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/array-examples/sanfoundry_24_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 11:24:32,001 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 11:24:32,003 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 11:24:32,015 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 11:24:32,016 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 11:24:32,019 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 11:24:32,020 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 11:24:32,022 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 11:24:32,024 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 11:24:32,030 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 11:24:32,031 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 11:24:32,031 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 11:24:32,034 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 11:24:32,036 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 11:24:32,038 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 11:24:32,039 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 11:24:32,041 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 11:24:32,043 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 11:24:32,047 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 11:24:32,049 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 11:24:32,052 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 11:24:32,054 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 11:24:32,057 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 11:24:32,057 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 11:24:32,057 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 11:24:32,058 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 11:24:32,060 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 11:24:32,060 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 11:24:32,062 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 11:24:32,063 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 11:24:32,063 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 11:24:32,065 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-10 11:24:32,069 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 11:24:32,097 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 11:24:32,097 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 11:24:32,099 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 11:24:32,099 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 11:24:32,099 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 11:24:32,099 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 11:24:32,100 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 11:24:32,103 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 11:24:32,103 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 11:24:32,104 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 11:24:32,104 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 11:24:32,104 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 11:24:32,104 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 11:24:32,104 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 11:24:32,105 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 11:24:32,105 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 11:24:32,105 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 11:24:32,106 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 11:24:32,106 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 11:24:32,106 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 11:24:32,106 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 11:24:32,106 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 11:24:32,107 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 11:24:32,107 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-10 11:24:32,107 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 11:24:32,107 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 11:24:32,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 11:24:32,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 11:24:32,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 11:24:32,203 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 11:24:32,203 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 11:24:32,204 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sanfoundry_24_false-valid-deref.i [2018-10-10 11:24:32,585 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee57e255/d12a035637c0445f9adfa900fb89c413/FLAG1e6729e9c [2018-10-10 11:24:32,766 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 11:24:32,767 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/sanfoundry_24_false-valid-deref.i [2018-10-10 11:24:32,773 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee57e255/d12a035637c0445f9adfa900fb89c413/FLAG1e6729e9c [2018-10-10 11:24:32,788 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee57e255/d12a035637c0445f9adfa900fb89c413 [2018-10-10 11:24:32,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 11:24:32,799 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 11:24:32,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 11:24:32,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 11:24:32,804 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 11:24:32,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 11:24:32" (1/1) ... [2018-10-10 11:24:32,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b3041d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:32, skipping insertion in model container [2018-10-10 11:24:32,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 11:24:32" (1/1) ... [2018-10-10 11:24:32,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 11:24:32,843 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 11:24:33,026 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 11:24:33,031 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 11:24:33,061 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 11:24:33,091 INFO L193 MainTranslator]: Completed translation [2018-10-10 11:24:33,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:33 WrapperNode [2018-10-10 11:24:33,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 11:24:33,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 11:24:33,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 11:24:33,094 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 11:24:33,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:33" (1/1) ... [2018-10-10 11:24:33,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:33" (1/1) ... [2018-10-10 11:24:33,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 11:24:33,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 11:24:33,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 11:24:33,159 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 11:24:33,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:33" (1/1) ... [2018-10-10 11:24:33,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:33" (1/1) ... [2018-10-10 11:24:33,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:33" (1/1) ... [2018-10-10 11:24:33,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:33" (1/1) ... [2018-10-10 11:24:33,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:33" (1/1) ... [2018-10-10 11:24:33,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:33" (1/1) ... [2018-10-10 11:24:33,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:33" (1/1) ... [2018-10-10 11:24:33,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 11:24:33,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 11:24:33,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 11:24:33,215 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 11:24:33,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:33" (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 11:24:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 11:24:33,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 11:24:33,899 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 11:24:33,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 11:24:33 BoogieIcfgContainer [2018-10-10 11:24:33,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 11:24:33,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 11:24:33,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 11:24:33,905 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 11:24:33,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 11:24:32" (1/3) ... [2018-10-10 11:24:33,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3939bc5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 11:24:33, skipping insertion in model container [2018-10-10 11:24:33,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:33" (2/3) ... [2018-10-10 11:24:33,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3939bc5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 11:24:33, skipping insertion in model container [2018-10-10 11:24:33,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 11:24:33" (3/3) ... [2018-10-10 11:24:33,909 INFO L112 eAbstractionObserver]: Analyzing ICFG sanfoundry_24_false-valid-deref.i [2018-10-10 11:24:33,920 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 11:24:33,929 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-10-10 11:24:33,947 INFO L257 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2018-10-10 11:24:33,976 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 11:24:33,977 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 11:24:33,978 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 11:24:33,978 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 11:24:33,978 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 11:24:33,978 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 11:24:33,978 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 11:24:33,979 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 11:24:33,979 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 11:24:33,996 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-10-10 11:24:34,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-10 11:24:34,005 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:24:34,006 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-10-10 11:24:34,009 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:24:34,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:24:34,016 INFO L82 PathProgramCache]: Analyzing trace with hash 28694852, now seen corresponding path program 1 times [2018-10-10 11:24:34,018 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:24:34,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:24:34,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:24:34,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:24:34,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:24:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:24:34,263 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 11:24:34,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:24:34,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:24:34,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:24:34,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:24:34,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:24:34,287 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2018-10-10 11:24:34,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:24:34,558 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2018-10-10 11:24:34,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:24:34,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-10-10 11:24:34,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:24:34,577 INFO L225 Difference]: With dead ends: 42 [2018-10-10 11:24:34,578 INFO L226 Difference]: Without dead ends: 38 [2018-10-10 11:24:34,581 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:24:34,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-10-10 11:24:34,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32. [2018-10-10 11:24:34,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-10-10 11:24:34,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2018-10-10 11:24:34,618 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 5 [2018-10-10 11:24:34,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:24:34,618 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2018-10-10 11:24:34,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:24:34,619 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2018-10-10 11:24:34,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-10 11:24:34,619 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:24:34,619 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-10-10 11:24:34,620 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:24:34,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:24:34,620 INFO L82 PathProgramCache]: Analyzing trace with hash 889540457, now seen corresponding path program 1 times [2018-10-10 11:24:34,621 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:24:34,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:24:34,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:24:34,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:24:34,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:24:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:24:34,874 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 11:24:34,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:24:34,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:24:34,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:24:34,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:24:34,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:24:34,877 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand 4 states. [2018-10-10 11:24:35,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:24:35,181 INFO L93 Difference]: Finished difference Result 64 states and 72 transitions. [2018-10-10 11:24:35,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 11:24:35,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-10-10 11:24:35,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:24:35,183 INFO L225 Difference]: With dead ends: 64 [2018-10-10 11:24:35,183 INFO L226 Difference]: Without dead ends: 64 [2018-10-10 11:24:35,185 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 11:24:35,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-10-10 11:24:35,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 47. [2018-10-10 11:24:35,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-10-10 11:24:35,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2018-10-10 11:24:35,193 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 6 [2018-10-10 11:24:35,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:24:35,193 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2018-10-10 11:24:35,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:24:35,194 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-10-10 11:24:35,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-10 11:24:35,194 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:24:35,195 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 11:24:35,195 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:24:35,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:24:35,196 INFO L82 PathProgramCache]: Analyzing trace with hash 321110664, now seen corresponding path program 1 times [2018-10-10 11:24:35,196 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:24:35,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:24:35,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:24:35,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:24:35,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:24:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:24:35,320 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 11:24:35,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:24:35,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:24:35,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:24:35,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:24:35,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:24:35,322 INFO L87 Difference]: Start difference. First operand 47 states and 54 transitions. Second operand 4 states. [2018-10-10 11:24:35,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:24:35,419 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2018-10-10 11:24:35,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:24:35,422 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-10-10 11:24:35,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:24:35,423 INFO L225 Difference]: With dead ends: 46 [2018-10-10 11:24:35,423 INFO L226 Difference]: Without dead ends: 44 [2018-10-10 11:24:35,424 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:24:35,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-10-10 11:24:35,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-10-10 11:24:35,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-10-10 11:24:35,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2018-10-10 11:24:35,430 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 9 [2018-10-10 11:24:35,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:24:35,431 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2018-10-10 11:24:35,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:24:35,431 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2018-10-10 11:24:35,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-10 11:24:35,432 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:24:35,432 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2018-10-10 11:24:35,433 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:24:35,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:24:35,433 INFO L82 PathProgramCache]: Analyzing trace with hash -827817870, now seen corresponding path program 1 times [2018-10-10 11:24:35,433 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:24:35,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:24:35,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:24:35,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:24:35,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:24:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:24:35,681 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 11:24:35,681 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 11:24:35,681 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 11:24:35,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:24:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:24:35,734 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 11:24:35,777 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 11:24:35,779 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 11:24:35,792 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 11:24:35,793 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:12 [2018-10-10 11:24:36,008 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 11:24:36,043 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 11:24:36,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2018-10-10 11:24:36,073 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_main_~#array~0.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.alloc_old_#length_1| |v_#length_2|), (= |v_ULTIMATE.start_main_~#array~0.offset_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1|), (<= v_ULTIMATE.start_main_~num~0_1 2147483647), (= v_ULTIMATE.start_main_~i~0_1 0), (= |v_ULTIMATE.start_main_~#array~0.base_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|), (<= 0 (+ v_ULTIMATE.start_main_~num~0_1 2147483648)), (= |v_ULTIMATE.start_main_old_#valid_1| |v_#valid_4|), (= |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1| 0), (= 0 (select |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|)), (= |v_ULTIMATE.start_#Ultimate.alloc_~size_1| 400000), (= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| 1) |v_#valid_3|), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_#valid_4|)] 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 11:24:36,077 INFO L168 Benchmark]: Toolchain (without parser) took 3278.33 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -674.2 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. [2018-10-10 11:24:36,079 INFO L168 Benchmark]: CDTParser took 0.23 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 11:24:36,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.99 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 11:24:36,081 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.80 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 11:24:36,081 INFO L168 Benchmark]: Boogie Preprocessor took 56.03 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 11:24:36,082 INFO L168 Benchmark]: RCFGBuilder took 685.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -766.9 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2018-10-10 11:24:36,083 INFO L168 Benchmark]: TraceAbstraction took 2174.73 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: 82.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2018-10-10 11:24:36,090 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 291.99 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 65.80 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 56.03 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 685.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -766.9 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2174.73 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: 82.1 MB). Peak memory consumption was 82.1 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_main_~#array~0.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.alloc_old_#length_1| |v_#length_2|), (= |v_ULTIMATE.start_main_~#array~0.offset_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1|), (<= v_ULTIMATE.start_main_~num~0_1 2147483647), (= v_ULTIMATE.start_main_~i~0_1 0), (= |v_ULTIMATE.start_main_~#array~0.base_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|), (<= 0 (+ v_ULTIMATE.start_main_~num~0_1 2147483648)), (= |v_ULTIMATE.start_main_old_#valid_1| |v_#valid_4|), (= |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1| 0), (= 0 (select |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|)), (= |v_ULTIMATE.start_#Ultimate.alloc_~size_1| 400000), (= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| 1) |v_#valid_3|), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_#valid_4|)] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: cannot bring into simultaneous update form, |v_ULTIMATE.start_main_~#array~0.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.alloc_old_#length_1| |v_#length_2|), (= |v_ULTIMATE.start_main_~#array~0.offset_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1|), (<= v_ULTIMATE.start_main_~num~0_1 2147483647), (= v_ULTIMATE.start_main_~i~0_1 0), (= |v_ULTIMATE.start_main_~#array~0.base_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|), (<= 0 (+ v_ULTIMATE.start_main_~num~0_1 2147483648)), (= |v_ULTIMATE.start_main_old_#valid_1| |v_#valid_4|), (= |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1| 0), (= 0 (select |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|)), (= |v_ULTIMATE.start_#Ultimate.alloc_~size_1| 400000), (= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| 1) |v_#valid_3|), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_#valid_4|)]: 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...