/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 21:59:30,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 21:59:30,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 21:59:30,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 21:59:30,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 21:59:30,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 21:59:30,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 21:59:30,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 21:59:30,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 21:59:30,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 21:59:30,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 21:59:30,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 21:59:30,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 21:59:30,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 21:59:30,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 21:59:30,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 21:59:30,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 21:59:30,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 21:59:30,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 21:59:30,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 21:59:30,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 21:59:30,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 21:59:30,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 21:59:30,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 21:59:30,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 21:59:30,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 21:59:30,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 21:59:30,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 21:59:30,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 21:59:30,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 21:59:30,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 21:59:30,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 21:59:30,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 21:59:30,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 21:59:30,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 21:59:30,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 21:59:30,055 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 21:59:30,069 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 21:59:30,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 21:59:30,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 21:59:30,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 21:59:30,071 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 21:59:30,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 21:59:30,072 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 21:59:30,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 21:59:30,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 21:59:30,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 21:59:30,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 21:59:30,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 21:59:30,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 21:59:30,073 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 21:59:30,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 21:59:30,073 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 21:59:30,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 21:59:30,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 21:59:30,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 21:59:30,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 21:59:30,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 21:59:30,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:59:30,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 21:59:30,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 21:59:30,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 21:59:30,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 21:59:30,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 21:59:30,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 21:59:30,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 21:59:30,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 21:59:30,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 21:59:30,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 21:59:30,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 21:59:30,378 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 21:59:30,378 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 21:59:30,379 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i [2020-07-17 21:59:30,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c60a83f60/d78cd9607703420f9907466834e7a14d/FLAG74632c26d [2020-07-17 21:59:30,904 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 21:59:30,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i [2020-07-17 21:59:30,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c60a83f60/d78cd9607703420f9907466834e7a14d/FLAG74632c26d [2020-07-17 21:59:31,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c60a83f60/d78cd9607703420f9907466834e7a14d [2020-07-17 21:59:31,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 21:59:31,332 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 21:59:31,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 21:59:31,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 21:59:31,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 21:59:31,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:59:31" (1/1) ... [2020-07-17 21:59:31,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd626c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:31, skipping insertion in model container [2020-07-17 21:59:31,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:59:31" (1/1) ... [2020-07-17 21:59:31,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 21:59:31,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 21:59:31,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:59:31,593 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 21:59:31,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:59:31,718 INFO L208 MainTranslator]: Completed translation [2020-07-17 21:59:31,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:31 WrapperNode [2020-07-17 21:59:31,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 21:59:31,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 21:59:31,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 21:59:31,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 21:59:31,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:31" (1/1) ... [2020-07-17 21:59:31,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:31" (1/1) ... [2020-07-17 21:59:31,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:31" (1/1) ... [2020-07-17 21:59:31,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:31" (1/1) ... [2020-07-17 21:59:31,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:31" (1/1) ... [2020-07-17 21:59:31,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:31" (1/1) ... [2020-07-17 21:59:31,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:31" (1/1) ... [2020-07-17 21:59:31,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 21:59:31,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 21:59:31,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 21:59:31,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 21:59:31,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:31" (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 [2020-07-17 21:59:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 21:59:31,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 21:59:31,815 INFO L138 BoogieDeclarations]: Found implementation of procedure f00 [2020-07-17 21:59:31,815 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 21:59:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 21:59:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure f00 [2020-07-17 21:59:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 21:59:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 21:59:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 21:59:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 21:59:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 21:59:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 21:59:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 21:59:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 21:59:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 21:59:32,092 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 21:59:32,092 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 21:59:32,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:59:32 BoogieIcfgContainer [2020-07-17 21:59:32,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 21:59:32,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 21:59:32,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 21:59:32,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 21:59:32,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 09:59:31" (1/3) ... [2020-07-17 21:59:32,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cadd32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:59:32, skipping insertion in model container [2020-07-17 21:59:32,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:31" (2/3) ... [2020-07-17 21:59:32,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cadd32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:59:32, skipping insertion in model container [2020-07-17 21:59:32,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:59:32" (3/3) ... [2020-07-17 21:59:32,116 INFO L109 eAbstractionObserver]: Analyzing ICFG float-zero-sum1.i [2020-07-17 21:59:32,134 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 21:59:32,141 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 21:59:32,154 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 21:59:32,172 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 21:59:32,173 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 21:59:32,173 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 21:59:32,173 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 21:59:32,173 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 21:59:32,173 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 21:59:32,173 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 21:59:32,173 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 21:59:32,191 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-07-17 21:59:32,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-17 21:59:32,196 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:59:32,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:59:32,197 INFO L427 AbstractCegarLoop]: === Iteration 1 === [f00Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:59:32,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:59:32,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1301757984, now seen corresponding path program 1 times [2020-07-17 21:59:32,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:59:32,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213498131] [2020-07-17 21:59:32,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:59:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:59:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:59:32,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 21:59:32,346 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.map(Model.java:227) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.add(ModelBuilder.java:123) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.fillInFunctions(ModelBuilder.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.(ModelBuilder.java:49) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.CClosure.fillInModel(CClosure.java:1312) at de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.(Model.java:120) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.buildModel(SMTInterpol.java:1139) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getValue(SMTInterpol.java:1004) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.getValues(SmtUtils.java:2102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.getValue(TraceCheck.java:407) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.lambda$0(TraceCheck.java:381) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecution(TraceCheck.java:390) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:349) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:96) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) 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) [2020-07-17 21:59:32,353 INFO L168 Benchmark]: Toolchain (without parser) took 1021.12 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 102.4 MB in the beginning and 148.7 MB in the end (delta: -46.2 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-07-17 21:59:32,354 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 21:59:32,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.13 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 102.0 MB in the beginning and 180.2 MB in the end (delta: -78.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2020-07-17 21:59:32,356 INFO L168 Benchmark]: Boogie Preprocessor took 35.01 ms. Allocated memory is still 201.9 MB. Free memory was 180.2 MB in the beginning and 177.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-07-17 21:59:32,357 INFO L168 Benchmark]: RCFGBuilder took 344.32 ms. Allocated memory is still 201.9 MB. Free memory was 177.9 MB in the beginning and 161.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2020-07-17 21:59:32,357 INFO L168 Benchmark]: TraceAbstraction took 249.00 ms. Allocated memory is still 201.9 MB. Free memory was 161.1 MB in the beginning and 148.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-07-17 21:59:32,362 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 386.13 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 102.0 MB in the beginning and 180.2 MB in the end (delta: -78.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.01 ms. Allocated memory is still 201.9 MB. Free memory was 180.2 MB in the beginning and 177.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 344.32 ms. Allocated memory is still 201.9 MB. Free memory was 177.9 MB in the beginning and 161.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 249.00 ms. Allocated memory is still 201.9 MB. Free memory was 161.1 MB in the beginning and 148.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.map(Model.java:227) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...