_true-termination.c [2018-10-10 11:25:07,922 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/515dee39f/d76b16f22ad645819f05d1760a621547/FLAGf80d6c898 [2018-10-10 11:25:07,938 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/515dee39f/d76b16f22ad645819f05d1760a621547 [2018-10-10 11:25:07,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 11:25:07,954 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 11:25:07,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 11:25:07,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 11:25:07,960 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 11:25:07,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 11:25:07" (1/1) ... [2018-10-10 11:25:07,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69fadd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:07, skipping insertion in model container [2018-10-10 11:25:07,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 11:25:07" (1/1) ... [2018-10-10 11:25:07,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 11:25:08,001 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 11:25:08,203 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 11:25:08,214 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 11:25:08,239 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 11:25:08,255 INFO L193 MainTranslator]: Completed translation [2018-10-10 11:25:08,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:08 WrapperNode [2018-10-10 11:25:08,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 11:25:08,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 11:25:08,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 11:25:08,257 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 11:25:08,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:08" (1/1) ... [2018-10-10 11:25:08,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:08" (1/1) ... [2018-10-10 11:25:08,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 11:25:08,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 11:25:08,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 11:25:08,295 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 11:25:08,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:08" (1/1) ... [2018-10-10 11:25:08,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:08" (1/1) ... [2018-10-10 11:25:08,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:08" (1/1) ... [2018-10-10 11:25:08,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:08" (1/1) ... [2018-10-10 11:25:08,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:08" (1/1) ... [2018-10-10 11:25:08,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:08" (1/1) ... [2018-10-10 11:25:08,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:08" (1/1) ... [2018-10-10 11:25:08,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 11:25:08,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 11:25:08,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 11:25:08,320 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 11:25:08,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:08" (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 11:25:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 11:25:08,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 11:25:08,645 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 11:25:08,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 11:25:08 BoogieIcfgContainer [2018-10-10 11:25:08,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 11:25:08,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 11:25:08,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 11:25:08,651 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 11:25:08,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 11:25:07" (1/3) ... [2018-10-10 11:25:08,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465b696b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 11:25:08, skipping insertion in model container [2018-10-10 11:25:08,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:25:08" (2/3) ... [2018-10-10 11:25:08,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465b696b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 11:25:08, skipping insertion in model container [2018-10-10 11:25:08,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 11:25:08" (3/3) ... [2018-10-10 11:25:08,655 INFO L112 eAbstractionObserver]: Analyzing ICFG memsetNonZero2_true-valid-memsafety_true-termination.c [2018-10-10 11:25:08,665 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 11:25:08,672 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-10-10 11:25:08,689 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-10-10 11:25:08,717 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 11:25:08,718 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 11:25:08,718 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 11:25:08,719 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 11:25:08,719 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 11:25:08,719 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 11:25:08,719 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 11:25:08,719 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 11:25:08,720 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 11:25:08,733 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-10-10 11:25:08,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-10 11:25:08,741 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:08,742 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-10-10 11:25:08,745 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:25:08,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:08,751 INFO L82 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2018-10-10 11:25:08,752 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:08,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:08,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:08,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:08,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:08,919 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 11:25:08,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:08,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 11:25:08,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-10 11:25:08,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-10 11:25:08,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 11:25:08,958 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2018-10-10 11:25:09,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:09,075 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-10-10 11:25:09,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-10 11:25:09,077 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-10-10 11:25:09,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:09,089 INFO L225 Difference]: With dead ends: 11 [2018-10-10 11:25:09,090 INFO L226 Difference]: Without dead ends: 9 [2018-10-10 11:25:09,092 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 11:25:09,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-10-10 11:25:09,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-10-10 11:25:09,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-10-10 11:25:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-10 11:25:09,130 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 3 [2018-10-10 11:25:09,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:09,130 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-10-10 11:25:09,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-10 11:25:09,131 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-10-10 11:25:09,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-10 11:25:09,131 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:09,132 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-10-10 11:25:09,132 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:25:09,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:09,133 INFO L82 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2018-10-10 11:25:09,133 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:09,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:09,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:09,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:09,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:09,278 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 11:25:09,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:09,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 11:25:09,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-10 11:25:09,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-10 11:25:09,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 11:25:09,282 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 3 states. [2018-10-10 11:25:09,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:09,353 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-10-10 11:25:09,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-10 11:25:09,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-10-10 11:25:09,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:09,354 INFO L225 Difference]: With dead ends: 8 [2018-10-10 11:25:09,355 INFO L226 Difference]: Without dead ends: 8 [2018-10-10 11:25:09,356 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 11:25:09,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-10-10 11:25:09,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-10-10 11:25:09,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-10-10 11:25:09,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-10-10 11:25:09,358 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2018-10-10 11:25:09,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:09,359 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2018-10-10 11:25:09,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-10 11:25:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-10-10 11:25:09,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-10 11:25:09,360 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:09,360 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-10 11:25:09,361 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:25:09,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:09,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1803953449, now seen corresponding path program 1 times [2018-10-10 11:25:09,361 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:09,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:09,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:09,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:09,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:09,501 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 11:25:09,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:25:09,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 11:25:09,502 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:25:09,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:25:09,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:25:09,504 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 4 states. [2018-10-10 11:25:09,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:25:09,563 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-10-10 11:25:09,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:25:09,565 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2018-10-10 11:25:09,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:25:09,566 INFO L225 Difference]: With dead ends: 9 [2018-10-10 11:25:09,566 INFO L226 Difference]: Without dead ends: 9 [2018-10-10 11:25:09,566 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:25:09,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-10-10 11:25:09,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-10-10 11:25:09,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-10-10 11:25:09,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-10 11:25:09,569 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-10-10 11:25:09,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:25:09,569 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-10-10 11:25:09,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:25:09,570 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-10-10 11:25:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-10 11:25:09,570 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:25:09,570 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 11:25:09,571 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:25:09,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:25:09,571 INFO L82 PathProgramCache]: Analyzing trace with hash 87920521, now seen corresponding path program 1 times [2018-10-10 11:25:09,571 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:25:09,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:25:09,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:09,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:09,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:25:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:09,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 11:25:09,718 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 11:25:09,718 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 11:25:09,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:25:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:25:09,779 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 11:25:09,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 11:25:09,963 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 11:25:09,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-10-10 11:25:09,997 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.C_memset_#ptr.offset_1| has two outvars in equality [(not (= 0 |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|)), (= |v_#length_1| (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_ULTIMATE.start_#Ultimate.C_memset_#value_1| 10), (= |v_ULTIMATE.start_main_~#cstats~0.offset_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1|), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#length_1| |v_#length_2|), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_#valid_6|), (= |v_ULTIMATE.start_#Ultimate.alloc_~size_1| 40), (= |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1| 0), (= |v_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset_1| |v_ULTIMATE.start_main_~#cstats~0.offset_1|), (= 0 (select |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|)), (= |v_ULTIMATE.start_main_old_#valid_3| |v_#valid_6|), (= |v_ULTIMATE.start_main_~#cstats~0.base_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|), (= |v_ULTIMATE.start_#Ultimate.C_memset_#ptr.base_1| |v_ULTIMATE.start_main_~#cstats~0.base_1|), (= |v_ULTIMATE.start_#Ultimate.C_memset_#amount_1| 40), (= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| 1) |v_#valid_5|)] 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.computeSubstitutionMapping(SimultaneousUpdate.java:171) 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 11:25:10,001 INFO L168 Benchmark]: Toolchain (without parser) took 2050.56 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -736.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2018-10-10 11:25:10,003 INFO L168 Benchmark]: CDTParser took 0.22 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 11:25:10,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.28 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 11:25:10,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.30 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 11:25:10,005 INFO L168 Benchmark]: Boogie Preprocessor took 23.90 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 11:25:10,006 INFO L168 Benchmark]: RCFGBuilder took 326.97 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -801.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2018-10-10 11:25:10,006 INFO L168 Benchmark]: TraceAbstraction took 1352.83 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. [2018-10-10 11:25:10,011 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 301.28 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 38.30 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 23.90 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 326.97 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -801.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1352.83 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 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.C_memset_#ptr.offset_1| has two outvars in equality [(not (= 0 |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|)), (= |v_#length_1| (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_ULTIMATE.start_#Ultimate.C_memset_#value_1| 10), (= |v_ULTIMATE.start_main_~#cstats~0.offset_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1|), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#length_1| |v_#length_2|), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_#valid_6|), (= |v_ULTIMATE.start_#Ultimate.alloc_~size_1| 40), (= |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1| 0), (= |v_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset_1| |v_ULTIMATE.start_main_~#cstats~0.offset_1|), (= 0 (select |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|)), (= |v_ULTIMATE.start_main_old_#valid_3| |v_#valid_6|), (= |v_ULTIMATE.start_main_~#cstats~0.base_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|), (= |v_ULTIMATE.start_#Ultimate.C_memset_#ptr.base_1| |v_ULTIMATE.start_main_~#cstats~0.base_1|), (= |v_ULTIMATE.start_#Ultimate.C_memset_#amount_1| 40), (= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| 1) |v_#valid_5|)] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: cannot bring into simultaneous update form, |v_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset_1| has two outvars in equality [(not (= 0 |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|)), (= |v_#length_1| (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_ULTIMATE.start_#Ultimate.C_memset_#value_1| 10), (= |v_ULTIMATE.start_main_~#cstats~0.offset_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1|), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#length_1| |v_#length_2|), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_#valid_6|), (= |v_ULTIMATE.start_#Ultimate.alloc_~size_1| 40), (= |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1| 0), (= |v_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset_1| |v_ULTIMATE.start_main_~#cstats~0.offset_1|), (= 0 (select |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|)), (= |v_ULTIMATE.start_main_old_#valid_3| |v_#valid_6|), (= |v_ULTIMATE.start_main_~#cstats~0.base_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|), (= |v_ULTIMATE.start_#Ultimate.C_memset_#ptr.base_1| |v_ULTIMATE.start_main_~#cstats~0.base_1|), (= |v_ULTIMATE.start_#Ultimate.C_memset_#amount_1| 40), (= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| 1) |v_#valid_5|)]: 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...